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NI Multisim
DeveloperNational Instruments Electronics Workbench Group (formerly by Interactive Image Technologies)
Stable release
14.3 / 2022/04/28
Operating systemMicrosoft Windows
Size~260mb
Available inEnglish
TypeElectronic design automation
LicenseProprietary EULA
Websitewww.multisim.com

NI Multisim (formerly MultiSIM) is an electronic schematic capture and simulation program which is part of a suite of circuit design programs,[1] along with NI Ultiboard. Multisim is one of the few circuit design programs to employ the original Berkeley SPICE based software simulation.[2] Multisim was originally created by a company named Electronics Workbench Group, which is now a division of National Instruments. Multisim includes microcontroller simulation (formerly known as MultiMCU),[3] as well as integrated import and export features to the printed circuit board layout software in the suite, NI Ultiboard.[4]

Multisim is widely used in academia and industry for circuits education, electronic schematic design and SPICE simulation.[5]

History

[edit]

Multisim was originally called Electronics Workbench[6] and created by a company called Interactive Image Technologies.[7] At the time it was mainly used as an educational tool to teach electronics technician and electronics engineering programs in colleges and universities. National Instruments has maintained this educational legacy, with a specific version of Multisim with features developed for teaching electronics.[citation needed]

In 1999, Multisim was integrated with Ultiboard after the original company merged with Ultimate Technology, a PCB layout software company.[citation needed]

In 2005, Interactive Image Technologies was acquired by National Instruments[8] Electronics Workbench Group and Multisim was renamed to NI Multisim.[9]

Pricing

[edit]
Edition Price
Power Pro $4591
Full $2800
Base $1773
Education $628

See also

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

NI Multisim

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NI Multisim is an industry-standard simulation and circuit design software developed by (now part of Emerson) for , , and of analog, digital, and circuits, widely used in , research, and professional design environments. Originally stemming from the Electronics Workbench suite acquired by , Multisim integrates an intuitive with advanced -based capabilities to enable users to visualize, analyze, and validate circuit behavior in real time. It supports a vast database of over 55,000 components and models, including virtual instruments and community-shared circuits accessible via Multisim Live (scheduled for end-of-life on September 15, 2026), an online platform for collaborative design. Key features include interactive probing for signal analysis, automated layout transfer to NI Ultiboard for PCB design, and educational tools that abstract complexities to facilitate teaching circuit theory and improve student retention. In professional applications, it reduces prototyping iterations and development costs by allowing rapid circuit validation before physical . Available in editions tailored for and designers, Multisim operates on subscription or perpetual licenses, often bundled with maintenance services for ongoing updates and support.

Overview

Description

NI Multisim is an electronic and SPICE-based simulation program developed by for designing and analyzing circuits in analog, digital, and . It enables engineers, educators, and students to create virtual prototypes, perform simulations, and validate designs before physical implementation. At its core, Multisim utilizes the Berkeley SPICE simulation kernel, which provides accurate analysis of circuit behavior through industry-standard simulation techniques. This foundation supports a wide range of analyses, ensuring reliable results for complex electronic systems. The latest stable release is version 14.3, issued on May 15, 2025, which incorporates over 200 new components and models, including footprints and simulation data from leading semiconductor manufacturers. Multisim integrates with companion tools like NI Ultiboard for seamless transition to PCB layout and prototyping. It supports Windows operating systems exclusively and operates under a governed by an (EULA).

Editions

NI Multisim offers several editions designed to meet the needs of professional designers, researchers, and academic users, with functionalities scaling from basic circuit design to advanced simulations and educational tools. The professional editions—Base, Full, and Power Pro—are part of the Multisim for Designers suite, providing progressive levels of schematic capture, SPICE-based simulation, and component libraries. Academic editions, including Education and Student versions, prioritize accessibility for teaching and learning environments with tailored interfaces and resource integrations. The Base Edition targets entry-level users focused on fundamental , including core schematic capture and simulation with a library exceeding 48,000 manufacturer-verified components, four virtual instruments, and customizable graphical user interfaces, but without advanced analyses. Priced at $923 annually or $3,231 for a perpetual , it serves as an affordable for basic prototyping needs. Building on the Base, the Full Edition supports intermediate mixed-signal designs with added microcontroller functionality, 15 virtual instruments, 15 simulation analyses (such as AC and transient), and an expanded library of over 52,000 components, enabling more comprehensive validation workflows. It is available for $1,613 per year or $5,645 perpetually, differentiating itself through enhanced analysis expressions and rated component support for professional prototyping. The Power Pro Edition caters to advanced research in and complex circuits, incorporating specialized tools like the Op-Amp Wizard, RF Design Module with no part limits, 22 virtual instruments, 19 analyses, and the largest library of over 57,000 components, along with an automation API for scripting and debugging. At $2,388 annually or $8,357 for perpetual access, it stands out for its extensive model integration and support for high-fidelity simulations in demanding applications. The Designers Edition refers to the overarching professional suite, emphasizing rapid prototyping with over 47,000 verified components across variants, integration with Ultiboard for PCB layout, and subscription or perpetual licensing options suited for engineering teams. In contrast, the Education Edition is optimized for academic institutions, offering unlimited components, 30+ virtual instruments, 20+ analyses, over 54,000 components, and teaching-specific features like simplified interfaces and compatibility with Multisim Live (until its retirement on September 15, 2026) for online labs, available through volume licensing programs. The Student Edition, intended for individual learners, provides similar core tools but limits circuits to 50 components per design, over 41,000 components, and is accessible via academic subscriptions or trials at a reduced cost for students through authorized resellers. Key differentiators among editions lie in component library size, depth (e.g., number of analyses and RF capabilities), virtual instrumentation, and user focus: Base and Full for efficient entry, Power Pro for specialized , and Education/Student for pedagogical reinforcement without commercial restrictions.

