In the following circuits, find range of Vin in which transistors remain in saturation. Kn = 200 uA/V2, Vth = 0.5 V, Vdd = 2 V, W/L = 10
In the following circuit, MOSFET operates with VD = 3 V. What is the voltage gain vo/vi? Assume has Vth = 1 V, I = 5 mA, RL = 10 kohm and RG = 60 Mohm. (a) -10 V/V (b) -50 V/V (c) -100 V/V (viii) What do the gain become for the current I increased to 10 mA in question (vii). (a) -35.4 V/V (b) -50 V/V (c) -70.7 V/V
The following circuit can be used to illustrate a common-source MOSFET amplifier with load RL and CL. Assume Avo = 50, Ro = 1 kohm, RL = 10 kohm, CL = 3nF. What is the magnitude of voltage gain Av = Vo/Vi (in dB ) when frequency of the source voltage is 1MHz. (a) 8.5 dB (b) 24.4 dB (c) 33.2 dB (x) For the voltage amplifier shown in question (ix), what is the phase angle of the voltage gain Av = Vo/Vi ? (a) -0.98 (b) -45 (c) -86.7