Frenzel Self-test in Multiplexing – Answers

Below are the answers key for Frenzel Self-test in Chapter 8: Multiplexing from the book COMMUNICATIONS ELECTRONICS by Louis E. Frenzel. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

1. c. (Multiplexing uses a single channel to transmit multiple signals.)

2. telephone, telemetry

3. economy

4. demultiplexer

5. time division, frequency division

6. bandwidth

7. subcarriers

8. linear mixer

9. modulate

10. frequency

11. amplifying, filtering

12. subcarrier oscillator or VCO

13. bandpass filter

14. PLL

15. SSB

16.L + R

17.L + R. L – R. 19-kHz pilot, SCA

18. DSB

19. frequency

20. time slots or intervals.

21. pulse-amplitude modulation

22. 14

23. FET or MOSFET

24. clock recovery circuit

25. sync pulse

26. frame

27. low-pass filter

28. switch

29. gate

30. FM

31. phase-locked loop

32. binary codes

33. AID converter

34. 8

35. 8

36. T-1

37. companding

38. codec

39. noise

40. 24, 1.544

Complete List of Self-test and Reviewers in Communications Electronics

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