Two stage amplifier small signal equivalent — Free Electronics Illustration

Electronics

Two stage amplifier small signal equivalent

A simplified analog small-signal equivalent circuit for a two-stage amplifier, drawn as a compact black textbook schematic. Two transconductance amplifier blocks are connected in cascade, with an intermediate internal voltage node and an output node. The circuit includes dependent transconductance sources labeled Gm1 and Gm2, resistors labeled R1 and R2, capacitors labeled C1 and C2, and a compensation capacitor labeled CC connecting the two nodes. Input and output voltage nodes are clearly marked, and the overall layout is a neat analytical equivalent-circuit model using standard schematic conventions.

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