• GTEE19
    1
    Hi all,

    Long time fan, first time poster. Let me take the opportunity to thank everyone for this awesome site, I've learned a lot from here.

    I'm fresh out of school, where I was heavily bombarded with ADS usage. Unfortunately, my student license is about to run out and I'm looking for an alternative to use for work. I build power amplifiers @ approx 1 kW, filters, combiners, couplers etc. in the LF,HF, and VHF range. I do occasional transmission line design and need a good EM simulator to match.

    I'm looking at Keysight's Genesys; anyone have any thoughts on it? It seems like more of a system level (as opposed to a circuit level) tool, but I'm not sure. Any other realistic alternatives? Really looking for an alternative to the 100k price tag attached to ADS, especially since I don't do any MMIC/RFIC design.

    Thanks for your consideration!

    GTEE
  • UnknownEditor
    34
    Have you looked at Microwave Office with Axiem? I was forced to switch from ADS, nine years ago, now I don't want to go back. It may be cheaper; I don;t get involved with pricing.

    Does anyone have an opinion on what the best shareware is for a retired microwave engineer? Asking for a friend...

    Steve
  • DrBob
    1
    Free you say? Ah, well now...

    Although at work I'm spoiled by access to the like usual suspects, MWO, Axiem, Analyst, HFSS, Cadence Allegro etc there are a couple open-source GPL licensed tools that are worth a look:

    Qucs - does Spice-like things, S-parameter stuff, harmonic balance and a touch of ADS about some aspects of the interface: http://qucs.github.io/ - if you're not wanting to call up Modelithics libraries or foundry PDKs it's not bad.

    openEMS - EM solver based on FDTD, C++ solver back-end, Octave/Matlab front-end: http://openems.de/start/index.php - has some nice examples to get you going.

    If you're going completely 'off-grid' with your EDA tools, then there's at least one effort to make PCB footprints for the open-source PCB tool KiCad from openEMS simulation structures.

    I've used openEMS as yet-another-simulator-method to check something I had in HFSS. There is a bit of a learning curve but retired engineers have plenty of free time, right? ;)

    R.
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