Small-Signal Voltage Gain Calculations Page 1 of 3
Note: no-signal nodes include pure DC and Ground nodes.
1. Common-Source (NMOS and PMOS) / Common-Emitter (NPN and PNP)
no-signal
no-signal
RD
RD
vo
vo
vi
vi
M
Q
RS
RS
no-signal
no-signal
If RS = 0 (trans
American University of Beirut
Faculty of Engineering and Architecture
Department of Electrical and Computer Engineering
ELEG 042 - Analog Electronics
Instructors: A. Kayssi and Z. Othman
Quiz 1
November 2001
Closed Book
Programmable Calculators Are Not Al
American University of Beirut
Faculty of Engineering and Architecture
Department of Electrical and Computer Engineering
ELEG 042 - Analog Electronics
Instructors: A. Kayssi and Z. Othman
Quiz 1
Thursday November 23, 2000
Closed Book
Programmable Calculato
American University of Beirut
Faculty of Engineering and Architecture
Department of Electrical and Computer Engineering
EE 042 - Analog Electronics
Instructors: L. Chaar and A. Kayssi
Quiz 1
Saturday November 14, 1998
Closed Book
Programmable Calculators
American University of Beirut
Faculty of Engineering and Architecture
Department of Electrical and Computer Engineering
EE 042 - Analog Electronics
Instructor: A. Kayssi
Quiz 1
Saturday November 29, 1997
Closed Book
Programmable Calculators Are Not Allowe
American University of Beirut
Faculty of Engineering and Architecture
Department of Electrical and Computer Engineering
EE 042 - Analog Electronics
Instructors: A. Kayssi and M. Krisht
Quiz 1
Saturday November 23, 1996
Closed Book
Programmable Calculators
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronic Circuits
Spring 2014
Final Exam May 8, 2014
Open Book 120 minutes
NAME:_ ID Number: _
o
Mark all your answers and ID number on the computer (Scantron) shee
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronic Circuits
Spring 2013
Final Exam May 23, 2013
Open Book 120 minutes
NAME:_ ID Number: _
o
Mark all your answers and ID number on the computer (Scantron) she
EECE 311
HW6 Solution
a.
For M2,
Eq.1
With
being the voltage at the node of the drain of M1
For M1,
Eq.2
With being the voltage at the node of the source of M1
Because no current flows in the RF resistance,
So, solve Eq.2 for Vx and replace the value of V
EECE 311
HW 7 Solution
Problem 1
a.
b. At
, we have a phase of
Slope from 104 to 105 is -90/decade; phase at 104 is -135
Slope form 104 to 105 is -40dB/decade
=> Gain at f=104.5 is
c.
Problem 2
a.
b.
c.
d.
Problem 3
a. The current available to charge the
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronics II
Instructor: Ayman Kayssi
Final Exam
January 21, 2006
Open Book
Time: 180 minutes
Name:
ID Number:
Problem 1 [10 points]
a) Refer to the circuit shown i
American University of Beirut
Department of Electrical and Computer Engineering
P1
P2
P3
EECE 311 Electronics II
Spring 2005 2006
Quiz 1 March 17, 2006
Closed Book 90 minutes
Grade
/35
/40
/25
/100
NAME:_ ID Number: _
Problem 1 [35 points]
a) Consider the
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronic Circuits
Spring 2008
Midterm April 11, 2008
Open Book 90 minutes
NAME:_ ID Number: _
Problem 1 [60 points]
Mark the answers for questions 1 to 15 below on
NOTE: THE PROBLEM AND FIGURE NUMBERS REFER TO AN OLDER
EDITION OF THE TEXTBOOK
Problem 1.
Problem 2.
Problem 3.
Problem 4.
Problem 5.
Problem 6
- Does a dominant pole exist?
- At what frequency does the gain become 1 (or 0 dB)?
The solution above us
NOTE: THE PROBLEM AND FIGURE NUMBERS REFER TO AN OLDER
EDITION OF THE TEXTBOOK
Problem 1.
