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5. Frequency multiplier can be implemented practically by using a) Amplifier b) Capacity c) Nonlinear device junction d) Inductance. 6. The bandwidth of NBFM is approximately equal to a) fm b) 2fm c) 3fm d) 2ßfm 7. In Armstrong's indirect FM generation circuit, the mixer a) Changes the carrier frequency and the frequency deviation. b) Changes the carrier frequency keeping the frequency deviation without any chang c) Changes the frequency deviation keeping carrier frequency without any changes. d) Keeping the carrier frequency and the frequency deviation without any changes.

5. Frequency multiplier can be implemented practically by using a) Amplifier b) Capacity c) Nonlinear device junction d) Inductance. 6. The bandwidth of NBFM is approximately equal to a) fm b) 2fm c) 3fm d) 2ßfm 7. In Armstrong's indirect FM generation circuit, the mixer a) Changes the carrier frequency and the frequency deviation. b) Changes the carrier frequency keeping the frequency deviation without any chang c) Changes the frequency deviation keeping carrier frequency without any changes. d) Keeping the carrier frequency and the frequency deviation without any changes.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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5. Frequency multiplier can be implemented practically by using a) Amplifier b) Capacity c) Nonlinear device junction d) Inductance. 6. The bandwidth of NBFM is approximately equal to a) fm b) 2fm c) 3fm d) 2ßfm 7. In Armstrong's indirect FM generation circuit, the mixer a) Changes the carrier frequency and the frequency deviation. b) Changes the carrier frequency keeping the frequency deviation without any changes. c) Changes the frequency deviation keeping carrier frequency without any changes. d) Keeping the carrier frequency and the frequency deviation without any changes. 8. The efficiency of AM-DSB modulator when the modulation index is one is equal to a) 50% b) 70% c) 33.3% d) 0% 9. Voltage controlled oscillator (VCO) is an oscillator that its frequency output is varied according to any change in the at its input. a) Frequency b) Current c) Voltage d) Wavelength 10. Matching of a transmission line with a characteristic impedance (Zo) and a load impedance (ZR) can be obtained when a) ZR=0.5Zo b) ZR=2Zo c) ZR=Zo d) ZR=0
Transcribed Image Text:5. Frequency multiplier can be implemented practically by using a) Amplifier b) Capacity c) Nonlinear device junction d) Inductance. 6. The bandwidth of NBFM is approximately equal to a) fm b) 2fm c) 3fm d) 2ßfm 7. In Armstrong's indirect FM generation circuit, the mixer a) Changes the carrier frequency and the frequency deviation. b) Changes the carrier frequency keeping the frequency deviation without any changes. c) Changes the frequency deviation keeping carrier frequency without any changes. d) Keeping the carrier frequency and the frequency deviation without any changes. 8. The efficiency of AM-DSB modulator when the modulation index is one is equal to a) 50% b) 70% c) 33.3% d) 0% 9. Voltage controlled oscillator (VCO) is an oscillator that its frequency output is varied according to any change in the at its input. a) Frequency b) Current c) Voltage d) Wavelength 10. Matching of a transmission line with a characteristic impedance (Zo) and a load impedance (ZR) can be obtained when a) ZR=0.5Zo b) ZR=2Zo c) ZR=Zo d) ZR=0
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