Lower 3-dB Frequency in Feedback Amplifiers Formulas

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

Formulas to find Lower 3-dB Frequency in Feedback Amplifiers

fxLower 3-DB Frequency in Bandwidth ExtensionGo

List of variables in Feedback Amplifiers formulas

fx 3-dB Frequency Go

fx Mid Band Gain Go

fx Feedback Factor Go

FAQ

What is the Lower 3-dB Frequency?

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

Can the Lower 3-dB Frequency be negative?

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

What unit is used to measure Lower 3-dB Frequency?

Lower 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 Lower 3-dB Frequency can be measured.

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