>This boils down to: Is the schematic correct? If not, then what's right?God knows. No two of the bastards seem to be the same. Just build it as per
the PCB.
Ken
>_______________________________________________________________________
>Thanks,
>
>Richard
>
>On 1/1/13 3:24 PM, Richard Brewster wrote:
>> http://www.cgs.synth.net/modules/cgs113_vcm.html
>>
>> The third wave multiplier has one section where pin 8 of an LM3900 has a
>> 220K resistor coming from the input buffer. It is shown on the
>> schematic as having a feedback resistor to pin 9 of 1M, and an 820K to
>> minus V. I am confused about the values of those two resistors. The
>> board labels both as 1M. And the pictorial of the board shows in 820K
>> in RED as the feedback resistor. So the RED correction on the pictorial
>> is reverse of the schematic. So, which position gets the 820K and which
>> the 1M?
>>
>> Thanks,
>>
>> Richard Brewster
>> http://pugix.com
>>
>>
>
>
>
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>
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Ken Stone sasami@... otherunicorn@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
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