History

Origins

NI Multisim originated from the efforts of Interactive Image Technologies Ltd., a company founded in 1983 by Joe Koenig in , , . The company rebranded to Electronics Workbench and developed its flagship software as a response to the need for accessible circuit simulation in academic environments, targeting students, educators, and hobbyists rather than professional industrial applications. By the mid-1990s, Electronics Workbench had gained traction in universities worldwide, with a student edition priced under $500 to promote widespread adoption in educational settings. The early versions of Electronics Workbench emphasized integration with the simulation engine to enable and basic analog circuit analysis, making complex electronics concepts approachable for non-experts in academic labs. Released around 1995, these initial iterations provided a virtual electronics workbench that simulated real-world components and behaviors without requiring physical hardware, prioritizing ease of use and pedagogical value over advanced industrial features. This proprietary development approach allowed for rapid iteration based on feedback from educational users, establishing Electronics Workbench as a high-volume (EDA) tool with over 110,000 users by the late . A pivotal milestone came in 1999 with the release of MultiSIM, the rebranded evolution of Electronics Workbench's and module, which further streamlined the for students and instructors. This version introduced enhanced graphical tools and simplified workflows tailored to classroom instruction, solidifying its role as an essential resource for electronics education while maintaining its roots in , user-centric design.

Acquisitions and Development

In 1999, Interactive Image Technologies, the developer of Multisim, merged with Ultimate Technology, a Dutch firm specializing in PCB layout software, to integrate advanced board design capabilities into its offerings and form the Electronics Workbench suite. This merger expanded the tool's functionality beyond schematic capture and simulation to include seamless PCB routing and layout, enhancing its utility for complete electronics workflows. The pivotal shift occurred in 2005 when (NI) acquired Electronics Workbench, incorporating Multisim into its broader ecosystem of test, measurement, and design tools. Following the acquisition, the software was rebranded as NI Multisim to align with NI's branding and integrate more closely with platforms like , facilitating data exchange and co-simulation in engineering environments. Post-acquisition, NI drove significant developmental milestones. Version 10, released in 2007, introduced enhanced support, including models for popular families like 8051 and PIC, enabling users to test embedded systems directly within the environment. By 2025, version 14.3 added over 200 new components, focusing on with updated footprints and models from leading manufacturers to address modern high-voltage and efficiency demands. In 2016, NI launched Multisim Live as a cloud-based platform for browser-accessible circuit simulation, allowing collaborative design and analysis without local installation. However, on , 2025, Digilent (managing the service under NI) announced its end-of-life, with access ceasing on September 15, 2026, to redirect resources toward desktop enhancements. In 2025, NI introduced subscription-based licensing for Multisim through its Software Service Agreements, providing ongoing updates, support, and access to new features in exchange for annual fees, alongside perpetual licenses, reflecting industry trends in software delivery.

