[sdiy] VCO waveform logic selection

René Schmitz uzs159 at uni-bonn.de
Wed Sep 12 13:29:26 CEST 2007


Hi Dave,

> On your webpage you note that the diodes may not be omitted.

Read that as "should".

> Are the protection diodes built into the device inadequate for this 
> purpose?

Those diodes delimit the amplitude to +-0.6V around GND, while the input 
protectors do clamp against Vcc and GND. Delimiting the swing at the 
open switch does reduce the risk of capacitive crosstalk.

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





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