Mosfet hybrid pi model with body effect and capacitances — Free Electronics Illustration

Electronics

Mosfet hybrid pi model with body effect and capacitances

Compact small-signal MOSFET hybrid-pi equivalent circuit schematic with four labeled terminals G, D, S, and B. A transconductance-dependent current source marked gm·vgs runs from drain to source, with an additional controlled source labeled gmb·vbs representing body effect. An output resistance ro is connected between drain and source. Parasitic capacitances are included as Cgs between gate and source, Cgd between gate and drain, Cdb between drain and body, and Csb between source and body. Drawn as clean black line art on a white background.

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