cutoff frequency vs corner frequency

Both 'cutoff frequency' and 'corner frequency' are correct terminologies used in the field of signal processing and electronics. They refer to the frequency at which a filter or amplifier attenuates a signal or transitions from one state to another. The choice between the two terms depends on the specific context and the preference of the speaker.

Last updated: March 31, 2024

cutoff frequency

This phrase is correct and commonly used in the context of signal processing and electronics.

The cutoff frequency is the frequency at which a filter or amplifier attenuates a signal by a certain level. It is an important parameter in the design and analysis of electronic systems.

Examples:

The low-pass filter has a cutoff frequency of 1 kHz.
The amplifier's cutoff frequency is adjustable within a certain range.

Alternatives:

critical frequency
half-power frequency
3 dB frequency
−3 dB frequency
−3 dB cutoff frequency

corner frequency

This phrase is correct and commonly used in the context of signal processing and electronics.

The corner frequency is the frequency at which a filter or amplifier transitions from one state to another, such as from passband to stopband. It is another term used interchangeably with cutoff frequency.

Examples:

The corner frequency of the band-pass filter is 2 kHz.
The amplifier's corner frequency determines the bandwidth of the system.

Alternatives:

cutoff frequency
critical frequency
half-power frequency
3 dB frequency
−3 dB frequency

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cutoff frequency vs corner frequency