Re: OSC and unity gain buffer
- From: "Tom Del Rosso" <td_02@xxxxxxxxxxxxxxx>
- Date: Fri, 11 Apr 2008 04:32:18 -0400
"Tim Wescott" <tim@xxxxxxxxxxxxxxxx> wrote in message
news:6rydnbZMeMTA2WPanZ2dnUVZ_g2dnZ2d@xxxxxxxxxxxx
You really don't want to run an op-amp right up against it's
gain-bandwidth product. The design philosophy of an op-amp is that
you use a crappy amplifier with tons of excess gain, and fix all of
the amplifier problems with tons of feedback. When you get close to
the
loop bandwidth, you no longer have tons of excess gain with which to
generate tons of feedback, and all you're left with is a crappy
amplifier.
That paragraph should be in the 3rd edition of AoE.
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- References:
- OSC and unity gain buffer
- From: eeaj2002
- Re: OSC and unity gain buffer
- From: Tim Wescott
- OSC and unity gain buffer
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