Quiz 3
ECE 342 Spring 2004
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SHOW YOUR WORK! Derive the equations needed to nd your answers. No unjustied formulas
allowed!
1) Find the Q point conditions ICQ, gm, and 77T for each BJT in the circuit below. In
Midterm 2
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ECE 342
Spring 2005
UID#
1) The frequency response plot below is for a voltage amplier. Use the plot to estimate the following
values:
(10 points)
(a) The mid-frequency gain Amid in decibels
(b) The mid-fre
Midterm 1
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ECE 342
Spring 2005
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1) You must do the following: Assume that the diode is OFF and show that this is NOT correct. Now
use the battery ON model for the diode with VON = 0.7V and nd ID . Show all of your
Final Exam
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ECE 342
Spring 2005
UID#
You must show all of your work.
1) Find the AC (small signal) gain vO for the amplier circuit below. You may assume that Q1 =
vI
Q2 = Q3 , = 300, VT = 0.025, VA = 100 volts, and th
Makeup Final Exam
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FIRST Name
ECE 342
Spring 2004
UID#
You must show all of your work.
1) Find the AC (small signal) gain vO for the amplier circuit below. You may assume that Q1 =
vI
Q2 = Q3 , = 300, VT = 0.025, VA = 100 volts,
Quiz 10
ECE 342 Spring 2004
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1) The frequency response plot below is for loop gain A(3)B of a voltage amplier with negative
feedback. Use the plot to determine the following : (10 points)
(a) The DC loop gain A