Consider the following feedback amplifier circuit. Assume lambda= 0, . VDD ERD2 M₂ ERDI Vin M₁ Select one: O a. none of these O b. O C. O d. R₁ R₂ the open loop input resistance RinoL and the closed loop input resistances Rincare respectively. Vout RinoL = 1/gm and RincL= 1/gm(1+kA1) RinOL = ∞ and Rincl= (1+ KA1) RinOL = ∞ and RinCL = 00

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Consider the following feedback amplifier circuit. Assume lambda= 0,
VDD
RD2
R01
VinM₁
M₂
-Vout
Select one:
O a. none of these
R₂
the open loop input resistance RinoL and the closed loop input resistances RincLare respectively:
O b. RinoL = 1/gm and RincL= 1/gm(1+kA1)
O C.
RinoL = ∞o and Rincl= (1+ KA1)
d. RinoLand RinCL = 00
Transcribed Image Text:Consider the following feedback amplifier circuit. Assume lambda= 0, VDD RD2 R01 VinM₁ M₂ -Vout Select one: O a. none of these R₂ the open loop input resistance RinoL and the closed loop input resistances RincLare respectively: O b. RinoL = 1/gm and RincL= 1/gm(1+kA1) O C. RinoL = ∞o and Rincl= (1+ KA1) d. RinoLand RinCL = 00
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