(i) By mathematical approach, prove that the transistor Q-points, Vosq = 2.14 V and IpQ=2.57 mA. (ii) Draw the small-signal ac equivalent circuit at middle frequency. (iii) Calculate gm, Zin and Zout (iv) Derive the equation for voltage gain, Aus = and calculate the voltage gain, Avs. (v) If Rst is short-circuited, what will be the effect towards Aus? (c) Figure Q.1 shows a MOSFET amplifier. Given that: Vos (th) 2 V, k = 130 mA/V2 and rasco, Vs + VDD (+12 V) RD 3 ΚΩ C2 10 µF Rsig 500 Ω CI 1 µF HH RG 100 ΚΩ www + VGSQ RSI 0.6 ΚΩ www IDQ Zin RS2 C3 0.9 ΚΩ 22 µF HF RL 5 ΚΩ Zout - Vss (-6 V) Figure Q.1. MOSFET amplifier circuit Vo
(i) By mathematical approach, prove that the transistor Q-points, Vosq = 2.14 V and IpQ=2.57 mA. (ii) Draw the small-signal ac equivalent circuit at middle frequency. (iii) Calculate gm, Zin and Zout (iv) Derive the equation for voltage gain, Aus = and calculate the voltage gain, Avs. (v) If Rst is short-circuited, what will be the effect towards Aus? (c) Figure Q.1 shows a MOSFET amplifier. Given that: Vos (th) 2 V, k = 130 mA/V2 and rasco, Vs + VDD (+12 V) RD 3 ΚΩ C2 10 µF Rsig 500 Ω CI 1 µF HH RG 100 ΚΩ www + VGSQ RSI 0.6 ΚΩ www IDQ Zin RS2 C3 0.9 ΚΩ 22 µF HF RL 5 ΚΩ Zout - Vss (-6 V) Figure Q.1. MOSFET amplifier circuit Vo
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Related questions
Question
![(i) By mathematical approach, prove that the transistor Q-points, Vosq = 2.14 V
and IpQ=2.57 mA.
(ii) Draw the small-signal ac equivalent circuit at middle frequency.
(iii) Calculate gm, Zin and Zout
(iv) Derive the equation for voltage gain, Aus
=
and calculate the voltage gain,
Avs.
(v) If Rst is short-circuited, what will be the effect towards Aus?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffa326aca-745f-410c-a63e-6ad225fdb3f7%2Fe20744be-b6fa-4753-b0c2-bbf242f3e316%2Fewtbq2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(i) By mathematical approach, prove that the transistor Q-points, Vosq = 2.14 V
and IpQ=2.57 mA.
(ii) Draw the small-signal ac equivalent circuit at middle frequency.
(iii) Calculate gm, Zin and Zout
(iv) Derive the equation for voltage gain, Aus
=
and calculate the voltage gain,
Avs.
(v) If Rst is short-circuited, what will be the effect towards Aus?
![(c) Figure Q.1 shows a MOSFET amplifier. Given that: Vos (th) 2 V, k = 130
mA/V2
and rasco,
Vs
+ VDD
(+12 V)
RD
3 ΚΩ
C2
10 µF
Rsig
500 Ω
CI
1 µF
HH
RG
100 ΚΩ
www
+
VGSQ
RSI
0.6 ΚΩ
www
IDQ
Zin
RS2
C3
0.9 ΚΩ
22 µF
HF
RL
5 ΚΩ
Zout
- Vss
(-6 V)
Figure Q.1. MOSFET amplifier circuit
Vo](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffa326aca-745f-410c-a63e-6ad225fdb3f7%2Fe20744be-b6fa-4753-b0c2-bbf242f3e316%2F42tx39_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(c) Figure Q.1 shows a MOSFET amplifier. Given that: Vos (th) 2 V, k = 130
mA/V2
and rasco,
Vs
+ VDD
(+12 V)
RD
3 ΚΩ
C2
10 µF
Rsig
500 Ω
CI
1 µF
HH
RG
100 ΚΩ
www
+
VGSQ
RSI
0.6 ΚΩ
www
IDQ
Zin
RS2
C3
0.9 ΚΩ
22 µF
HF
RL
5 ΚΩ
Zout
- Vss
(-6 V)
Figure Q.1. MOSFET amplifier circuit
Vo
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