3. For the power amplifier circuit in Figure A: a) Calculate the power input and power output if the input signal results in a base current of 5 mA. b) Calculate the input power dissipated by the circuit if RB is changed to 2.2kn. c) Find the maximum output power that can be delivered by the circuit if RB is changed to 3 kn?

3. For the power amplifier circuit in Figure A: a) Calculate the power input and power output if the input signal results in a base current of 5 mA. b) Calculate the input power dissipated by the circuit if RB is changed to 2.2kn. c) Find the maximum output power that can be delivered by the circuit if RB is changed to 3 kn?

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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EX2: (Buck dc-dc converter. Evaluation of the output voltage ripple) A buck converter has the following specifications: Vin= dc input voltage =50 V, D = duty cycle=D0.4, L=400 µH, C=100 µF f,= switching frequency = 20 kHz, R=20 2 Assuming that the converter is ideal, calculate: a) The output voltage. b) The maximum and minimum inductor current values. c) The output voltage ripple.
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N
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