Note: Bandwidth is equal to H, since mid-band extends all the way
to low frequency down to DC.
(trade gain for bandw
NOTE: THE PROBLEM AND FIGURE NUMBERS REFER TO AN OLDER
EDITION OF THE TEXTBOOK
Problem 1.
When is infinite, it means that we can neglect the base current in active.
There is an implicit assumption that the NPN BJTs have
Problem 1.
Line 4 in the solution should be Vomax corresponds to the condition
VDSp = VGSp - Vtp
Problem 2.
The reference current in the circuit shown is 54 A. Assume VDD = 1.8 V and (W/L)1 for
MOSFET Q1 is 10. Assume k
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronic Circuits
Spring 2009
Midterm April 15, 2009
Open Book 120 minutes
NAME:_ ID Number: _
All questions are equally graded
PENALTY is four-to-one (four wrong a
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronic Circuits
Summer 2009
Midterm July 20, 2009
Open Book 75 minutes
_
GRADE:
/ 40
NAME:_ ID Number: _
All questions are 2 points each.
In the circuit shown bel
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronics II
Fall 2005 2006 (Section 2)
Quiz 2 December 22, 2005
Closed Book 90 minutes
NAME:_ ID Number: _
I have neither given nor received aid on this exam
SIGNA
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronics II
Fall 2005 2006 (Section 2)
Quiz 1 Solution
Problem 1:
I
vO
Q1
vi
VI
a) I = kn (W/L) (VGS Vtn)2
=> 40 u = 0.5 (0.2m)(5)(VI 0.5)2
=> VI = 0.5 + sqrt(40u/
American University of Beirut
Department of Electrical and Computer Engineering
EECE 311 Electronic Circuits
Summer 2008
Midterm July 22, 2008
Open Book 90 minutes
NAME:_Solution_ ID Number: _
Problem 1 [30 points]
Consider the current mirror shown in Fig
American University of Beirut
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
EECE 311 Electronic Circuits
Spring 2013
HOMEWORK 7
Due Thursday May 2 at 1:30 pm in the RGB Homework Drop Box
Problem 1. [25 points]
An op-amp with an open-loop gain of 5000
American University of Beirut
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
EECE 311 Electronic Circuits
Spring 2013
HOMEWORK 6
Due Tuesday April 23 at 1:30 pm in the RGB Homework Drop Box
X = 20 + (last two digits of your ID number/10). E.g., 2012 12
American University of Beirut
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
EECE 311 Electronic Circuits
Spring 2015
HOMEWORK 2
Due Friday February 20 at 1:30 pm in the RGB Drop Box
Problem 1 [30 points]
The common-source stage shown below must provid
The High-Frequency Gain Function
n
A( s ) = AM FH ( s )
lim FH ( s ) =1
s 0
FH ( s ) =
s
105
FH ( s ) =
s
s
1
+ 4 1 +
4
10 4 10
s
s s
1
. 1
+
1 +
+
wZ 1 wZ 2 wZn
1-
wZ 1 =- 105 rad/sec
wZ 2 =
s
s s
1
. 1
+ 1 +
+
wP1 wP 2 wPn
wP1 =104 ra
EECE 311: Electronic Circuits
Part 5
Simple CMOS Op-Amp
MOSFET Differential Amplifier
When Q1 and Q2 are matched and as long as vI1 = vI2:
vO1 = vO2 = VDD RD I/2
fixed, pure DC
(no dependence of output on vI1 and/or vI2 as long as vI1 =
BJT Differential A
EECE 311: Electronic Circuits
Part 4
Operational amplifier
2
n
Ideal Op-Amp
n
n
v3 = A ( v2 - v1 )
n
n
Open loop gain
Infinite input impedance
Zero output impedance
Infinite open-loop gain
Infinite bandwidth
n
n
Inverting Amplifier Configuration
iI =
vI
R