Cs amplifier equivalent circuit — Free Electronics Illustration

Electronics

Cs amplifier equivalent circuit

Simplified small-signal common-source amplifier equivalent schematic drawn in thin black textbook-style lines on a white background. The circuit is centered on a MOSFET small-signal model with gate input node on the left, drain output node on the right, and source at the bottom tied to small-signal ground. The transistor behavior is represented by a dependent transconductance current source between drain and source labeled gm·vgs. An input resistance labeled R'sig connects to the gate, a load resistance labeled R'L is connected at the drain, and parasitic capacitances are shown as Cgs between gate and source and Cgd between gate and drain. A load capacitance CL is connected from the drain/output node to ground. Clean, uncluttered circuit-symbol layout with clearly labeled nodes and components.

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