[sdiy] VCO waveform logic selection

jbv jbv.silences at club-internet.fr
Tue Sep 11 11:12:53 CEST 2007


Hi guys,

Let's say I have a vco module that outputs various waveforms at +-5V.
And I want to digitally select 1 of these ouputs to send it to the input

of another module. What is the best way to proceed ?

would some analog mux like the 4051 do, if its power supply is set
to +-7.5V ? If yes, how to handle logic selection signals, especially
if they're generated by 3V logic uC ?

Thanks in advance,
JB




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