Help on op-amp (?) circuit

[Simon Quested]

Hi Bruce and All
 
> Use a comparotar, something like a 339, I think is the number.  Op-Amps
> can get twitchy, for enables. Bruce

So what's the difference between the 2 devices, I have never understood this.
You can use an op amp for a comparator but not visa versa ?

Cheers

Simon
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  Simon Quested 
  Computer Engineer, Silicon Graphics & Windows NT Support
  LINCOLN UNIVERSITY OF NEW ZEALAND
  Phone (64)(03) 3252811 Ext. 8087
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A person who smiles in the face of adversity 
.....probably has a scapegoat.
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