Consider the Bi-CMOS Amplifier shown below The MOSFET parameters are k’ W/L = 0.75mA/V2 , VT =0.6V, and for the BJT =60 and VBE=0.7V VCC = 12V, RD = 2.7k, RE = RL = 200  . The capacitors are “large”. Neglect the Early effect and channel length modulation. Find: a) The current IS shown in the schematic, such that the voltage VDS1=VCC/3, and VE2=6V.      IS =  mA b) The value of the resistors R1 and R2 such that the input resistance to the amplifier is 100k.    R1 = k     R2 = k c) The voltage gain Av = vout/vin .    Av = V/V  

  The amplifier in the following circuit uses equal MOSFETs where \(\mu_nC_{ox} W/L = 1mA/V^2 \), VT = 1V, and \(\lambda = 0 V^{-1} \). RD=1.5k\(\Omega\), RL is “big”. (a) Calculate the DC values for  ID1, = mA, VD1 = V, VG1 = V, VS1 = V, and VD2 = V (b) Sketch the small-signal model of the circuit and calculate the voltage gain Av, and the amplifier’s input and output resistances Rin and Rout. Av = V/V, Rin = k\(\Omega\), Rout = k\(\Omega\)  

Consider the CMOS Circuit shown below. The MOSFET parameters are k’n=3 k’p= = 0.3 mA/V2 , and VT = 0.7V, and RX=1k. a) Find the drain current  ID = mA b) The region of operation of the NMOS transistor is c) The region of operation of the PMOS transistor is     

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