[sdiy] Inverting an envelope?
tom at electricdruid.net
Sun May 22 11:14:00 CEST 2011
+1 for the inverting op-amp.
Neil's diagram is nice because:
1) It's got a bipolar attenuator too
2) It includes the other op-amp bleurg that you need, like caps for stability and power supply
3) It's got a 741 in it! Awww!
On 22 May 2011, at 09:02, Neil Johnson wrote:
> Paul Maddox wrote:
>> As Veronica Said, opamp with gain of -1.
> Like this:
> Synth DIY 2011 -- www.diy.synth.net/uk
> Homepage -- www.njohnson.co.uk
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