Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 6, Problem 6.48P
Consider the emitter−follower amplifier shown in Figure P6.48. The transistor parameters are
Figure P6.48
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Us
1. For the circuit in Figure 6.58, RE = 2 k, R1 = R2 = 50 k and the transistor parameters are ß =
100, VE B(on) = 0.7 V, and VA = 125 V. (a) Determine the small-signal voltage gain Av = vo/vs.
(b) Find the resistances Rib and Ro. (Ans. (a) Av = 0.925, (b) Rib = 4.37 k, Ro = 32.0)
3+1=
www
Vcc= +5 V
Rab 1
RE
Cc₂
IR₂
bot
Vo
R₁ =
500 £2
Figure 6.58 Figure for Exercises TYU 6.11.
Q6: Design a boost converter to provide an output voltage of 36V from a 24V source. The load is
50W. The voltage ripple factor must be less than 0.5%.
(a)Specify the duty cycle ratio,
(b)Inductor and capacitor size,
(c)and power device.
1. For the following circuit assume re = 30.6 1
a. Draw the small signal equivalent circuit.
b. Find the input impedance.
c. Find output impedance.
d. Find the voltage gain.
e. Find the current gain.
4.72
10F
Chapter 6 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 6 - The circuit parameters for the circuit in Figure...Ch. 6 - For the circuit in Figure 6.3, assume transistor...Ch. 6 - For the circuit in Figure 6.14(a), let =90 ,...Ch. 6 - Using the circuit and transistor parameters given...Ch. 6 - Consider the circuit in Figure 6.18. The circuit...Ch. 6 - Repeat Example 6.4 if the quiescent collector...Ch. 6 - For the circuit in Figure 6.31, let RE=0.6k ,...Ch. 6 - Prob. 6.6EPCh. 6 - The parameters of the circuit shown in Figure 6.28...Ch. 6 - For the circuit shown in Figure 6.31, let =100 ,...
Ch. 6 - Design the circuit in Figure 6.35 such that it is...Ch. 6 - For the circuit in Figure 6.28, the smallsignal...Ch. 6 - The circuit in Figure 6.38 has parameters V+=5V ,...Ch. 6 - For the circuit in Figure 6.39, let =125 ,...Ch. 6 - (a) Assume the circuit shown in Figure 6.40(a) is...Ch. 6 - For the circuit in Figure 6.39, let =125 ,...Ch. 6 - Reconsider the circuit in Figure 6.38. Let =120 ,...Ch. 6 - For the circuit shown in Figure 6.48, let =120 ,...Ch. 6 - For the circuit in Figure 6.31, use the parameters...Ch. 6 - Consider the circuit in Figure 6.38. Assume...Ch. 6 - For the circuit shown in Figure 6.49, let VCC=12V...Ch. 6 - Consider the circuit and transistor parameters...Ch. 6 - For the circuit in Figure 6.54, the transistor...Ch. 6 - Assume the circuit in Figure 6.57 uses a 2N2222...Ch. 6 - For the circuit in Figure 6.58, RE=2k , R1=R2=50k...Ch. 6 - Prob. 6.12TYUCh. 6 - For the circuit shown in Figure 6.63, the...Ch. 6 - Prob. 6.14TYUCh. 6 - For the circuit shown in Figure 6.64, let RS=0 ,...Ch. 6 - Consider the circuit in Figure 6.70(a). Let =100 ,...Ch. 6 - In the circuit in Figure 6.74 the transistor...Ch. 6 - Discuss, using the concept of a load line, how a...Ch. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Sketch the hybrid- equivalent circuit of an npn...Ch. 6 - Prob. 5RQCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQCh. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Sketch a simple emitter-follower amplifier circuit...Ch. 6 - Sketch a simple common-base amplifier circuit and...Ch. 6 - Compare the ac circuit characteristics of the...Ch. 6 - Prob. 13RQCh. 6 - Prob. 14RQCh. 6 - (a) Determine the smallsignal parameters gm,r ,...Ch. 6 - (a) The transistor parameters are =125 and VA=200V...Ch. 6 - A transistor has a current gain in the range 90180...Ch. 6 - The transistor in Figure 6.3 has parameters =120...Ch. 6 - Prob. 6.5PCh. 6 - For the circuit in Figure 6.3, =120 , VCC=5V ,...Ch. 6 - The