Exam 18: Communication Devices and Methods

A fiber optics cable does not have

Light is transmitted in a fiber optics system primarily by refraction.

Figure 1 Block diagram for an AM radio receiver -Refer to Figure 1. The block with the ? represents the

In a single- sideband system there is a carrier and one sideband.

To create the difference frequency in an AM mixer, the process uses

In general, the capture range of a PLL is

Transmitting signals with fiber optics is faster than using solid wires.

Amplitude modulation is essentially a

In an AM receiver, the AGC signal is sent to the audio amplifiers.

In a linear multiplier, the constant K is a number that is a(n)

Figure 4 A basic phase- locked loop -Refer to Figure 4. The block with the ? represents the