Basic Engineering Circuit Analysis
11th Edition
ISBN: 9781118539293
Author: J. David Irwin, R. Mark Nelms
Publisher: WILEY
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Textbook Question
Chapter 4, Problem 33P
For the circuit in Fig. P4.33, find the value of
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Question 4
OV
IT
R
ORE
Vz
-VDD
Figure Q4b
b)
The current sink shown in figure Q4b provides the amplifier
with improved common mode rejection ratio (CMRR)
i)
ii)
What is CMRR ?
Describe how the circuit works to maintain a constant
current, IT.
If a 5.6V zener was used, evaluate the value of RE
required to maintain a constant current, IT, of 200µA
via a transistor whose current gain is 100.
iv)
iii)
Sketch a current source version of figure Q4b
[Q4A] Design a circuit based on op-amp of 30 mA output which used to drive five LEDs
each one need 20 mA to work and ensure the LEDs (ON) even if one of LEDs
broken or damage. Then explain why you chosen this circuit and how this circuit
works.
4. a) Design the operational amplifier circuit of Figure Q4a to have an input resistance of
20 k2 and a time constant (RX C) of 15 us. What function does the circuit
perform?
Vg
Figure Q4a
Vo
5
Chapter 4 Solutions
Basic Engineering Circuit Analysis
Ch. 4 - An amplifier has a gain of 15 and the input...Ch. 4 - An amplifier has a gain of 5 and the output...Ch. 4 - An op-amp based amplifier has supply voltages of...Ch. 4 - For an ideal op-amp, the voltage gain and input...Ch. 4 - Revisit your answers in Problem 4.4 under the...Ch. 4 - Revisit the exact analysis of the inverting...Ch. 4 - Revisit the exact analysis of the inverting...Ch. 4 - An op-amp based amplifier has 18V supplies and a...Ch. 4 - Assuming an ideal op-amp, determine the voltage...Ch. 4 - Assuming an ideal op-amp, determine the voltage...
Ch. 4 - Assuming an ideal op-amp in Fig. P4.11, determine...Ch. 4 - Assuming an ideal op-amp, find the voltage gain of...Ch. 4 - Assuming an ideal op-amp in Fig. P4.13, determine...Ch. 4 - Determine the gain of the amplifier in Fig. P4.14....Ch. 4 - For the amplifier in Fig. P4.15, find the gain and...Ch. 4 - Using the ideal op-amp assumptions, determine the...Ch. 4 - Using the ideal op-amp assumptions, determine...Ch. 4 - In a useful application, the amplifier drives a...Ch. 4 - The op-amp in the amplifier in Fig. P4.19 operates...Ch. 4 - For the amplifier in Fig. P4.20, the maximum value...Ch. 4 - For the circuit in Fig. P4.21, (a) find Vo in...Ch. 4 - Find Vo in the circuit in Fig. P4.22, assuming...Ch. 4 - The network in Fig. P4.23 is a current-to-voltage...Ch. 4 - Prob. 24PCh. 4 - Determine the relationship between v1 and io in...Ch. 4 - Find Vo in the network in Fig. P4.26 and explain...Ch. 4 - Determine the expression for vo in the network in...Ch. 4 - Show that the output of the circuit in Fig. P4.28...Ch. 4 - Find vo in the network in Fig. P4.29.Ch. 4 - Find the voltage gain of the op-amp circuit shown...Ch. 4 - Determine the relationship between and in the...Ch. 4 - Prob. 32PCh. 4 - For the circuit in Fig. P4.33, find the value of...Ch. 4 - Find Vo in the circuit in Fig. P4.34.Ch. 4 - Find Vo in the circuit in Fig. P4.35.Ch. 4 - Determine the expression for the output voltage,...Ch. 4 - Determine the output voltage, of the noninverting...Ch. 4 - Find the input/output relationship for the current...Ch. 4 - Find V0 in the circuit in Fig. P4.39.Ch. 4 - Find Vo in the circuit in Fig. P4.40.Ch. 4 - Find the expression for in the differential...Ch. 4 - Find vo in the circuit in Fig. P4.42.Ch. 4 - Find the output voltage, vo, in the circuit in...Ch. 4 - The electronic ammeter in Example 4.7 has been...Ch. 4 - Given the summing amplifier shown in Fig. 4PFE-l,...Ch. 4 - Determine the output voltage V0 of the summing...Ch. 4 - What is the output voltage V0 in Fig. 4PFE-3. a....Ch. 4 - What value of Rf in the op-amp circuit of Fig....Ch. 4 - What is the voltage Vo in the circuit in Fig....
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What is a Power Amplifier, And Do I Need One?; Author: Sweetwater;https://www.youtube.com/watch?v=2wkmSm4V00M;License: Standard Youtube License