Q1. Choose the correct answer for the following: (1. When the stopband of a BSF is 5 kHz and the cut-off frequency of the HPF in the parallelcircuit is 20 kHz, the cut-off of the LPF is approximately:3) 15 kHzb) 20 kHzc) 30 kHzd) 35 kHz2. If the carrier frequency received by AM receiver is 1.2 MHz, the local oscillator should beset on one of the following frequencies:a) 1.2 MHzb) 455 kHzc) 2.4 MHzd) 1,655 MHz3. Image frequencies in AM superheterodyne receivers are removed by:a) Low pass filterb) Band pass filtersc) The IF staged) The mixer4. If the frequency of the input signal is 500 kHz, and the transistor in class C amplifierconducts for 5% of the cycle time, the conduction time isa) 2 µsb) 0.2 µsc) 5 µsd) 0.5 µs5. A carrier signal of 0.5 MHz is AM modulated by another signal of 10 kHz, the outputs of thebalanced modulator are the following frequencies:a) 410 kHz, 510 kHzb) 490 kHz, 510 kHz, 500 kHzc) 490 kHz, 510 kHzd) 0.5 MHz, 0.51 MHz, 0.48 MHz6. In class C amplifier, if the power supply is 12 V and the tank circuit has a resistance of 80 ,the maximum output power isa) 1.44 Wb) 1.44 mWc) 900 mWd) 288 mW

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Q1. Choose the correct answer for the following: ( 1. When the stopband of a BSF is 5 kHz and the cut-off frequency of the HPF in the parallel circuit is 20 kHz, the cut-off of the LPF is approximately: a) 15 kHz b) 20 kHz c) 30 kHz d) 35 kHz 2. If the carrier frequency received by AM receiver is 1.2 MHz, the local oscillator should be set on one of the following frequencies: a) 1.2 MHz b) 455 kHz c) 2.4 MHz d) 1,655 MHz 3. Image frequencies in AM superheterodyne receivers are removed by: a) Low pass filter b) Band pass filters c) The IF stage d) The mixer in class C amplifier

Q1. Choose the correct answer for the following: ( 1. When the stopband of a BSF is 5 kHz and the cut-off frequency of the HPF in the parallel circuit is 20 kHz, the cut-off of the LPF is approximately: a) 15 kHz b) 20 kHz c) 30 kHz d) 35 kHz 2. If the carrier frequency received by AM receiver is 1.2 MHz, the local oscillator should be set on one of the following frequencies: a) 1.2 MHz b) 455 kHz c) 2.4 MHz d) 1,655 MHz 3. Image frequencies in AM superheterodyne receivers are removed by: a) Low pass filter b) Band pass filters c) The IF stage d) The mixer in class C amplifier

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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