ECE2280
1. (a) (b) (c) (d) (e) (f)
Homework #2
Spring 2010
Explain how an amplifier works in your own words. Explain in your own words what Ri is. Explain in your own words what Ro is. Describe the ideal characteristics for an amplifier (i.e. ideal value
ECE2280
1. (a) (b) (c) (d) (e) (f)
Homework #2
Spring 2010
Explain how an amplifier works in your own words. Explain in your own words what Ri is. Explain in your own words what Ro is. Describe the ideal characteristics for an amplifier (i.e. ideal value
1
Fundamentals of Digital System Design
ECE/CS 3700 Spring 2009, Homework # 5 Due Date: Wed, April 29 by 5pm in the HW locker.
1. (15 points) Generalized Counter Design: Interpreting counters as finite state machines. You are asked to design a "synchronou
SedraAppE.fm Page 1 Tuesday, October 20, 2009 8:16 PM
APPENDIX E
SINGLE-TIME-CONSTANT CIRCUITS
Introduction
Single-time-constant (STC) circuits are those circuits that are composed of or can be reduced to one reactive component (inductance or capacitance)
ECE2280
Homework #8
Spring 2010
1. (a) Assume the transistors below have a finite and an infinite Early voltage. Draw the small signal equivalent circuit (hybrid- or model T) (b) Write an expression for the input resistance Rin in the circuit shown. Your
ECE2280
Homework #7
Spring 2010
1. The terminal voltages of various npn transistors are measured during operation in their respective circuit with the following results: Case E B C Mode 1 0 0.7 0.7 beginning of active 2 0 0.8 0.1 saturation 3 -0.7 0 0.7 b
ECE2280
Homework #7
Spring 2010
1. The terminal voltages of various npn transistors are measured during operation in their respective circuit with the following results: Case E B C Mode 1 0 0.7 0.7 2 0 0.8 0.1 3 -0.7 0 0.7 4 -0.7 0 -0.6 5 -2.7 -2.0 0 6 0
ECE2280
Homework #6
+9V ID
Spring 2010
Use the circuit to the right for #1 and #2.
Use: Vt=2V kn(W/L)=4mA/V2 =0 VI = 10+0.002sin(20t) For DC analysis, assume that C3 the capacitors act as open. For AC analysis assume that the capacitors act as shorts. 1m
ECE2280
Homework #6
+9V ID
Spring 2010
Use the circuit to the right for #1 and #2.
Use: Vt=2V kn(W/L)=4mA/V2 =0 VI = 10+0.002sin(20t) For DC analysis, assume that C3 the capacitors act as open. For AC analysis assume that the capacitors act as shorts. 1m
ECE2280
Homework #5 mework
Spring 2010
1. Use: gm=100mA/V for the circuit below. Vsig is an AC signal source. (a) Derive the complete transfer function for Vo/Vsig. (Treat the capacitors as an impedence) (b) Find the low 3db frequency value, fL expressed
ECE2280
Homework #4
Spring 2010
1. Analyze the circuit shown below to determine the voltages (VD, VG, VS) at all nodes and the currents through all branches (5 currents). Let Vt=1.5V and kn(W/L)=2A/V2. Neglect the channel length modulation effect (i.e. =0
ECE2280
Homework #3 Solution
Spring 2010
1. Assume all diodes are identical and have VDO=0.7V, n=1, and VT=25mV. Use the constant voltage drop method. Verify that your assumption for the diode operation(i.e. on or off) are correct. Find the following maki
ECE2280
Homework #3
Spring 2010
1. Assume all diodes are identical and have VDO=0.7V, n=1, and VT=25mV. Use the constant voltage drop method. Verify that your assumption for the diode operation(i.e. on or off) are correct. Find the following making sure y