minimal interpolating scanner
Paul Perry
pfperry at melbpc.org.au
Tue Apr 6 03:58:27 CEST 1999
Since there are only 2 inputs being interpolated (panned) at a time, you can
save parts by making ONE voltage controlled panner, and switching the inputs
to it as required.
The inputs can be switched by a pair of 8 to 1 analog multiplexers.
Consider the CV input. Let this go to an A to D convertor.
The highest 3 digits can be used for addressing the multiplexers.
Then, with a 3 bit D to A convertor (a few Rs and op amp) you can get a
voltage which, subtracted from the CV input, gives a suitable control for
the panner.
I dont think it can get much simpler than this..
paul perry (Frostwave P/L) Melbourne Australia
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