Pulse-amplitude modulation signals are multiplexed by using: a. subcarriers b. A/D converters c. bandpass filters d. FET switches 14. A quantizer is a(n) a. multiplexer b. A/D converter c. demultiplexer d. D/A converter 15. Part of the PCM system that prevents aliasing: a. bandpass filter b. sample and hold circuit c. anti-aperture distortion d. both A and B

Pulse-amplitude modulation signals are multiplexed by using: a. subcarriers b. A/D converters c. bandpass filters d. FET switches 14. A quantizer is a(n) a. multiplexer b. A/D converter c. demultiplexer d. D/A converter 15. Part of the PCM system that prevents aliasing: a. bandpass filter b. sample and hold circuit c. anti-aperture distortion d. both A and B

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter11: Thermostats, Pressure Switches, And Other Electric Control Devices

Section: Chapter Questions

Problem 23RQ

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