[sdiy] VCO Cap Switch

René Schmitz uzs159 at uni-bonn.de
Thu Jun 6 14:32:54 CEST 2002


While we're on the subject of comparators, has anyone used comparators 
with a push-pull output stage in VCO applications?

Cheers,
 René

At 23:23 05.06.02 -0400, harry wrote:
>IMHO the LM311 does need a pull-up resistor... it is an open collector
>output, capable of wire-or operation.  You may set the emitter of the output
>transistor to any voltage you like, most other comparators pull down to the
>negative rail (like the LM393).
>
>H^) harry
>

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

 




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