

Basic Op-Amp Circuits - Technical MCQs
Q1: The center frequency of a band-pass filter is always equal to theA bandwidth
B –3 dB frequency
C bandwidth divided by Q D geometric average of the critical frequencies
ANS:D - geometric average of the critical frequencies The center frequency Fc = (fh + fL)/2 at that time RF system or filter is in resonance mode it gives max output by the filter system in terms of power, voltage and current. Centre frequency is critical in nature with output because power current in maximum finally afterwards at that freq. System RF or filter may go to damage or heating take place component may damage. |


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