UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #9 Due Tuesday, April 18, 2006. EE 105
1. Consider the following circuit of a p-channel common-source amplifier. VDD = VSS =
EE105 HW 11 Solutions 1.
2 #W & gm 1m 2 gm = 2n Cox ( W ) ID " % ( = = = 100 L $ L ' 2n Cox ID 2 ) 50 )100
2.
!
!
2ID 2 "100 = 0.7 + = 0.9V W n Cox L 50 "100 Note: The intent of this part was to treat the circuit as if a load resistor were attach
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Solutions to Problem Set #10 Due Tuesday, April 25th, 2006. EE 105 Spring 2006
1. a. Av = "gmro = " 2n Cox(W /L)I sup( #n I sup)"1 = "1
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #10 Due Tuesday, April 25th, 2006. EE 105 Spring 2006
1. You are given an NMOS common-source voltage amplifier with a curre
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #9 Due Tuesday, April 18, 2006. EE 105
1. a)
Spring 2005
"W % 2 1 I REF = p Cox $ ' (VDD (VI +VTp ) 2 # L &1 VI = VDD +VT
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #7 Due Tuesday, March 21st, 2006. EE 105 Spring 2006
1) a. v out =
RL Rin 10v i and v i = v in RL + Rout RS + Rin RL Rin "
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #7 Due Tuesday, March 21st, 2006. EE 105 Spring 2006
1) You are given the two port model of an amplifier shown below in Fig
Homework 6 Solutions 1. a.
1 = 1k" # gm1 = 1mS = 2n Cox W ID L gm1 2 "W % gm1 1m 2 = = 100 $ ' = # L &1 2n Cox ID 2 ( 50 (100 Rout = !
b.
!
I (W L )1 300 #100 I2 (W L ) 2 = " (W L ) 2 = 2 = = 300 I1 (W L )1 I1 100
c.
!
ro =
1 1 = = 111.1k$ "ID
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #5 Due Tuesday, March 7, 2006. EE 105
1. From the eq (4.59) of H&S, Transistor VS VG 0V 2V 1 0V 3V 5V 3V 2 5V 2V 5V 3V 3 5V
EE105 HOMEWORK2 SOLUTION Spring 2006
1. SOLUTIONS: a) N 3.3 1017 = Vth ln d = 0.026 ln = 0.45V n ni 1 1010 p + = 0.55V VFB = b)
Cox =
ox
(
p+
n
) = 1V
Tox
=
3.9 8.85 10 34.5 10 7 2
n
14
= 1 10 7 F / cm 2
n
VTn = VFB
2q si N d ( 2 Cox 2 1.6
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set # 4 Due Tuesday, February 21 2005. EE 105 Spring 2006
1Consider a MOS-cap with p+ gate and n-substrate. Substrate doping Nd
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #3 Solutions Due Tuesday, February 14, 2006. EE 105 Spring 2006
1. a. The total negative charge (magnitude) is equal to the
UNIVERSITY OF CALIFORNIA College of Engineering Department of Electrical Engineering and Computer Sciences Problem Set #12 Due Tuesday, May 9, 2006 at 5:00 pm EE 105
B
Spring 2006
1. Using Ebers-Moll Model, determine the terminal currents IB, IE, I
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set # 11 Due Tuesday, May 2, 2005. EE 105 Spring 2006
1. Find the value of W/L for M1 that will result in an overall transcondu
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set # 8 9 April 4th, 21 2005. Due Tuesday, February 2006 EE 105 1. Analyze the following circuit with phasors.
R1=100k C=10pF
S
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set # 6 Due Tuesday, March 14, 2005. EE 105 Spring 2006
1.
A simple current source along with device data is shown below. a. F
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #5 Due Tuesday, March 7, 2006. EE 105 Spring 2006
1. Various NMOS and PMOS transistors are measured in operation, as shown
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #3 Due Tuesday, February 14, 2006. EE 105 1. The charge distribution in an IC structure is shown in Fig. 1. Spring 2006
a.
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set # 2 Due Tuesday, February 7, 2005. EE 105 Spring 2006
1. Suppose you are asked to design a 25fF capacitor in an IC process
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #1 Due Tuesday, January 31, 2006. EE 105 Spring 2006
1. a) electron b) n-type c) N d '= N d N a =1.1 1013 1 1013 =1 1012 cm
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Dept. of Electrical Engineering and Computer Sciences Problem Set #1 Due Tuesday, January 31, 2006. EE 105 Spring 2006
1.
A sample of silicon is doped with Nd = 1.1x1013 cm-3 and Na = 1x10
University of California at Berkeley College of Engineering Dept. of Electrical Engineering and Computer Sciences
EE 105 Midterm 2
Spring 2006 Prof. Ming C. Wu April 6, 2006
Guidelines Closed book and notes. Two pages of information sheets allowe
University of California at Berkeley College of Engineering Dept. of Electrical Engineering and Computer Sciences
EE 105 Midterm I
Spring 2006 Prof. Ming C. Wu Feb. 23, 2006
Guidelines Closed book and notes. One-page information sheet allowed. T