What is meant by cut-off frequency?

The cutoff frequency is known as a frequency creating a boundary between pass and stop band . If the signal frequency is more than the cutoff frequency for a high pass filter then it will cause the signal to pass. The cutoff frequency equation for first order high pass filter is same as low pass filter.17 Ağu 2020

In physics and electrical engineering, a cutoff frequency, corner frequency, or break frequency is a boundary in a system’s frequency response at which energy flowing through the system begins to be reduced (attenuated or reflected) rather than passing through .

beta cut-off frequency (fβ) is a particular frequency that occurs when the common-emitter current gain (β) value drops to 0.707 of its low-frequency value . The common-emitter current gain is the ratio of the value of the transistor’s collector current to the value of the transistor’s base current in a transistor.