Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Textbook Question
Chapter 8, Problem D8.37P
A class−A transformer-coupled emitter follower must deliver 2W to an
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Chapter 8 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 8 - Prob. 8.1EPCh. 8 - Prob. 8.2EPCh. 8 - Prob. 8.3EPCh. 8 - Prob. 8.1TYUCh. 8 - Prob. 8.2TYUCh. 8 - Prob. 8.3TYUCh. 8 - Prob. 8.4EPCh. 8 - Prob. 8.5EPCh. 8 - Prob. 8.7EPCh. 8 - Prob. 8.4TYU
Ch. 8 - Prob. 8.5TYUCh. 8 - Prob. 8.6TYUCh. 8 - A transformercoupled emitterfollower amplifier is...Ch. 8 - Prob. 8.7TYUCh. 8 - Prob. 8.9EPCh. 8 - Prob. 8.11EPCh. 8 - Consider the classAB output stage shown in Figure...Ch. 8 - From Figure 8.36, show that the overall current...Ch. 8 - Prob. 1RQCh. 8 - Describe the safe operating area for a transistor.Ch. 8 - Why is an interdigitated structure typically used...Ch. 8 - Discuss the role of thermal resistance between...Ch. 8 - Define and describe the power derating curve for a...Ch. 8 - Define power conversion efficiency for an output...Ch. 8 - Prob. 7RQCh. 8 - Describe the operation of an ideal classB output...Ch. 8 - Discuss crossover distortion.Ch. 8 - What is meant by harmonic distortion?Ch. 8 - Describe the operation of a classAB output stage...Ch. 8 - Describe the operation of a transformercoupled...Ch. 8 - Prob. 13RQCh. 8 - Sketch a classAB complementary MOSFET pushpull...Ch. 8 - What are the advantages of a Darlington pair...Ch. 8 - Sketch a twotransistor configuration using npn and...Ch. 8 - Prob. 8.1PCh. 8 - Prob. 8.2PCh. 8 - Prob. 8.3PCh. 8 - Prob. 8.4PCh. 8 - Prob. 8.5PCh. 8 - Prob. D8.6PCh. 8 - A particular transistor is rated for a maximum...Ch. 8 - Prob. 8.8PCh. 8 - For a power MOSFET, devcase=1.5C/W , snkamb=2.8C/W...Ch. 8 - Prob. 8.10PCh. 8 - The quiescent collector current in a BiT is ICQ=3A...Ch. 8 - Prob. 8.12PCh. 8 - Prob. 8.13PCh. 8 - Prob. 8.14PCh. 8 - Prob. 8.15PCh. 8 - Prob. 8.16PCh. 8 - Consider the classA sourcefollower circuit shown...Ch. 8 - Prob. 8.18PCh. 8 - Prob. 8.19PCh. 8 - Prob. 8.20PCh. 8 - Prob. 8.21PCh. 8 - Consider an idealized classB output stage shown in...Ch. 8 - Consider an idealized classB output stage shown in...Ch. 8 - Prob. 8.24PCh. 8 - For the classB output stage shown in Figure P8.24,...Ch. 8 - Prob. 8.26PCh. 8 - Prob. 8.27PCh. 8 - Consider the classAB output stage in Figure P8.28....Ch. 8 - Prob. 8.29PCh. 8 - Prob. D8.30PCh. 8 - Prob. 8.31PCh. 8 - Prob. D8.32PCh. 8 - Consider the transformercoupled commonemitter...Ch. 8 - The parameters for the transformercoupled...Ch. 8 - A BJT emitter follower is coupled to a load with...Ch. 8 - Consider the transformercoupled emitter follower...Ch. 8 - A classA transformer-coupled emitter follower must...Ch. 8 - Repeat Problem 8.36 if the primary side of the...Ch. 8 - Consider the circuit in Figure 8.31. The circuit...Ch. 8 - Prob. D8.40PCh. 8 - The value of IBiass in the circuit shown in Figure...Ch. 8 - The transistors in the output stage in Figure 8.34...Ch. 8 - Consider the circuit in Figure 8.34. The supply...Ch. 8 - Prob. 8.44PCh. 8 - Prob. 8.45PCh. 8 - Consider the classAB MOSFET output stage shown in...Ch. 8 - Prob. 8.47PCh. 8 - Consider the classAB output stage in Figure P8.48....Ch. 8 - For the classAB output stage in Figure 8.36, the...
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- All field-effect transistors are unipolar rather than bipolar devices. That is, the main current through them is comprised either of through an N-type semiconductor * ..... .....arrow_forwarda) Given the choice between a MOSFE Open with for a high voltage application. State your selection with reasons. b) The parameters for the power MOSFET in the circuit shown in the Figure 1 are as follows: rise time, t₁ =2 µs; on resistance, Ros(on) = 0.202; duty cycle, D = 0.7; and switching frequency, f = 30 kHz. Determine: i. the power-loss in the on state. ii. the power-loss during the turn-on interval. Vos 100 V ID D S R₁ = 120 Figure 1 c) Draw a clearly labeled diagram of the thermal equivalent circuit of a transistor. d) The maximum junction temperature of a power transistor is T; = 150 °C and the ambient temperature is T₁ = 25 °C. If the thermal impedances are Rjc = 0.4 C/W, Rcs=0.1 °C/W, and RSA = 0.5 °C/W. Calculate, i. the maximum power dissipation. ii. the case temperature.arrow_forward2. A transformer-coupled class A amplifier drives an 8-ohm speaker through a 4:1 transformer. Using a power supply of Vcc = 36 V, the circuit delivers 3 W to the load. a. Calculate the following: i. Piecj across transformer primary. ii. Vuscd- ii. Vjac) at transformer primary. iv. The rms values of load and primary current. b. Draw the circuit diagram of a class A transformer-coupled amplifier using an npn transistor.arrow_forward
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