The DC biasing circuit of a MOSFET amplifier circuit is shown in Fig. Q8. The parameters of this circuit are VDD = 6 V, R₁ = 100 kQ, R3 = 10 kQ. The threshold voltage of the MOSFET Mi is 1 V and its drain current is 0.16 mA. The temperature is 300 K. Cin Vin E R₂ ww VDD R3 M₁ Vout Fig. Q8 (a) Determine if the MOSFET in the circuit in Fig. Q8 is operating in the desired mode of operation if R2 is 100 kn. (b) Determine the Channel Length Modulation parameter, λ, if the drain current of the MOSFET becomes 0.1616 mA when R3 is 5 kn. (c) Calculate the small signal parameters, gm and ro, of the MOSFET if R3 is 10 kn.
The DC biasing circuit of a MOSFET amplifier circuit is shown in Fig. Q8. The parameters of this circuit are VDD = 6 V, R₁ = 100 kQ, R3 = 10 kQ. The threshold voltage of the MOSFET Mi is 1 V and its drain current is 0.16 mA. The temperature is 300 K. Cin Vin E R₂ ww VDD R3 M₁ Vout Fig. Q8 (a) Determine if the MOSFET in the circuit in Fig. Q8 is operating in the desired mode of operation if R2 is 100 kn. (b) Determine the Channel Length Modulation parameter, λ, if the drain current of the MOSFET becomes 0.1616 mA when R3 is 5 kn. (c) Calculate the small signal parameters, gm and ro, of the MOSFET if R3 is 10 kn.
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Transcribed Image Text:The DC biasing circuit of a MOSFET amplifier circuit is shown in Fig. Q8. The
parameters of this circuit are VDD = 6 V, R₁ = 100 kQ, R3 = 10 kQ. The threshold
voltage of the MOSFET Mi is 1 V and its drain current is 0.16 mA. The temperature is
300 K.
Cin
Vin
E
R₂
ww
VDD
R3
M₁
Vout
Fig. Q8
(a) Determine if the MOSFET in the circuit in Fig. Q8 is operating in the desired mode
of operation if R2 is 100 kn.
(b) Determine the Channel Length Modulation parameter, λ, if the drain current of the
MOSFET becomes 0.1616 mA when R3 is 5 kn.
(c) Calculate the small signal parameters, gm and ro, of the MOSFET if R3 is 10 kn.
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