Microelectronics: Circuit Analysis and Design
Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Chapter 8, Problem 8.9P

For a power MOSFET, θ d e v c a s e = 1.5 °C/W , θ s n k a m b = 2.8 °C/W , and θ c a s e s n k = 0.6 °C/W . The ambient temperature is 25 °C . (a) If the maximum junction temperature is limited to T j , max = 120 °C , determine the maximum allowed power dissipation. (b) Using the results of part (a), determine the temperature of the case and heat sink.

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(b) Determine the peak voltage of the Vs.TM (a) Determine the average voltage of Vo. 5 URM supply voltage, Vs, is a sinusoidal AC signal. The produced output, Vo, is a fluctuating DC signal with ripple peak-to-peak voltage of 1.58 V. Figure B.2 shows a circuit using two silicon diodes with knee voltage of 0.7 V. The UTM UTM S; TM 3 UTM E UTM2:2 DI UTM UTM 50 Hz &UTM UTM 8 UTM 5 UTM TM UTM 50 μ F RL UTM UTM UTM TOTM D, &UTM TM & UTM STM (b) Determine the peak voltage of the Vs. (a) Determine the average voltage of Vo. K UTM Figure B.2 UTM (c) Consider when UTM UTM & UTM waveform of Vo with complete labelling. Ci is removed from the circuit (i.e, open circuit). Draw the FUT O UTM UTM
e average voltage of Vo. 5 URM U 2 Figure B.2 shows a circuit using two silicon diodes with knee voltage of 0.7 V. The supply voltage, Vs, is a sinusoidal AC signal. The produced output, Vo, is a fluctuating DC signal with ripple peak-to-peak voltage of I.58 V. & UTM UTM UTM STM DI 5 UTM O UTM 50 Hz &UTM UTM UTM 5 UTM UTM UTM 50 µF RL UTM & UTM D2 &UTM/ UTMTUTM (a) Determine the SITM (b) Determine the peak voltage of the Vs. 5 UTM (c) Consider UTM &UTM & UTM waveform of Vo with complete labelling. en Ci is removed from the circuit (i.e. open circuit). Draw the 5 UTM & UTM UTM U1 A TM 5 UTM UTM TM 5 UTM UTM
Explain the two types of MOSFETs (draw the physical structure as well). Also explain themajor difference between them regarding mode of operation?

Chapter 8 Solutions

Microelectronics: Circuit Analysis and Design

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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How a MOSFET Works - with animation! | Intermediate Electronics; Author: CircuitBread;https://www.youtube.com/watch?v=Bfvyj88Hs_o;License: Standard Youtube License