Common source amplifier equivalent circuit — Free Electronics Illustration

Electronics

Common source amplifier equivalent circuit

A simplified MOSFET common-source amplifier schematic drawn in clean black circuit-symbol style. Includes an n-channel transistor with labeled gate, drain, and source terminals, a dependent current source labeled gmVgs between drain and source, output resistance ro from drain to source, capacitance Cgs between gate and source, capacitance Cgd between gate and drain, gate resistor RG, source signal source Vsig with source resistance Rsig at the input, drain resistor RD and load resistor RL at the output, and output voltage Vo marked at the drain node.

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