[sdiy] Muxes at maximum voltage.

[René Schmitz]

Hi Karl, Harry and List,

harrybissell wrote:
> If you really want to squeeze the 4051... locate it at the
> summing node of an inverting opamp. Put the input resistors
> on the other side. Run it on maybe +15 and run the ground at
> -.7V.  Voltage drop across the analog switches will be near
> zero... linearity is very good that way.

See also: http://www.uni-bonn.de/~uzs159/switch.html
Running it from +-6V should be possible, so you can eliminate the 
transistors.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159