SOFTWARE
L-Band Synthesiser
As described in the June-2006 Scatterpoint, software for the 'Simple and Cheerful L Band Synthesiser' is here
Download SynthMdlPic.zip
Circuit Tools & Simulation
Avago Appcad
Free utility from Avago (formerly Agilent) covering Transmission lines, Transistor Parameters, cascaded noise etc. Its not ADS, but its free!
Download Link - 14MB
TXLine - Transmission Line Calculator
This free software from AWR analyses/synthesises microwave transmission lines
for microstrip, stripline, coplanar and slotline.
Download v1.1 Here, or Newer 2003 Version
RFSim99 - Microwave Circuit Simulator
This free shareware from HyDesign can perform linear S-parameter simulation, tolerance analysis, stability circles, matching, tuning and filter design.
Download v1.05 Here - 2MB
QUCS - Circuit Simulator
Quite Universal Circuit Simulator is an Open Source circuit simulator for Windows, Mac and Linux with schematic capture,
s-parameters, flexible graphing.
Download Link
LTSpice
Free Spice-based simulator and other tools from Analog Deices (formerly Linear Technology) with full schematic entry, libraries, custom symbols etc.
Download Link ~5MB
Analog Devices
Free tools for DDS, rf calculators etc.
Download Link
EM Solvers
Sonnet Lite
Sonnet Lite is a free, limited capacity, version of a professional EM Solver for microstrip and stripline design.
Download Link
Ansys HFSS
A student version of the Ansys Electronics/HFSS 3D EM Solver suite - the High Frequncy Stucture Simulator
Download Link
CST Student Edition
A free though restricted version of the CST Electromagnetics suite
Download Link
Feko Student Edition
Feko Student Edition (with Winprop) is a free, limited capacity, version of a professional EM Solver for Antenna design.
Download Link
Miscellaneous Utilities
Super Filter design program called "LC" or "Elsie"
This very useful program from Jim Tonne WB6BLD has a free version,
and his website has other handy utilities.
ELSIE Link
AADE Filter Design
Free lumped/crystal filter design and analysis - archived copy:
Mirror site
G4JNT Software Archive
Courtesy of Andy Talbot G4JNT, useful Beacon and other Software utilities.
Download Link
Paul Wade W1GHZ (ex N1BWT) "On-line Microwave Antenna Book"
This large and thorough work is split into sections for easy downloading.
Link to table of contents of the "Microwave Antenna Book"
28-Dec-2021