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Unformatted text preview: LEVEL=1 VT0=0.5 TOX=1.5e8 U0=220 LAMBDA=1.0e1 +GAMMA=0.6 CJ=1e4 CJSW=5e10 PB=0.95 .MODEL P15 PMOS LEVEL=1 VT0=0.5 TOX=1.5e8 U0=110 LAMBDA=1.0e1 +GAMMA=0.6 CJ=3e4 CJSW=3.5e10 PB=0.9 a) Use the DC sweep on the input voltage to simulate transfer characteristics using SPICE. Compare V M , A V , N ML , N MH , with the calculated results. b) Use the Pulse input to simulate an input waveform shown below using SPICE. Compare t PHL and t PLH with your hand calculations. Problem 3 Consider the circuit below, which consists of an NMOS device and PMOS current source load. a) Calculate the width of the PMOS device so its saturation current is 50µA. b) Calculate V M , V OH , V OL . Remember, for hand calculations we assume V OH =V MAX , and V OL =V MIN . c) Calculate the voltage gain of this circuit, when V IN =V M . d) Calculate V OUT when V IN =3....
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 Spring '08
 CharlesSodini
 Electrical Engineering, The Circuit, Input device, Calculate VM

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