Question 1 In a Common Base configuration BJT has input impedance and output impedance. O low, low O High, low low, High O High, High Question 2 Which of the following statement/s is/are correct regarding the CB Configuration amplifier? A). Current gain of an ideal Common base amplifier is unity. B). Voltage gain is unity. C). The Phase between input and output is 180°. OB & C OA OB ○ A & B

Question 1 In a Common Base configuration BJT has input impedance and output impedance. O low, low O High, low low, High O High, High Question 2 Which of the following statement/s is/are correct regarding the CB Configuration amplifier? A). Current gain of an ideal Common base amplifier is unity. B). Voltage gain is unity. C). The Phase between input and output is 180°. OB & C OA OB ○ A & B

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Q.5/ Refer to the class AB amplifier in figure below operating with a single power supply:a. Find the dc parameters VB(Q1), VB(Q2), VE, ICQ, VCEQ(Q1), VCEQ(Q2).b. Assuming the input voltage is 10Vpp, calculate the power delivered to the load resistor.c. What faults causing the following troubles:1. A positive half-wave output signal2. 0V on both bases and emitters3. No output: emitter voltage =15V4. Crossover distortion on the output.
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Q.5/ Refer to the class AB amplifier in figure below operating with a single power supply: a. Find the de parameters VB(Q1), VB(Q2), VE, IcQ, VCEQ(QI), VCEQ(Q2). b. Assuming the input voltage is 10oVpp, calculate the power delivered to the load resistor. c. What faults causing the following troubles: 1. A positive half-wave output signal 2. OV on both bases and emitters 3. No output: emitter voltage =15V 4. Crossover distortion on the output. Vcc +15 V R 1.0 kN C3 C2 D2 Q2 RL V 75 N 1.0 kN
Consider Figure 1 and determine as follows. i. Draw the dc and ac equivalent circuits for the common-source amplifier. ii. Determine Ip, VGs, and VDs for a centred Q-point. Idss=15 mA, and VGS(OFF)= -4 V. iii. Determine the voltage gain, Ay. iv. What happen to the voltage gain, A, if RL is increased to 6.6 kN. VDD +15 V Rp 820 N C3 Vout 1 µF Vin RL 3.3 kN 0.1 μF RG 10 MQ Rs 220 N C2 1 μF
This problem is AC analysis problem. DC analysis is not needed to answer the question. A) Convert this bias circuit into a bypassed common source amplifier that has an output across a load resistor (RL). To do this you should draw three capacitors on the figure below, an input voltage source, and any resistors you think that should be added. B) In the space below the figure, Draw the hybrid n model for this amplifier circuit including all voltages and resistors. Label Vi, Vgs, and vo on the model. Assume the capacitors you add act as short circuits at AC. Be sure to include resistors R1, R2, R3, R4, and RL in the hybrid pi model. > When you "verify" a mode of operation you will need to calculate all three voltages (Vc, V8, VE for BJTS and VG, Vs, Vo for MOSFETS) and show the correct two conditions are satisfied. > Assume Capacitors acts like open circuits at DC and short circuits for AC. > Assume the following: o Beta = 100 O VBE = 0.7 12V o V (Thermal) = 26 mV o V (Threshold) = 2V O…