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HDL source code for NPN & PNP transostors (Read 3162 times)
loumbut5
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Posts: 6
Kenya
HDL source code for NPN & PNP transostors
Dec 05
th
, 2015, 12:15pm
Hi, does anyone know where I can get verilog/vhdl source code for NPN and PNP transistors?
I am specifically looking for a design where the current can flow in both directions i.e. the collector and emitter can switch places if the flow of current requires it.
The best example of what I mean comes from the NPN, PNP models in Circuit Simulator v1.5n
Thanks for your help.
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loumbut5
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Kenya
Re: HDL source code for NPN & PNP transostors
Reply #1 -
Dec 6
th
, 2015, 3:57am
Hi, I managed to decompile the jar file Circuit Simulator v1.5n in order to get the source codes for the NPN, PNP transistors. I then converted the code to C++ which I then intend to convert to HDL to see if it will suit my purposes. Anyway I have attached the resulting C++ source code and am asking if the code when converted to HDL will have the characteristics I require. Any help is highly appreciated.
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C_codes.zip
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Geoffrey_Coram
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Posts: 1998
Massachusetts, USA
Re: HDL source code for NPN & PNP transostors
Reply #2 -
Jan 5
th
, 2016, 6:32am
There are Verilog-A descriptions of a few standard BJT models (Hicum, Mextram, VBIC) available on the web, and they are open source.
If you're looking for basic Gummel-Poon, I don't know if there's an open-source version available.
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If at first you do succeed, STOP, raise your standards, and stop wasting your time.
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