Core Features

Schematic Capture

NI Multisim's schematic capture functionality provides an interactive environment for designing electronic circuits through an intuitive drag-and-drop interface, allowing users to place components, wires, and annotations directly onto virtual schematics or breadboards. Components are selected from extensive databases via the Components toolbar or browser, where a "ghost" image appears for dragging to the desired location, followed by a click to position it precisely. Wires are drawn by clicking and dragging between connection points, with automatic routing and junction creation to streamline the design process. This modeless approach enables seamless switching between placement modes without interrupting workflow, enhancing efficiency for both simple prototypes and complex designs. The software supports hierarchical design, facilitating the organization of large-scale circuits into multi-page schematics and reusable subcircuits. Users can create hierarchical blocks by defining subcircuits through the "Place Schematic - Hierarchical Block" tool, which encapsulates sections of the design for modular reuse and nested structures. Multi-page layouts use off-page connectors to link sheets, ensuring connectivity across the entire design while maintaining clarity; the full hierarchy can be printed or simulated as a unified entity. This feature is particularly useful for managing intricate systems, such as those involving RF or mixed-signal components sourced from built-in libraries. Annotation tools in Multisim enable precise labeling and signal tracking within schematics, including net labels, buses, and measurement probes. Net labels are applied via the Place > Net Label menu, assigning unique names to connections for easy identification and simulation referencing, with automatic prefixing in hierarchical contexts to avoid conflicts. Buses organize multiple signals efficiently using the Place > Bus tool, supporting vector ports and off-page entries for multi-bit data paths, while electrical rule checks verify bus integrity. Measurement probes, placed directly on wires or pins, monitor voltage, current, or frequency in real-time during interactive simulations, with options for static or reference modes to capture specific events. Virtual instruments are integrated seamlessly into the for on-the-fly probing and analysis, simulating real-world measurement tools without external hardware. Oscilloscopes, such as the dual-channel Agilent 54622D or four-channel TDS 2024 models, connect to nodes via probes to display waveforms, perform FFT analysis, and take automated measurements like or . Multimeters, including the Agilent 34401A, measure parameters like voltage, current, resistance, and when attached to circuit elements, providing immediate feedback during verification. These instruments trigger simulations directly from the , allowing iterative testing within the capture environment. Schematics created in Multisim can be exported in various formats to support , sharing, and further design workflows. Options include saving as high-resolution images (metafile or ) via the or , generating PDFs through the print functionality for professional reports, and transferring to CAD formats compatible with tools like Ultiboard, , or Mentor for layout progression. This export versatility ensures schematics remain editable and integrable across engineering pipelines.

Simulation Engine

NI Multisim employs a -based simulation engine derived from SPICE 3F5 kernel, enhanced with XSPICE for mixed-mode capabilities, enabling accurate modeling of analog and digital circuits. This kernel supports core analyses including transient analysis for time-domain responses, AC analysis for frequency-domain behavior, DC operating point and sweep analysis for steady-state conditions, and noise analysis for evaluating , shot, and contributions. The engine uses a modified Newton-Raphson to solve nonlinear circuit equations, with provisions for high-frequency effects up to approximately 100 MHz. The generation process in Multisim automatically converts diagrams into SPICE-compatible , representing circuit as text-based descriptions of nodes, components, and connections. Nets are assigned integer identifiers, with merging rules prioritizing lower-numbered nets in hierarchical or multi-page designs, and unique naming conventions (e.g., prefixed with instance labels like 'X1') to handle subcircuits. Users can export these for external tools or import models via subcircuit blocks, ensuring seamless integration while allowing manual adjustments for probes or virtual wiring. Built-in probe and analysis tools facilitate visualization and evaluation of simulation results, with the view providing customizable waveforms, Bode plots for , and support for simulations to assess variability from component tolerances. probes enable real-time voltage, current, and frequency monitoring during interactive simulations, while virtual instruments such as oscilloscopes and network analyzers offer dynamic graphing with features like zooming, cursors, and logarithmic scales. Post-simulation processing includes data export to formats like .lvm or .tdm for further analysis in tools such as Excel. Convergence aids in the include iterative solvers with adjustable tolerances, such as RELTOL (default 0.001) for relative and GMIN stepping to handle near-zero conductances in nonlinear circuits. The Convergence Assistant automates parameter tweaks, like switching to the Gear integration method or increasing limits (ITL1 up to 500), and supports source stepping for stabilization. Parameter sweeps allow systematic variation of component values to explore design sensitivity without manual reconfiguration. Error handling features provide diagnostics for common simulation failures, including an log that records issues like singular matrices, timestep-too-small errors, or floating nodes in the netlist. The Electrical Rules Check (ERC) tool flags potential problems such as unconnected pins with visual markers and customizable severity levels, while specific error messages guide , such as adding initial conditions via NODESET for non-convergent DC analyses. These mechanisms ensure reliable execution, with the engine defaulting to 3F5 compatibility modes for legacy models.

