MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
4th Edition
ISBN: 9781266368622
Author: NEAMEN
Publisher: MCG
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Chapter 11, Problem 11.5TYU
To determine
The value of minimum mismatch in the transconductance such that common mode rejection ratio is 90dB
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Chose the correct answer:
1- A squirrel cage induction motor is not selected when
(A) initial cost is the main consideration (B) maintenance cost is to be kept low
(C) higher starting torque is the main consideration (D) all above considerations are involved
2- The torque of an induction motor is ..............
(A) directly proportional to slip (B) inversely proportional to slip...
(C) proportional to the square of the slip (D) none of the above
3- Insertion of resistance in the stator of an induction motor.
(A) increases the load torque (B) decreases the starting torque
(C) increases the starting torque (D) none of above
tool to slip
10 or of the above
4- Increase in the length of air-gap in the induction motor results in the increasing of its
(A) air-gap flux (B) magnetizing current
(C) speed (D) power factor
5- In cumulatively cascade method for speed controlling, if PA is the number of poles of main motor and
PB is the number of poles of auxiliary motor. Then the speed of the set…
Chose the correct answer:
1- The resultant flux in stator winding of three-phase induction motor is equal to
(A) Maximum value of flux due to any phase
(B) Twice of the maximum value of flux due to any phase.
(C) 0.5 times the maximum value of flux due to any phase
(D) 1.5 times the maximum value of flux due to any phase
2- Which one of the following starters cannot be used for 3-phase, star - connected, slip-ring induction
motor?
(A) Auto-transformer starter (B) Star-delta starter
(C) Direct-on-line starter
(D) Rotor resistance starter
3- The crawling in the induction motor is caused by..............
(A) low voltage supply (B) high loads
(D) improper design of the machine
(C) harmonics developed in the motor
4- The 'cogging' of an induction motor can be avoided by...........
(A) good ventilation
(B) using DOL starter
(C) star-connecting of stator winding
(D) having number of rotor slots more or less than the number of stator slots
5- The method which can be used for the speed control…
Chapter 11 Solutions
MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
Ch. 11 - The circuit parameters for the differential...Ch. 11 - Consider the de transfer characteristics shown in...Ch. 11 - Prob. 11.1CSPCh. 11 - Consider the diff-amp described in Example 11.3 ....Ch. 11 - Prob. 11.4EPCh. 11 - Prob. 11.1TYUCh. 11 - Prob. 11.2TYUCh. 11 - Assume the differential-mode gain of a diff-amp is...Ch. 11 - Prob. 11.5EPCh. 11 - Consider the diff-amp shown in Figure 11.15 ....
Ch. 11 - Prob. 11.7EPCh. 11 - Prob. 11.4TYUCh. 11 - Prob. 11.5TYUCh. 11 - The parameters of the diff-amp shown in Figure...Ch. 11 - For the differential amplifier in Figure 11.20,...Ch. 11 - The parameters of the circuit shown in Figure...Ch. 11 - The circuit parameters of the diff-amp shown in...Ch. 11 - Consider the differential amplifier in Figure...Ch. 11 - The diff-amp in Figure 11.19 is biased at IQ=100A....Ch. 11 - Prob. 11.10TYUCh. 11 - The diff-amp circuit in Figure 11.30 is biased at...Ch. 11 - Prob. 11.11EPCh. 11 - Prob. 11.12EPCh. 11 - Prob. 11.11TYUCh. 11 - Prob. 11.12TYUCh. 11 - Redesign the circuit in Figure 11.30 using a...Ch. 11 - Prob. 11.14TYUCh. 11 - Prob. 11.15TYUCh. 11 - Prob. 11.16TYUCh. 11 - Prob. 11.17TYUCh. 11 - Consider the Darlington pair Q6 and Q7 in Figure...Ch. 11 - Prob. 11.14EPCh. 11 - Consider the Darlington pair and emitter-follower...Ch. 11 - Prob. 11.19TYUCh. 