A depletion-load NMOS amplifier and its small-signal equivalent circuit are shown in the figures. For the small signal parameters gm1=0.2 and mA/V, gm2=0.04mA/V, ro1=ro2=50k and CL= 20pF, calculate the mid-band voltage gain Vo/Vi.
A depletion-load NMOS amplifier and its small-signal equivalent circuit are shown in the figures. For the small signal parameters gm1=0.2 and mA/V, gm2=0.04mA/V, ro1=ro2=50k and CL= 20pF, calculate the mid-band voltage gain Vo/Vi.
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a) vo/vi = -2.5 v/v
b) vo/vi = -1.5 v/v
c) vo/vi = -2.0 v/v
d) vo/vi = -1.0 v/v
https://brainmass.com/physics/circuits/depletion-load-nmos-amplifier-small-signal-equivalent-circuit-22328
Solution Summary
The solution involves a calculation of mid-band voltage gain given the small signal parameters for a depletion-load NMOS amplifier.
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