Components and Libraries

Built-in Databases

NI Multisim includes built-in databases comprising over 55,000 manufacturer-verified components, developed in collaboration with leading semiconductor partners such as , , Infineon, NXP, ON Semiconductor, and . These databases provide a comprehensive repository for , ensuring access to reliable models without requiring external sourcing. The components span a wide array of electronic elements essential for analog, digital, and mixed-signal simulations. The libraries are systematically categorized to facilitate organization and retrieval, including groups for resistors (with variable types like potentiometers and packs), operational amplifiers (encompassing ideal, real, and rated variants), transistors (such as BJTs, MOSFETs, JFETs, and IGBTs), and integrated circuits (ICs) like TTL, , and mixed-signal devices. Each entry integrates SPICE-compatible models for accurate behavioral representation and associated PCB footprints for seamless transition to layout design. This structure supports diverse applications by embedding detailed parameters, such as tolerance values and truth tables for digital ICs, directly within the database. Verification of these built-in models is handled through a rigorous process where NI curates the entries and collaborates with manufacturers to validate them against official datasheets, confirming fidelity to real-world characteristics. This manufacturer-backed assurance minimizes discrepancies in circuit analysis, with components tested across operating conditions like DC, AC, and transient responses. Database updates occur annually to incorporate , with the 2025 release of Multisim 14.3 adding 226 new verified models focused on semiconductors, including 27 operational amplifiers, 11 N-channel power MOSFETs, and 160 voltage monitors. These enhancements ensure the libraries remain current with industry advancements in and . Component selection is streamlined via an intuitive search and filter interface accessible through the Place > Component , enabling users to query by part number (with wildcard support, e.g., "555"), manufacturer, functionality (e.g., "Red LED"), group, or family for rapid identification and placement in schematics. This tool enhances efficiency while leveraging the verified built-in resources.

Model Integration

NI Multisim allows users to extend its simulation capabilities by importing third-party models in various formats, including .MODEL statements for primitive devices like diodes and transistors, .SUBCKT definitions for subcircuits, and encrypted models for proprietary components. These models can be loaded directly via the Component Wizard or the Edit Model dialog in the component properties, where users specify the model file path and map pins to nodes. For encrypted formats, Multisim supports compatibility modes to handle vendor-specific encryptions without decryption. To incorporate these models into schematics, Multisim provides the Component Wizard for generating custom symbols and the Symbol Editor for drawing or modifying graphical representations, followed by association in the Model tab of the component properties. Users define pin mappings between the symbol and the simulation model to ensure accurate connectivity during , with options to select analog, digital, or mixed-mode configurations. This process enables seamless integration of custom components into existing designs, building on the built-in libraries as a foundation. Multisim facilitates direct import of models from vendor tools such as PSpice, supporting PSpice netlists (.cir or .dsn files) and parameters through dedicated compatibility syntax like .SYNTAX PS. LTspice models, being standard SPICE-compatible, can also be imported similarly via the .SUBCKT or .MODEL formats without additional conversion. Before simulation, Multisim includes validation tools such as the Electrical Rules Checking (ERC) to verify wiring and pin connections, the Check Symbol feature to detect issues like duplicate pins, and the Model Data Report to inspect parameter consistency and syntax. These checks help identify errors in model syntax or inconsistencies early, preventing simulation failures. For example, users can add behavioral models for proprietary integrated circuits (ICs) by pasting SPICE subcircuit code into the model editor, enabling accurate representation of complex analog behaviors. In digital designs, VHDL code can be integrated for custom logic parts, such as defining an entity for a quiz show controller, which associates with a symbol for mixed-signal simulation.

