Radio System Toolbox/

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Your electronic radio systems design & simulation tool

Doubts? Read the documentation for information on
modelling, simulation, bibliography, examples...
More tools, blog & more

What is Radio System Toolbox?

Radio System Toolbox is a free online tool for electronic radio systems design & simulation.

Different features are available depending on Free or Premium subscription plans.

All cloud-based tool: always updated, no installation needed, share your projects within your organization.

Features

Extensive block library, including different built-in block models, third-party vendor models & capability to create your own blocks, based on Touchstone file (.sNp) or manual introduction.

Frequency Domain (FD) circuit analysis, calculating full circuit S-Parameters & cascaded performance (noise, non-linearity). Explore results online with per-stage and path performance, channel analysis (SNR, SNDR, Sensitivity...), static power analysis, etc.

Time Domain (TD) analysis (for Premium users only), including discrete-time processing over non-linear transfer functions. Choose from different excitations (CW, Two-tone, Multitone, OFDM, Pulsed...) and observe time & frequency response, stage by stage.

Multiple I/O possibilities including Touchstone files (sNp) of solved circuits and blocks, performance data in CSV format, and more.

All cloud-based solution: enjoy fast and scalable simulations with no minimum requirements, no installation, no licensing.

Block Library

Transmission lines: microstrip, coplanar waveguide (CPW), rectangular, circular, coaxial cables....
Including PCB substrates & commercial cable presets library.

Lumped element circuits: LC filters, attenuators, hybrids, matching networks...

Radio propagation: terrestrial and space free space loss

Commercial component library: increasing with vendor agreements.

Generic block models: gain block, splitter/combiner, short, open, loads....