Op Amps: Simple Frequency Tailoring

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Sometimes there is a need to alter the frequency response of an op amp circuit modestly, that is, without going through the work and expense of a full-blown filter. Simple reductions of F2 along with reductions in low frequency gain often can be achieved through the addition of a capacitor (or two) in the feedback network. In this video, we examine the process using non-inverting amplifiers, although the process is easily extended to inverting amplifiers.

References: Operational Amplifiers: Theory and Application, Chapters 4 and 5.

  1. Electronics with Professor Fiore
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Excellent, I don’t understand why this channel doesn’t have more subscribers.
I put this channel in the same category as (back in the day) books like Phillip Cutler - AC Circuit Analysis &
Kernighan & Ritchie - C Programming Language. They are must haves.

mysneekers
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Excellent. Do we need to be concerned about the DC Ground when we put the Cap in series with Ri?

simonyoungglostog