[sdiy] LM13700 as VC resistor

Didier Leplae didierleplae at yahoo.com
Sun Feb 9 02:54:52 CET 2020


Ahh, thanks 🙏 

> On Feb 8, 2020, at 7:48 PM, Pete Hartman <pete.hartman at gmail.com> wrote:
> 
> 
> 
> 
>> On Sat, Feb 8, 2020 at 7:26 PM Didier Leplae via Synth-diy <synth-diy at synth-diy.org> wrote:
>> René,
>> Sorry for my ignorance, but when you say “ Use Iabc to get gm (19.2*Iabc = gm), and the rest should be easy.”
>> 
>> What is “labc”?
> 
> Iabc is the control current on the OTA.  You'll see it in the LM13700 and other OTA datasheets.  "ABC" stands for "Amp Bias Current".
> 
> Pete 
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