[sdiy] Difficult 2164 behaviour between different sections.

[Tom Bugs]

Thanks all.

Beefing up the 0V is something I tried on another point of the circuit, 
but I don't think I tried it on the 0V pin itself - good point!

I will try Rbias some more for sure.

And agree with many of the points from David - it has been an eye opener 
& I will have a few more deep sessions with it.

I'll report back..

Cheers - Tom


On 30/05/2018 19:41, David G Dixon wrote:
> That's an excellent idea.  I was thinking something similar, because if
> there is any external impedance at that pin, then those control inputs are
> going to interact because of those internal 5k impedances.  That's probably
> the issue -- your ground isn't really ground.
>
>> -----Original Message-----
>> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On
>> Behalf Of Oakley Sound
>> Sent: Wednesday, May 30, 2018 9:11 AM
>> To: Synth DIY
>> Subject: Re: [sdiy] Difficult 2164 behaviour between
>> different sections.
>>
>> It could well be internal to the 2164 but have you tried
>> lowering the the resistance to the 0V pin? Temporarily cludge
>> a ruddy big wire from the PSU's 0V directly to pin 8, in
>> parallel with what you've already got on the board, and see
>> what happens.
>>
>> Tony
>>
>> www.oakleysound.com
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