Simulation Capabilities

Analog and Power Simulation

NI Multisim provides comprehensive tools for simulating analog circuits, leveraging a SPICE-based engine to perform detailed analyses of continuous-domain behaviors. These capabilities allow users to model and verify the performance of linear and nonlinear analog components under various operating conditions, ensuring accurate prediction of circuit responses before physical prototyping. The software supports three primary analog analyses: DC operating point, AC frequency response, and transient time-domain simulations. DC operating point analysis determines the steady-state voltages and currents in a circuit, treating AC sources as zero, capacitors as open circuits, and inductors as shorts; it employs the modified Newton-Raphson method with techniques like Gmin stepping for convergence. AC frequency response evaluates small-signal linear behavior around the DC operating point, generating Bode plots or Nyquist diagrams to assess gain, phase, and stability across frequencies, with configurable sweep parameters such as start/stop frequencies and points per . Transient simulations model time-varying responses to input stimuli, using to solve differential equations over a specified time interval, with options for initial conditions and maximum time steps to control accuracy and speed. For , Multisim includes specialized features to handle high-voltage and high-power scenarios. It supports high-voltage models for components like MOSFETs, IGBTs, SCRs, and from manufacturers such as Infineon and , with over 500 configurable models offering up to three complexity levels for precise switching behavior. is available through editable parameters like thermal resistance (in °C/W) for devices such as IGBTs and MOSFETs, enabling evaluation of switching and conduction losses in circuits like buck converters and three-phase inverters. Efficiency calculations for switched-mode power supplies (SMPS) are facilitated by model makers that generate subcircuits for topologies like boost and buck converters, allowing transient simulations to quantify losses and overall efficiency. Basic equations underpin these simulations, such as for resistors, expressed as i=VRi = \frac{V}{R}, where ii is current, VV is voltage, and RR is resistance. For operational amplifiers, the ideal model derivation assumes infinite and gain, yielding closed-loop gain ACL=RfRinA_{CL} = \frac{R_f}{R_{in}} in inverting configurations, with bandwidth limited by the gain-bandwidth product GBW=A0⋅fTGBW = A_0 \cdot f_T, where A0A_0 is and fTf_T is the unity-gain frequency. Probe tools in Multisim enable visualization and post-processing of analog and power simulation results. Voltage and current probes capture waveforms during transient runs, while the instrument—modeled after devices like the Agilent 54622D—provides multi-channel viewing with built-in measurements for , RMS, and . For power circuits, FFT analysis via the or grapher tool performs harmonic decomposition, identifying distortion in SMPS outputs; for instance, it computes the from time-domain data using the . These features find application in key analog and power design tasks. In , AC analysis combined with the Filter Wizard optimizes passband ripple and for active filters. stability is assessed using Bode plotter tools to check phase margins and gain margins, preventing oscillations in feedback systems. Power supply ripple simulation employs transient to quantify output voltage fluctuations in regulators, aiding in the selection of capacitors for noise suppression. Multisim's engine supports these by integrating component models from built-in databases.

Digital and Mixed-Signal Simulation

NI Multisim supports digital simulation through an event-driven XSPICE engine, enabling efficient analysis of discrete logic behaviors without the computational overhead of full analog simulation. This approach models components such as TTL and logic gates, flip-flops, and other digital primitives prefixed with "d_" (e.g., d_inverter), allowing users to configure simulations in either "Ideal" mode for fast, power-agnostic runs or "Real" mode for accurate voltage-level interactions requiring defined power rails like VCC and GND. Timing analysis and detection are integrated features, capturing propagation delays and transient anomalies in digital signals to verify circuit performance under varying conditions. For mixed-signal circuits, Multisim employs automatic bridge interfaces to connect analog and digital domains, using for continuous analog signals and XSPICE for event-driven digital processing. ADC and DAC interfaces are modeled via primitive bridges (adc_bridge and dac_bridge), which translate voltage levels to digital states (e.g., mapping analog inputs below 2.5 V to LOW and above to HIGH) and vice versa, with configurable thresholds for realistic interfacing in systems like sensor-to-logic converters. This cosimulation framework supports state-machine verification by simulating finite state transitions in digital blocks, often combined with HDL models for complex behaviors, while propagation are calculated based on component models to ensure timing closure in clocked systems. Microcontroller support in Multisim facilitates in-circuit simulation for families including PIC (e.g., PIC16F series), AVR, and 8051 variants through the optional MCU Module, which integrates co-simulation with embedded code execution. Users can upload compiled (e.g., from or assembly sources) directly into the simulator for real-time interaction with surrounding circuitry, enabling debugging features like breakpoint setting, register inspection, and peripheral emulation without physical hardware. This setup allows verification of microcontroller-driven digital systems, such as interrupt handling or I/O interfacing, in a mixed-signal context. To aid digital verification, Multisim includes simulation-driven tools like the Logic Analyzer probe, which monitors up to 16 digital signals with customizable triggering, internal/external clocks, and glitch capture for detailed timing diagrams. Additionally, the Logic Converter instrument generates truth tables from up to eight inputs, supporting evaluation and Quine-McCluskey minimization to simplify and validate logic chains in gates or flip-flop arrays. These tools enhance conceptual understanding of digital and mixed-signal interactions by providing visual and tabular outputs directly tied to simulation results.

Integration and Compatibility

PCB Layout Tools

NI Multisim integrates seamlessly with NI Ultiboard for PCB layout, enabling designers to transition from and to physical board design without manual data re-entry. This integration facilitates the automatic transfer of schematics, netlists, and component placements through forward annotation, a process that exports design data via an .ewnet file to populate the Ultiboard environment with pre-placed components and connectivity information. The typical workflow begins with and validation in Multisim, followed by transfer to Ultiboard for and layout optimization. Once in Ultiboard, changes such as pin swaps can be propagated back to the Multisim schematic via back annotation, ensuring synchronization and refinement. This bidirectional annotation maintains consistency between the model and the physical layout, reducing errors in complex mixed-signal boards. Bill of materials (BOM) generation occurs in both tools, with Multisim producing reports that list component quantities, descriptions, reference designators, packages, and user-defined fields like cost or supplier details, which can be exported in text, Excel, or printable formats. Synchronization ensures that BOM updates in Ultiboard—such as after layout adjustments—reflect back to Multisim, supporting accurate and preparation. Post-transfer, Ultiboard performs design rule checks (DRC) to verify manufacturability, including clearance violations, trace widths, connectivity, and placement issues, with real-time monitoring and manual runs available to flag errors before fabrication. These checks help ensure compliance with industry standards like IPC-7351 for land patterns. Multisim and Ultiboard share footprint libraries containing thousands of verified land patterns aligned with simulation models, allowing direct mapping of schematic symbols to physical packages for reliable transfer. These libraries support IPC-compliant designs and include options for custom footprints via the Database Manager or Part Wizard.

