ODP: AC-coupling of pulse wave?

[Hallgeir Helland]

jorgen.bergfors at idg.se wrote:
> 
> >Add pulse wave and the PW voltage in such amount
> and polarity, so DC will cancel in PWM output.
> 
> Yes of course! This must be the solution! Why haven't anybody thought of it before? Well, maybe they have. But I haven't seen it before, at least.
> Thanks a lot for the idea Roman!

I think this was done in the CEM 3394 VC synth voice chip.
But mr.Sowa's circuit is nice.


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 Hallgeir Helland       hhelland at usa.net      
    Evlogia           http://fly.to/evlogia   
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