In the last case, about 1V could be expected according to gain-bandwidth product. So there is a discrepancy. But how do youC1=1n, R1=60.4 and R2=1K. I input 10MHz-100mV, and I could get 680mV now.
Optimize to where? It's not actually clear what you want to achieve.Do you have any sugguestions to optimise my circuit?
Yes, sorry your input HP-filtering is clear me, but I spoke (mistakly)over 33pF(+) parallel to Rf/R2...oliverlin09 said:Hiya,
...karesz, my filter is a high pass filter and the signal is a sine wave. Basically I just want to use 10MHz sine wave signal, other frequencies are just for testing...
Oliver
oliverlin09 said:AD8042 has 2 op amps.
That circuit is for the first amp and its output will go to the 2nd amp; and I will build a multi-feedback band-pass circuit for the second one.
If there are anything I need to be careful for the multi-feedback band-pass circuit??
oliverlin09 said:The 1st op amp is shown as AD8042A on the attached file.
It doesn't have feedback.
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oliverlin09 said:................
I input 100mV @ 10MHz, but I just got 680mV.
For that design, I should have got something around 1V.
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