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Re: Differential probe design - BANDWIDTH ? ? ?
Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>
At 11:10 AM 7/17/2003 +1200, you wrote:
> > >Terry,
> > >
> > >What kind of bandwidth are you getting with your differential probe
> > >design? Did you simulate it at all?
> > It has never been built... The ICs go to 150MHz.
>What is the target gain of the circuit at what -3dB frequency? The
>150MHz thing will be -3dB -at- unity gain.
The gain is 0.001 ;-)) But probably would us the unity gain numbers in our
case. We could really get by fine with 1MHz bandwidth. Here is my
"original" TL082 circuit:
But everyone wanted far better common mode rejection and higher
frequency. So I am pushing it for all it's worth ;-))