External Software and Hardware

NI Multisim facilitates interoperability with third-party (EDA) tools through and import of standard formats, enabling seamless transfer of designs for further processing. Users can connectivity in a standard text format from Multisim (via Transfer > to PCB Layout), which can then be imported into third-party tools such as , Eagle, or to support PCB layout, though manual adjustments for pin mapping and component libraries may be required. generated in Multisim can be utilized for co-simulation in / environments via the Simscape Electrical toolbox, allowing integration of circuit-level models with system-level behavioral simulations. Hardware integration in Multisim extends simulation capabilities to physical prototyping through compatibility with NI's Educational Laboratory Virtual Instrumentation Suite (ELVIS) platforms, which bridge virtual circuit designs to real-world hardware for hands-on validation and experimentation. This integration supports virtual-to-real transitions, such as loading simulated circuits directly into ELVIS soft front panels for measurement and control using built-in instruments like oscilloscopes and function generators. Furthermore, Multisim connects with NI (DAQ) devices via the NI-DAQmx driver, enabling real-time data capture and feedback loops during hybrid testing scenarios. The software provides support through the Multisim API Toolkit, which offers over 120 functions for automating circuit simulations, , and configurations directly from LabVIEW graphical programs. This scripting capability allows engineers to programmatically control simulation runs, extract results, and integrate Multisim workflows into larger automated design verification processes without manual intervention. For , models can be incorporated after conversion to SPICE-compatible formats, supporting of I/O buffers in mixed-signal simulations. In practical use cases, Multisim enables hybrid simulations by exporting digital logic designs, such as those created with (PLD) components, directly to FPGA tools like for implementation and verification, combining analog/digital with (HDL) synthesis.

Applications

Educational Use

NI Multisim plays a significant role in education by providing tools tailored for students to explore and . The Student Edition features simplified menus that reduce interface complexity, making it accessible for beginners, along with guided tutorials that walk users through fundamental concepts step-by-step. Additionally, quiz modes enable interactive circuit troubleshooting exercises, where students diagnose faults in simulated designs to reinforce practical skills. A key educational resource is Multisim Live, which hosts a community database of over 30,000 circuits shared by users for and inspiration; however, the platform is scheduled for end-of-life on September 15, 2026. Users are encouraged to transition to the NI Circuit Design Suite (Multisim Desktop) for deeper capabilities and long-term support. This online tool allows students to access, modify, and these circuits from anywhere, fostering knowledge exchange in classroom settings. Multisim integrates seamlessly with educational curricula through pre-designed labs that cover core topics such as Kirchhoff's laws for analyzing current and voltage in circuits, op-amp configurations for signal processing, and digital logic gates for operations. These labs provide structured experiments that bridge theoretical principles with hands-on simulation, helping students verify concepts like or gain without physical hardware. For accessibility, Multisim includes pre-built experiments optimized for remote learning environments, enabling instructors to assign virtual labs that students can complete independently. Multisim Live further supports this by being compatible with tablets and other mobile devices, allowing simulations on the go and accommodating diverse learning needs in hybrid or online courses. The software is widely adopted in universities worldwide, as evidenced by its inclusion in academic programs across analog, digital, and courses. This adoption underscores Multisim's effectiveness in enhancing student comprehension and preparing them for real-world applications.

