EBK ELECTRIC MOTOR CONTROL
10th Edition
ISBN: 9780100784598
Author: Herman
Publisher: YUZU
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Question
Chapter 58, Problem 11SQ
To determine
Mention an electronic device which is connected between a load and line when control output device is rated at AC voltage of 120 volts.
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Students have asked these similar questions
1) Show that a regenerative receiver can be used to recover message from the following modulated
signals.
a. DSB-PC
b. DSB-SC
1b) Does the receiver need to recover the carrier phase?
1c) What are the filtering requirements and restrictions on message signal bandwidth and carrier
frequency.
2) Estimate the transmission bandwidth for the following FM modulated signals (W is the message
bandwidth)
a) W1KHz and frequency deviation of 75KHz
b) W = 20KHz and frequency deviation of 75KHz
c) W1KHz and frequency deviation of 150KHz
d) W20KHz and frequency deviation of 150KHZ
I want to explain how the result becomes (735.1) Hz)
and what are the steps and explain the reasons?
Q6 The FET shown in Fig. 1.43 has gm = 3.4mS and ra =100 K. Find the approximate
lower cutoff frequency. Ans: 735.1 Hz.
25V
2ΚΩ
1.5ΜΩ
0.02µF
0.02µF
20 ΚΩ
330kQ
820 ΩΣ
OpF
Fig. 1.43 Circuit for Q6.
40ΚΩ
Chapter 58 Solutions
EBK ELECTRIC MOTOR CONTROL
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