To what does any modern, "frequency-agile" communication system owe its existence?

A. Crystal oscillators
B. Amplifiers
C. Parallel LC tank circuits
D. Phase-locked loops


D

Trades & Technology

You might also like to view...

Why was the Clarence Thomas-Anita Hill affair so polarizing? What did the radically differing perspectives on the Thomas nomination say about views of gender, race, and ideology?

What will be an ideal response?

Trades & Technology

What is the appropriate ratio of toms to hens that is sufficient for attaining desired reproductive rates?

A) 1:1 B) 1:5 C) 1:20 D) 1:10

Trades & Technology

All of the following support the engine's operation EXCEPT:

A. the fuel system B. the electrical system C. the drive shaft D. the lubrication system

Trades & Technology

The most well-known nineteenth-century proponent of the Renaissance was the Swiss historian

a. Peter Abelard. b. Duns Scotus. c. Jacob Burckhardt. d. Heiko Obermann.

Trades & Technology