For a 0.8-μm CMOS fabrication process: Vtn= 0.8 V, Vtp = −0.9 V, μnCox = 90 μA/V2, μpCox = 30 μA/V2, Cox = 1.9 fF/μm2, VA (n-channel devices) = 8L (μm), and |VA| (p-channel devices) = 12L (μm). Find the small-signal model parameters (gm, ro and gmb) for a PMOS transistor having W/L = 20 μm/2 μm and operating at ID = 100 μA and |VSB| = 1V.

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MOS Field Effect Transistors (MOSFETs) topics include: The basics of MOSFET, device structure, physical and small signal operation of MOSFET, basics of MOSFET configurations and circuit biasing, body effect and discrete MOSFET circuits. Metal-oxide-semiconductor field-effect transistors (MOSFETs) are electronic devices that are used to control or amplify voltages in circuits. They are the most common type of transistor today.  MOSFETs are typically three-terminal devices with gate (G), drain (D), and source (S) terminals. They are voltage-controlled devices that use an insulated gate to... Show more

For a 0.8-μm CMOS fabrication process: V<sub>tn</sub>= 0.8 V, V<sub>tp</sub> = −0.9 V, μ<sub>n</sub>C<sub>ox</sub> = 90 μA/V<sup>2</sup>, μ<sub>p</sub>C<sub>ox </sub>= 30 μA/V<sup>2</sup>, Cox = 1.9 fF/μm2, V<sub>A</sub> (n-channel devices) = 8L (μm), and |V<sub>A</sub>| (p-channel devices) = 12L (μm). Find the small-signal model parameters (g<sub>m</sub>, r<sub>o</sub> and g<sub>mb</sub>) for an NMOS transistor having W/L = 20 μm/2 μm and operating at I<sub>D</sub> = 100 μA and |V<sub>SB</sub>| = 1V.