Professional Design and Research

NI Multisim plays a pivotal role in professional and research by enabling virtual testing that minimizes the need for physical prototypes, thereby reducing development costs and iteration cycles. Engineers use its SPICE-based simulation environment to validate designs early, identifying potential issues such as thermal stresses or problems before committing to hardware fabrication. This approach streamlines workflows by limiting physical builds to only the most refined iterations. In , Multisim's advanced analysis tools support in-depth circuit optimization and variability assessment. The analysis simulates statistical variations in component tolerances to predict circuit reliability under real-world manufacturing discrepancies, while quantifies how changes in individual parameters impact overall performance, aiding in targeted design refinements. These features, available in the Power Pro edition, encompass 19 total analyses, including nested sweeps for multi-variable exploration, allowing researchers to model complex behaviors without extensive hardware experimentation. Multisim finds extensive application in industry-specific scenarios, such as design, where its database of over 500 configurable models—including MOSFETs, IGBTs, and transformers—facilitates of switched-mode power supplies (SMPS), inverters, and regulators. For RF circuit development, the RF Design Module provides essential tools for analyzing , S-parameters, and noise figures in high-frequency systems. In verification, co- with integrates C-code controllers, as demonstrated in designs, enabling validation of control algorithms alongside power circuitry before deployment on FPGAs or microcontrollers. To support team-based environments, Multisim incorporates collaboration tools like Snippets, which embed circuit files within shareable images for easy drag-and-drop transfer between users, facilitating project sharing without complex file management. This, combined with variant support and customizable bills of materials in the editions, enables and cross-probing with layout tools like Ultiboard. Overall, these capabilities accelerate time-to-market by ensuring designs are thoroughly verified virtually, reducing errors in fabrication and enhancing product reliability in competitive R&D cycles.

Pricing and Licensing

NI Multisim desktop software does not offer a full free version available for download. A limited component evaluation edition known as the NI Multisim Analog Devices Edition was released in 2007 through a collaboration with Analog Devices, allowing users to evaluate performance of Analog Devices components within a restricted version of the software. This edition is now archived and no longer available for download. The only currently available free option is the Basic tier of the cloud-based Multisim Live platform, which includes significant limitations on components, circuits, and simulation capabilities and is scheduled for shutdown on September 15, 2026. Full desktop functionality requires licensing via perpetual or subscription models.

Perpetual Licenses

NI Multisim offers perpetual licenses as a one-time purchase option, providing lifetime access to the specific version acquired without mandatory recurring fees. These licenses are available in various editions tailored to different user needs, such as the Base edition priced at $3,231, the Full edition at $5,645, and the Professional edition at $8,357 (as of November 2025). This model ensures indefinite usability of the software on the licensed machine, making it ideal for users seeking stable, long-term deployment in environments where frequent updates are not required. Each perpetual license includes a one-year NI software service agreement, which grants access to updates, maintenance releases, and during that period. After the initial year, the service agreement is renewable annually at 25% of the perpetual license's list price if renewed on time, with late fees applying otherwise; renewal is optional and does not affect the core software's operation. For advancing to newer versions after the service agreement expires, users can pursue upgrade paths through NI, which may include trade-in discounts on new perpetual licenses for existing holders. However, perpetual licenses come with restrictions, including no access to cloud-based features like Multisim Live, which requires a separate subscription, and binding to the original hardware or user account, preventing easy transfer across continents or machines without NI approval. Upon end-of-life for a version, no further updates are available, emphasizing the model's suitability for consistent, non-evolving workflows.

Subscription Models

NI Multisim provides subscription licenses for its desktop editions as well as through the cloud-based Multisim Live platform. Desktop subscriptions offer annual access to the latest versions of Base ($923), Full ($1,613), and Professional ($2,388) editions (as of November 2025), including updates and support. For Multisim Live, subscriptions cater to individual users, students, and short-term needs, with tiered pricing: Basic (free, limited to 5 components and 4 circuits), Standard ($2.99/month or $29.99/year, up to 15 components and 10 circuits), and Premium ($9.99/month or $99.99/year, unlimited components and circuits, advanced simulations including transient, AC sweep, and parameter sweep, plus over 5,000 manufacturer-verified components). The Premium plan ensures continuous access to all updates and features until the end of life for Multisim Live, scheduled for September 15, 2026. All subscriptions grant continuous access to the latest versions, including ongoing updates like those in recent releases, priority technical support during business hours, and integration with NI community resources for collaboration and learning. For scalability, multi-user licenses support team environments, such as classrooms or small groups, with volume discounts available upon request to accommodate multiple activations under a single plan. Subscription models offer advantages like lower upfront costs relative to perpetual licenses, automatic inclusion of upgrades and maintenance releases, and access to prior versions, though they require an internet connection for license validation and activation.

