[sdiy] Using both OTAs in 13700 as one OTA

[Tom Wiltshire]

So what's the advantage of that arrangement? Seems like the first stage is superfluous.

Thanks,
Tom

On 4 Feb 2016, at 13:51, Neil Johnson <neil.johnson71 at gmail.com> wrote:

> Hi Aaron,
> 
>> Suppose you only needed one OTA to be a VCA, and you have a 13700 handy, which has two OTAs in it.
> .
> .
> .
>> I was thinking this might help cancel out the control signal bleed through, and might also have some SNR advantages. Or, there could be disadvantages that would counteract those possible advantages.
> 
> If you're wanting to improve performance what about the Sims circuit:
> http://www.teaser.fr/~amajorel/sims/
> 
> Neil
> --
> http://www.njohnson.co.uk
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