How to make an wideband amplifer of OPA up to 1MHZ

Thread Starter

PSIR

Joined Apr 23, 2008
29
Hello everyone:

Please see the attached file. This is a inverting and noninverting amplifer. The magnification is 14. I used the AD8044 for voltage amplify. When input frequency up to 200KHZ, The output amplitude became to decline, I need a DC to 1MHZ amplifer which can remain the same magnification and not to
decline. How do I calculate the Gain Bandwidth and Slew Rate to choose a suitable OPA? or any part number meet the require.

Many Thanks

Murphy Lin
 

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