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4.26 4.37 9.66 謝謝🥹🥹11點半以前都可以 非常感恩

*D4.26 Design the common-source circuit in Figure P4.26 using an n-channel
MOSFET with &= 0, The quiescent values are to be Ang=6 mA,
Vesg = 2.8 V, and Vosg = 10 V. The transconductance is gm = 2.2 mA/V.
Let R₁ = 1 ks2, A, = -1, and Rin = 100 k22. Find R₁, R₂, Rs. RD. Kn
and VTN.
Rm1
Figure P4.26
VDD=18 V
R₂
R₂
RD
CC2
Ry
%
1/₂
Figure P4.27
+9 V
10
持
Co₂
R2 = 500 KSD
R₂
-9 V
C's
K₂
ko

8+1=
Figure P4.36
Vo = 10 V
R₂
%
Ca
RG =
****
500 k
-5 V
ww
+5 V
Figure P4.37
R₂,
R₂ =
4 ks2
4.37 Consider the source follower circuit in Figure P4.37 with transistor parame-
ters VTN = 0.8 V, K 100 A/V², W/L = 20, and λ = 0.02 V-¹. (a) Let
To = 5 mA. (1) Determine the small-signal voltage gain. (ii) Find the output
resistance R. (b) Repeat part (a) for lo = 2 mA.

"cat
Farz
VW/2
Figure P9.65
vo
211 R₁
572
www
R₂
R₂
www
2R₂
R₂
- 20³² (1 + R²³)
R₁
Ry
CR₂
510
120-
K₁
R₁
Figure P9.66
1₂
+
R₂
ww
*9.66 Consider the adjustable gain difference amplifier in Figure P9.66. Variable
resistor Ry is used to vary the gain. Show that the output voltage vo, as a
function of u and 2, is given by
(012011)
Ry
R₂
ww
R₂
"g
R₂

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