[sdiy] CA3080 Spice model

[mark verbos]

this is good practice for when they discontinue the OTA in a couple 
years. ;)

Happy Harry wrote:

> You can make a very good model by drawing the
> schematic using discrete transistors... I used
> 2N3904 and 2N3906...
>
> The secret is you have to use the Base-Emitter
> junction of these transistors as the diodes shown
> in the data sheet schematic...
>
> H^) harry
>
>
>> From: Fortner Florian <florian.fortner at fh-joanneum.at>
>> To: "'synth-diy at dropmix.xs4all.nl'" <synth-diy at dropmix.xs4all.nl>
>> Subject: [sdiy] CA3080 Spice model
>> Date: Fri, 26 Apr 2002 17:00:07 +0200
>>
>> Hi list,
>>
>> Today I installed the famous Orcad PSpice to try out my circuits before
>> building. To get familiar with the program I wanted to simulate a VCA 
>> based
>> on a CA3080 OTA design, but I didn't find it in the libraries. So I 
>> ask you:
>> Is there no 3080 in the libraries of this (if you buy a fullversion, very
>> expensive program), or am I to dumb to find this part??
>> I already searched the web and the Orcad homepage, but without 
>> success. So
>> if someone could tell me where I can get it from, I would be very 
>> happy :-)
>>
>>
>>
>> regards,
>>
>> flo
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