[sdiy] PV-1 Pitch-Voltage Converter

[cacofone]

Anyone tell me more on the EFM site and products?

Joshua

At 8/23/2001 06:48 PM, you wrote:
>Hi List,
>Just wanted to mention that I have recently built one of Harry's PV-1
>pitch-voltage converter boards (available from EFM), and it works
>nicely. As a test, I set the Jupiter-8 to monophonic mode, fed the JP-8
>output into the PV-1, whose output in turn controlled the frequency of a
>cloned Moog Prodigy VCO. Got tight tracking over 5 octaves (length of
>JP-8 kbd). As the converter works by measuring the instantaneous period
>of the input waveform (rather than being a simple tachometer-type
>circuit) it also follows rapid pitch changes - portamento, LFO mode
>quite well. Harry was quite helpful with "technical support".
>Mike

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