3-dB Frequency in Feedback Amplifiers Formulas

3-dB Frequency is the point at which the signal has been attenuated by 3dB (in a bandpass filter). And is denoted by f_3dB. 3-dB Frequency is usually measured using the Hertz for Frequency. Note that the value of 3-dB Frequency is always positive.

Feedback Amplifiers formulas that make use of 3-dB Frequency

fxLower 3-DB Frequency in Bandwidth ExtensionGo

fxUpper 3-DB Frequency of Feedback AmplifierGo

FAQ

What is the 3-dB Frequency?

3-dB Frequency is the point at which the signal has been attenuated by 3dB (in a bandpass filter). 3-dB Frequency is usually measured using the Hertz for Frequency. Note that the value of 3-dB Frequency is always positive.

Can the 3-dB Frequency be negative?

No, the 3-dB Frequency, measured in Frequency cannot be negative.

What unit is used to measure 3-dB Frequency?

3-dB Frequency is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which 3-dB Frequency can be measured.

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