11 - Prob. 11.15EPCh. 11 - Consider the simple bipolar op-amp circuit in...Ch. 11 - Prob. 11.17EPCh. 11 - Define differential-mode and common-mode input...Ch. 11 - Prob. 2RQCh. 11 - From the dc transfer characteristics,...Ch. 11 - What is meant by matched transistors and why are...Ch. 11 - Prob. 5RQCh. 11 - Explain how a common-mode output signal is...Ch. 11 - Define the common-mode rejection ratio, CMRR. What...Ch. 11 - What design criteria will yield a large value of...Ch. 11 - Prob. 9RQCh. 11 - Define differential-mode and common-mode input...Ch. 11 - Sketch the de transfer characteristics of a MOSFET...Ch. 11 - Sketch and describe the advantages of a MOSFET...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Describe the loading effects of connecting a...Ch. 11 - Prob. 16RQCh. 11 - Prob. 17RQCh. 11 - Prob. 18RQCh. 11 - (a) A differential-amplifier has a...Ch. 11 - Prob. 11.2PCh. 11 - Consider the differential amplifier shown in...Ch. 11 - Prob. 11.4PCh. 11 - Prob. D11.5PCh. 11 - The diff-amp in Figure 11.3 of the text has...Ch. 11 - The diff-amp configuration shown in Figure P11.7...Ch. 11 - Consider the circuit in Figure P11.8, with...Ch. 11 - The transistor parameters for the circuit in...Ch. 11 - Prob. 11.10PCh. 11 - Prob. 11.11PCh. 11 - The circuit and transistor parameters for the...Ch. 11 - Prob. 11.13PCh. 11 - Consider the differential amplifier shown in...Ch. 11 - Consider the circuit in Figure P11.15. The...Ch. 11 - Prob. 11.16PCh. 11 - Prob. 11.17PCh. 11 - For the diff-amp in Figure 11.2, determine the...Ch. 11 - Prob. 11.19PCh. 11 - Prob. D11.20PCh. 11 - Prob. 11.21PCh. 11 - The circuit parameters of the diff-amp shown in...Ch. 11 - Consider the circuit in Figure P11.23. Assume the...Ch. 11 - Prob. 11.24PCh. 11 - Consider the small-signal equivalent circuit of...Ch. 11 - Prob. D11.26PCh. 11 - Prob. 11.27PCh. 11 - A diff-amp is biased with a constant-current...Ch. 11 - The transistor parameters for the circuit shown in...Ch. 11 - Prob. D11.30PCh. 11 - For the differential amplifier in Figure P 11.31...Ch. 11 - Prob. 11.32PCh. 11 - Prob. 11.33PCh. 11 - Prob. 11.34PCh. 11 - Prob. 11.35PCh. 11 - Prob. 11.36PCh. 11 - Consider the normalized de transfer...Ch. 11 - Prob. 11.38PCh. 11 - Consider the circuit shown in Figure P 11.39 . The...Ch. 11 - Prob. 11.40PCh. 11 - Prob. 11.41PCh. 11 - Prob. 11.42PCh. 11 - Prob. 11.43PCh. 11 - Prob. D11.44PCh. 11 - Prob. D11.45PCh. 11 - Prob. 11.46PCh. 11 - Consider the circuit shown in Figure P 11.47 ....Ch. 11 - Prob. 11.48PCh. 11 - Prob. 11.49PCh. 11 - Prob. 11.50PCh. 11 - Consider the MOSFET diff-amp with the...Ch. 11 - Consider the bridge circuit and diff-amp described...Ch. 11 - Prob. D11.53PCh. 11 - Prob. 11.54PCh. 11 - Prob. 11.55PCh. 11 - Consider the JFET diff-amp shown in Figure P11.56....Ch. 11 - Prob. 11.57PCh. 11 - Prob. 11.58PCh. 11 - Prob. D11.59PCh. 11 - The differential amplifier shown in Figure P 11.60...Ch. 11 - Prob. 11.61PCh. 11 - Consider the diff-amp shown in Figure P 11.62 ....Ch. 11 - Prob. 11.63PCh. 11 - The differential amplifier in Figure P11.64 has a...Ch. 11 - Prob. 11.65PCh. 11 - Consider the diff-amp with active load in Figure...Ch. 11 - The diff-amp in Figure P 11.67 has a...Ch. 11 - Consider the diff-amp in Figure P11.68. The PMOS...Ch. 11 - Prob. 11.69PCh. 11 - Prob. 11.70PCh. 11 - Prob. D11.71PCh. 11 - Prob. D11.72PCh. 11 - An all-CMOS diff-amp, including the current source...Ch. 11 - Prob. D11.74PCh. 11 - Consider the fully cascoded diff-amp in Figure...Ch. 11 - Consider the diff-amp that was shown in Figure...Ch. 11 - Prob. 11.77PCh. 11 - Prob. 11.78PCh. 11 - Prob. 11.79PCh. 11 - Prob. 11.80PCh. 11 - Consider the BiCMOS diff-amp in Figure 11.44 ,...Ch. 11 - The BiCMOS circuit shown in Figure P11.82 is...Ch. 11 - Prob. 11.83PCh. 11 - Prob. 11.84PCh. 11 - For the circuit shown in Figure P11.85, determine...Ch. 11 - The output stage in the circuit shown in Figure P...Ch. 11 - Prob. 11.87PCh. 11 - Consider the circuit in Figure P11.88. The bias...Ch. 11 - Prob. 11.89PCh. 11 - Consider the multistage bipolar circuit in Figure...Ch. 11 - Prob. D11.91PCh. 11 - Prob. 11.92PCh. 11 - For the transistors in the circuit in Figure...Ch. 11 - Prob. 11.94PCh. 11 - Prob. 11.95PCh. 11 - Prob. 11.96PCh. 11 - Consider the diff-amp in Figure 11.55 . The...Ch. 11 - The transistor parameters for the circuit in...
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