[sdiy] VCO waveform logic selection

Michael Ruberto frankentron at hotmail.com
Tue Sep 11 15:02:31 CEST 2007


You could try a better device for starters. Get samples of the ADG333 from 
Analog Devices. They handle signal levels up to the supply rails and have 
2.4V HI level digital inputs.

M. A. Ruberto

>From: jbv <jbv.silences at club-internet.fr>
>To: synth-diy at dropmix.xs4all.nl
>Subject: [sdiy] VCO waveform logic selection
>Date: Tue, 11 Sep 2007 11:12:53 +0200
>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,
>Synth-diy mailing list
>Synth-diy at dropmix.xs4all.nl

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