The cutoff frequency of a low pass filter occurs at
A)- 3 dB.
B)+3 dB.
C)- 20 dB.
D)- 5 dB.

Name: The cutoff frequency of a low pass filter occurs at A)- 3 dB. B)+3 dB. C)- 20 dB. D)- 5 dB.
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Question

Quizplus · Accepted Answer

The cutoff frequency of a low pass filter is defined as the frequency at which the output signal power is reduced to half of its input signal power, which corresponds to a -3 dB point.

The Cutoff Frequency of a Low Pass Filter Occurs at