Assume R₁ =R₂=500 Q, y=2/3 and neglect of Cp. I/V Converter R₁ X LOHM₂ Current Switch "HI V² Ro X n.M2 VLO.CMM₂ a. 9m1-2 mA/V O b. 9m1-1 mA/V O c. 9m1-7 mA/V O d. 9m1= 3 mA/V VRFO+ M₁ 12. P VIF Y . VDD RD CY VDD M3 LO HH₁ HH ů R₂ VII Converter

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What is the value of gm1 needed to keep the noise figure of the mixer below 10 dB?
Assume R₁=R₂=500 Q, y-2/3 and neglect of Cp.
I/V
Converter R₁
Current
Switch
VLO.CM
X+ VIF Y
LOHM₂ M3 LO
Cx
RD
"HH
8
Vn.M2
O a. 9m1-2 mA/V
O b. 9m1=1 mA/V
OC. 9m1-7 mA/V
Od. 9m1-3 mA/V
VRFHM₁
45
ww
M₂
TM1
M3
VDD
RD CY
Y
HH
HH"
VDD
Cp
R₂
VII
Converter
Transcribed Image Text:What is the value of gm1 needed to keep the noise figure of the mixer below 10 dB? Assume R₁=R₂=500 Q, y-2/3 and neglect of Cp. I/V Converter R₁ Current Switch VLO.CM X+ VIF Y LOHM₂ M3 LO Cx RD "HH 8 Vn.M2 O a. 9m1-2 mA/V O b. 9m1=1 mA/V OC. 9m1-7 mA/V Od. 9m1-3 mA/V VRFHM₁ 45 ww M₂ TM1 M3 VDD RD CY Y HH HH" VDD Cp R₂ VII Converter
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