References

  1. https://www.ni.com/en/shop/electronic-test-instrumentation/application-software-for-electronic-test-and-instrumentation-category/what-is-multisim.html
  2. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YH7MCAW
  3. https://www.ni.com/en/support/documentation/supplemental/15/new-and-updated-multisim-database-components-and-models.html
  4. https://www.ni.com/en/support/documentation/supplemental/10/ni-multisim-and-ultiboard-academic-features.html
  5. https://www.ni.com/en/shop/electronic-test-instrumentation/application-software-for-electronic-test-and-instrumentation-category/what-is-multisim/multisim-designers/select-edition.html
  6. https://www.ni.com/en/support/downloads/software-products/download.multisim.html
  7. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YG0eCAG
  8. https://www.physics.wisc.edu/courses/home/spring2021/623/MultiSim_docs/NI-Multisim_manual.pdf
  9. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z0000019QhDSAU
  10. https://www.ni.com/en/shop/electronic-test-instrumentation/application-software-for-electronic-test-and-instrumentation-category/what-is-multisim/multisim-education.html
  11. https://www.ni.com/en/support/documentation/supplemental/12/ni-multisim-and-ni-ultiboard-professional-product-features.html
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  13. https://www.ni.com/en/shop/electronic-test-instrumentation/application-software-for-electronic-test-and-instrumentation-category/what-is-multisim/multisim-designers.html
  14. https://www.ni.com/en/support/documentation/supplemental/17/compare-circuit-design-suite-education-editions.html
  15. https://forum.digilent.com/topic/32903-multisim-live-is-retiring-%E2%80%93-here%E2%80%99s-what-you-need-to-know%C2%A0/
  16. https://www.ni.com/en/shop/academic-volume-license/included-software.html
  17. https://www.studica.com/national-instruments/ni-circuit-design-suite-student-edition-download
  18. http://individual.utoronto.ca/roybryant/rbryant/Roy_Bryant_files/Roy_Bryant_CV.pdf
  19. https://www.eetimes.com/electronics-workbench-steps-forward-with-new-name-acquisition/
  20. https://www.eetimes.com/interactive-image-technologies-announces-electronics-workbench-eda-for-mixed-signal-circuit-simulation/
  21. https://archive.org/details/electronicsworkb0000unse
  22. https://pcdandf.com/pcdesign/index.php/menu-research/pcb-design-history/7736-pcb-design-industry-timeline?showall=&start=6
  23. https://www.eetimes.com/acquisition-brings-multisim-tool-to-ni/
  24. https://www.automation.com/article/national-instruments-acquires-design-automation-co
  25. https://www.ni.com/pdf/manuals/374478a.pdf
  26. https://www.youtube.com/watch?v=za_Vuc4cMdA
  27. https://support.digilent.com/hc/en-us/articles/41178584173979-Multisim-Live-EOL-Letter
  28. https://forums.ni.com/t5/Multisim-and-Ultiboard/Subscription-and-Perpetual-Licenses-Now-Available/td-p/4424675
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  30. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YH7MCAW&l=en-US
  31. https://www.ni.com/en/shop/electronic-test-instrumentation/application-software-for-electronic-test-and-instrumentation-category/what-is-multisim/spice-simulation-fundamentals/spice-simulation-overview.html
  32. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YG0ACAW
  33. https://www.ni.com/en/shop/electronic-test-instrumentation/application-software-for-electronic-test-and-instrumentation-category/what-is-multisim/multisim-designers/how-do-i-use-multisim-to-perform-advanced-analysis-on-my-circuit-design.html
  34. https://docs-be.ni.com/bundle/374845a/raw/resource/enus/374845a.pdf
  35. https://download.ni.com/support/manuals/374485a.pdf
  36. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YILPCA4
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  39. https://www.ni.com/en/shop/electronic-test-instrumentation/application-software-for-electronic-test-and-instrumentation-category/what-is-multisim/power-electronics-design-with-ni-multisim.html
  40. https://www.ni.com/en/support/documentation/supplemental/07/simulation-fundamentals--cosimulation-in-ni-multisim.html
  41. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YG5UCAW
  42. https://download.ni.com/support/manuals/374488e.pdf
  43. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YGBmCAO
  44. https://electronics.stackexchange.com/questions/103951/converting-a-circuit-from-multisim-into-a-pcb
  45. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q0000019fXwCAI
  46. https://forums.ni.com/t5/Power-Electronics-Development/Example-of-Embedded-C-Code-Integration-in-a-Multisim-Power/td-p/3422540
  47. https://knowledge.ni.com/KnowledgeArticleDetails?id=kA03q000000YG5jCAG
  48. https://www.ni.com/en/support/documentation/supplemental/10/archived--ni-multisim--analog-devices-components.html
  49. https://www.ni.com/en/shop/software-portfolio/understanding-ni-software-policies.html
  50. https://www.ni.com/en/shop/services/software/software-license-programs.html
  51. https://www.datatec.eu/media/73/4b/76/1700034527/NI-Software-Abo-FAQ_EN.pdf
  52. https://www.ni.com/en/support/software-product-life-cycle-policies.html
  53. https://www.multisim.com/pricing/
  54. https://digilent.com/shop/ni-software/
  55. https://www.multisim.com/premium/
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