Input Impedance in Transistor Amplifiers Formulas

Input Impedance is a measure of how much resistance an electronic device has to the flow of current in its input circuitry. And is denoted by Z_in. Input Impedance is usually measured using the Kilohm for Electric Resistance. Note that the value of Input Impedance is always positive.

Formulas to find Input Impedance in Transistor Amplifiers

fxInput Impedance of Common-Base AmplifierGo

List of variables in Transistor Amplifiers formulas

fx Emitter Resistance Go

fx Small Signal Input Resistance Go

FAQ

What is the Input Impedance?

Input Impedance is a measure of how much resistance an electronic device has to the flow of current in its input circuitry. Input Impedance is usually measured using the Kilohm for Electric Resistance. Note that the value of Input Impedance is always positive.

Can the Input Impedance be negative?

No, the Input Impedance, measured in Electric Resistance cannot be negative.

What unit is used to measure Input Impedance?

Input Impedance is usually measured using the Kilohm[kΩ] for Electric Resistance. Ohm[kΩ], Megohm[kΩ], Microhm[kΩ] are the few other units in which Input Impedance can be measured.

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