parameters of each transistor in the circuits...Ch. 6 - The parameters of each transistor in the circuits...Ch. 6 - The circuit in Figure 6.3 is biased at VCC=10V and...Ch. 6 - For the circuit in Figure 6.14, =100 , VA= ,...Ch. 6 - Prob. 6.11PCh. 6 - The parameters of the transistor in the circuit in...Ch. 6 - Assume that =100 , VA= , R1=33k , and R2=50k for...Ch. 6 - The transistor parameters for the circuit in...Ch. 6 - For the circuit in Figure P6.15, the transistor...Ch. 6 - Prob. D6.16PCh. 6 - The signal source in Figure P6.18 is s=5sintmV ....Ch. 6 - Consider the circuit shown in Figure P6.19 where...Ch. 6 - Prob. 6.20PCh. 6 - Figure P6.21 The parameters of the transistor in...Ch. 6 - Prob. 6.22PCh. 6 - For the circuit in Figure P6.23, the transistor...Ch. 6 - The transistor in the circuit in Figure P6.24 has...Ch. 6 - For the transistor in the circuit in Figure P6.26,...Ch. 6 - If the collector of a transistor is connected to...Ch. 6 - Consider the circuit shown in Figure P6.13. Assume...Ch. 6 - For the circuit in Figure P6.15, let =100 , VA= ,...Ch. 6 - Consider the circuit in Figure P6.19. The...Ch. 6 - The parameters of the circuit shown in Figure...Ch. 6 - Consider the circuit in Figure P6.26 with...Ch. 6 - For the circuit in Figure P6.20, the transistor...Ch. 6 - In the circuit in Figure P6.22 with transistor...Ch. 6 - For the circuit in Figure P6.24, the transistor...Ch. 6 - Prob. 6.40PCh. 6 - Consider the ac equivalent circuit in Figure...Ch. 6 - For the ac equivalent circuit in Figure P6.42,...Ch. 6 - The circuit and transistor parameters for the ac...Ch. 6 - Consider the circuit in Figure P6.45. The...Ch. 6 - For the transistor in Figure P6.47, =80 and...Ch. 6 - Consider the emitterfollower amplifier shown in...Ch. 6 - The transistor parameters for the circuit in...Ch. 6 - In the circuit shown in Figure P6.51, determine...Ch. 6 - The transistor current gain in the circuit shown...Ch. 6 - Consider the circuit shown in Figure P6.47. The...Ch. 6 - For the circuit in Figure P6.54, the parameters...Ch. 6 - Figure P6.59 is an ac equivalent circuit of a...Ch. 6 - The transistor in the ac equivalent circuit shown...Ch. 6 - Consider the ac equivalent commonbase circuit...Ch. 6 - Prob. 6.62PCh. 6 - The transistor in the circuit shown in Figure...Ch. 6 - Repeat Problem 6.63 with a 100 resistor in series...Ch. 6 - Consider the commonbase circuit in Figure P6.65....Ch. 6 - For the circuit shown in Figure P6.66, the...Ch. 6 - The parameters of the circuit in Figure P6.67 are...Ch. 6 - For the commonbase circuit shown in Figure P6.67,...Ch. 6 - Consider the circuit shown in Figure P6.69. The...Ch. 6 - In the circuit of Figure P6.71, let VEE=VCC=5V ,...Ch. 6 - Consider the ac equivalent circuit in Figure...Ch. 6 - The transistor parameters in the ac equivalent...Ch. 6 - Consider the circuit shown in Figure 6.38. The...Ch. 6 - For the circuit shown in Figure 6.57, the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Coonsider the common emitter amplifier shown in figure below. Assume a β of 100, VBE = 0.7V, VT = 25mA and VA = 100V. Draw an equivalent DC model and determine the rπ, transconductance (gm) and ro. Draw an equaivalent AC model using the small-signal model Find an expression for vbe and vo in terms of the input voltagearrow_forwardI need to design a multi stage amplifier with the following specs:arrow_forwardWe examined the common source amplifier shown in the figure in the 5th experiment. The selection criterion of the input capacitance is XCin = 0.1Rin. Calculate the required input capacitance value, Cin , if an input signal with a frequency of 4 kHz is applied.arrow_forward
