3 votes
Accepted

Designing bandpass filter for audio amplifier

The problem is that total harmonic distortion (THD) is much more amplified on the pick up coil (Ideally, there should be none). Metal detector designers "parallel tune" the receive coil to ...
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2 votes

My bode plot does not mach with calculated cut-off frequencies

The gain is 22000/1000 = 22 Gain in dB = 20 log(22) = 26.8 dB For the frequency cutoffs on the graph, you aren't reading them carefully. Drawing intersecting lines with the correct slope and using ...
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