[sdiy] help getting VCO levels down to MN32XX BBD size

[cheater cheater]

Too much?
I'd say too little. You need at least 500x gain and asym foldback for
'the sound'.


On Sun, Sep 13, 2009 at 1:02 PM, Antti Huovilainen <ajhuovil at cc.hut.fi> wrote:
> On Sun, 13 Sep 2009, Dan Snazelle wrote:
>
>> but i am trying to interface with specific chip.
>>
>> SO i thought about it and tried changing the ratio to something radical.
>>
>> i found that i needed a 200 to 1 reduction!!
>
> Watch out with the post chip amplifier. 200x gain is rather too much for a
> typical 3 MHz GBW opamp. You might be better off doing it in two stages (say
> 10x and 20x).
>
> Antti
>
> "No boom today. Boom tomorrow. There's always a boom tomorrow"
>  -- Lt. Cmdr. Ivanova
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>