- 6.12 The parameters of the transistor in the circuit in Figure P6.12 are ß = 150 and VA = 0. (a) Determine R1 and R2 to obtain a bias-stable circuit with the Q-point in the center of the load line. (b) Determine the small-signal voltage gain A, = v,/vs. v* = +5 V Rc=1.2 kQ Cc R2 Rg = 0.2 k2 V==-5V Figure P6.12arrow_forwardCompare hybrid model circuit and re model circuits. Which circuit are you going to recommend in solving AC signal amplifier stage. Defend your answerarrow_forwardGiven the MOSFET in Figure 6 has bran) = 200 mA at VGs = 4 V and V(Tn) = 2 V; i. Plot the transfer characteristic curve for the MOSFET. b) i. Determine the operating point Vasa, Ioa and Vosa for the circuit. ii. Calculate the value of the transconductance gm at the Q-point. iv. Determine the voltage gain and input impedance of the amplifier. 15 V 1 kn. Coe 1.5 M2. Cin 33 kn. Vn 30 ka Figure 6arrow_forward
- The parameters for each transistor in the circuit shown in Figure P6.75 areβ = 100 and VA = ∞. (a) Determine the small-signal parameters gm , rπ ,and ro for both transistors. (b) Determine the small-signal voltage gainAv1 = vo1/vs, assuming vo1 is connected to an open circuit, and determinethe gain Av2 = vo/vo1. (c) Determine the overall small-signal voltage gainAv = vo/vs. Compare the overall gain with the product Av1 · Av2, using thevalues calculated in part (b)arrow_forward2. Determine the drift in the Q-point for the two biasing circuits and therefore compare their bias stabilities. -59-arrow_forward(a) Determine the input impedance of base if beta = 200(b) Determine the input impedance if Rc is changed to 680 ohm.(c) Draw the ac-equivalent circuit with beta = 150 (using T model).(d) Double all the resistances then, draw the ac-equivalent circuit for an ac current gain of300 (using Pi Model).arrow_forward
- 11. What is the configuration of the given amplifier circuit below?12. How are the coupling capacitors treated in the figure of #11 at AC?arrow_forward7 The function of a loudspeaker crossover network is to channel frequencies higher than a given crossover frequency, f-, into the high-frequency speaker (tweeter) and frequencies below f. into the low-frequency speaker (woofer). Figure P6.37 shows an approximate equivalent circuit where the amplifier is represented as a voltage source with zero internal resistance and each speaker acts as an 8-2 resistance. If the crossover frequency is chosen to be 1,200 Hz, evaluate C and L. Hint: The break frequency would be a reasonable value to set as the crossover frequency. 10 Vms R1 R2 R1 = R2 = 8 2 wwarrow_forwardCOMMON EMITTER AMPLIFIER CIRCUIT Choose appropriate parameters for the CE amplifier circuit (shown in figure) with a sinusoidal input of amplitude equal to 6mV and a gain of 1.9. Find Vout Choose appropriate parameters and solve the above question.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:PEARSON
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Programmable Logic Controllers
Electrical Engineering
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:9780078028229
Author:Charles K Alexander, Matthew Sadiku
Publisher:McGraw-Hill Education
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:9780134746968
Author:James W. Nilsson, Susan Riedel
Publisher:PEARSON
Engineering Electromagnetics
Electrical Engineering
ISBN:9780078028151
Author:Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:Mcgraw-hill Education,
02 - Sinusoidal AC Voltage Sources in Circuits, Part 1; Author: Math and Science;https://www.youtube.com/watch?v=8zMiIHVMfaw;License: Standard Youtube License