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 8.7P
A particular transistor is rated for a maximum power dissipation of 60W if the case temperature is at
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From the transistor collector characteristic shown, determine βac for an operating point of IB = 150μA and VCE = 6V.
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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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- Q2. For the circuit given in the figure below β=75. Calculate the value of VI that produces VO equal to 4 V for RE= 4 kΩ, RE = 34 kΩ, Assuming that RE = 34 kΩ, calculate; c-) VRB (voltage drop accross RB) d-) IB e-) IC f-) Voltage VCE. g-) Propose a method to drive the transistor into saturation.arrow_forwardAnswer as soon as possible, I'll give upvote. For the transistors in the circuit shown: k1=4 mA/V2, k2=2 mA/V2, VTH1=VTH2=−0.5 V. Fill the table given and justify the operating modes indicated.arrow_forwardSince Vcc = 12 V, Vin = 721 mV, RB = 780 kohm, RC1 = 14.8 ohm, RC2 = 27.5 ohm, RE = 470 ohm, RL = 47 Q2 and B1 = B2= 100 in the circuit in the figure Find the current (1) flowing through RL? NOTE-1: VBE1 = VBE2 = 0.7 V will be taken. NOTE-2: The output impedances (ro) of the transistors will be neglected.arrow_forward
- In an NPN transistor with voltage divider bias, if the overvoltage divider resistor (one connected to V_cc) is turned on, which of the following is it? Please select one: a. transistor enters the cutting b. the transistor goes into saturation c. supply voltage is too high d. transistor lights uparrow_forwardIf the circuit of problem 2 is configured as a common-emitter amplifier, calculate the resulting voltage and current gain. Assume a load resistor of 1k ohm. Circuit of problem 2: determine the operating point of a universal trasnsistor DC bias cirucit when Vcc=15V, R1=10k ohm, R2=2.2k ohm, Rc=680 ohm, Re=100 ohm. Assume beta (b)=200 and Vbe=0.72V.arrow_forwardThe collector leakage current in a transistor is 300 μA in CE arrangement. If now the transistor is connected in CB arrangement, what will be the leakage current? Assume β = 120arrow_forward
- Since Vcc = 12 V, Vin = 690 mV, RB = 780 kΩ, RC1 = 27.9 Ω, RC2 = 25.4 Ω, RE = 470 Ω, RL = 47 Ω and β1 = β2 = 100 in the circuit in the figure Find the current (IL) flowing through RL? NOTE-1: VBE1 = VBE2 = 0.7 V will be taken. NOTE-2: Output impedances of transistors (r0) will be neglected.arrow_forwardThe magnitudes of a pnp transistor’s emitter andbase currents are 6 and 0.1 mA, respectively. Themagnitudes of the voltages across the emitter-base andcollector-base junctions are 0.65 and 7.3 V. Finda. VCE.b. IC.c. The total power dissipated in the transistor, definedhere as P = VCEIC + VBE IB.arrow_forward1. Use the figure below to solve following questions (a) Solve the following dc quantitiesi. VB(Q1)ii. VE(Q1)iii. IE(Q1)iv. VC(Q1)v. VB(Q2)vi. VE(Q2)vii. IE(Q2)viii. VC(Q2)(b) Suppose that the emitter follower is omitted and the output from thecollector of Q1 is capacitively coupled to the 250Ω load, RL. What isthe output voltage across the 250Ω load?arrow_forward
- Since Vcc = 12 V, Vin = 690 mV, RB = 780 kΩ, RC1 = 27.9 Ω, RC2 = 25.4 Ω, RE = 470 Ω, RL = 47 Ω and β1 = β2 = 100 in the circuit in the figure Find the current (IL) flowing through RL? NOTE-1: VBE1 = VBE2 = 0.7 V will be taken. NOTE-2: Output impedances of transistors (r0) will be neglected. a. 16,56 mA b. 23,46 mA c. 8,28 mA d. 17,94 mA e. 20,70 mA f. 13,80 mA g. 26,22 mA h. 11,04 mAarrow_forwardConsider the following common emitter amplifier: Discuss the LIMITATIONS of this circuit in terms of linearity and in terms of impedance matching. I just need the constraints of the circuit, like for example the operating point of the transistor and more.In the images, the graphics are:With the number 1: input-output curveThen a simulation was performed and obtained:With number 2: input-output curveWith number 3: more detailed input-output curveWith number 4: input-output curvePlease I just need the limitations of the circuit based on these graphs.arrow_forwardAn npn transistor with IS = 1 × 10−16 μA, αF =0.975, and αR = 0.5 is operating with VB E = 0.70 Vand VBC = 0.50 V. By definition, this transistor isoperating in the saturation region. However, in thediscussion it was noted that this transistor actually behaves as if it is still in the forwardactive region even though VBC > 0. Why? Use thetransport model equations to justify your answerarrow_forward
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