+Vpp= 12 V Rp R2 CS 22 k2 Kout 2.2 M2 | RS in R3 R, vo R1 1 k2 100 k2 Rs R1 Rc = R|| R2. Rp R3 2 kQ Signal 1.5 MQ Rs source R4 10 k2 RL (b) (a) R1 RI 1 k2 RG. 8mUgs gs R . 1 k2 R . RG gs 892 k2 18.0 k2 18.0 k2 892 k2 Rs Rs R1 = Rp|| R3 2 k2 2 k2 Rc = R||R2 Figure 14.12 (a) Common-source amplifier circuit employing a MOSFET; (b) ac equivalent circuit for common-source amplifier in part (a); the common-source connection is now apparent; (c) ac equivalent circuit with the MOSFET replaced by its small-signal model; (d) final equivalent circuit for ac analysis of the common-source amplifier in which r, is neglected.

Question

Calculate the Q-point for the transistor .

+Vpp= 12 V
Rp
R2
CS
22 k2 Kout
2.2 M2
| RS
in
R3
R,
vo
R1
1 k2
100 k2
Rs
R1
Rc = R|| R2.
Rp
R3
2 kQ
Signal
1.5 MQ
Rs
source
R4
10 k2
RL
(b)
(a)
R1
RI
1 k2
RG.
8mUgs
gs
R .
1 k2
R .
RG
gs
892 k2
18.0 k2
18.0 k2
892 k2
Rs
Rs
R1 = Rp|| R3
2 k2
2 k2
Rc = R||R2
Figure 14.12 (a) Common-source amplifier circuit employing a MOSFET; (b) ac equivalent circuit for common-source
amplifier in part (a); the common-source connection is now apparent; (c) ac equivalent circuit with the MOSFET replaced by
its small-signal model; (d) final equivalent circuit for ac analysis of the common-source amplifier in which r, is neglected.

Image Transcription

+Vpp= 12 V Rp R2 CS 22 k2 Kout 2.2 M2 | RS in R3 R, vo R1 1 k2 100 k2 Rs R1 Rc = R|| R2. Rp R3 2 kQ Signal 1.5 MQ Rs source R4 10 k2 RL (b) (a) R1 RI 1 k2 RG. 8mUgs gs R . 1 k2 R . RG gs 892 k2 18.0 k2 18.0 k2 892 k2 Rs Rs R1 = Rp|| R3 2 k2 2 k2 Rc = R||R2 Figure 14.12 (a) Common-source amplifier circuit employing a MOSFET; (b) ac equivalent circuit for common-source amplifier in part (a); the common-source connection is now apparent; (c) ac equivalent circuit with the MOSFET replaced by its small-signal model; (d) final equivalent circuit for ac analysis of the common-source amplifier in which r, is neglected.

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