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Quiz, Elenco, Electronics, inc – Elenco FM Wireless Microphone Kit User Manual

Page 12

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QUIZ

1. The letters FM stand for ___________ ___________.

2. In AM transmissions, the audio information varies the _____________ of the radio frequency carrier wave.

3. In FM transmissions, the audio information varies the _____________ of the radio frequency carrier wave.

4. In a standard FM radio broadcast moving the carrier +75kHz from the center frequency would represent

_____________% modulation.

5. The effect of rejecting the weaker station and accepting only the strong station is called ______________.

6. When the microphone is exposed to sound waves, it acts like a changing _____________.

7. An oscillator circuit is similar to the _______________ in a clock.

8. Sound striking the microphone is converted to an electrical signal, amplified, and used to change the

_____________ of the electronics oscillators tuned circuit.

9. Using an element to change the frequency of an oscillator at the same rate as the data to be transmitted is

called ____________ ____________.

10. The antenna is also a _____________ element.

Answer

s:

1.frequency modulation;

2.amplitude;

3.frequency;

4.50%;

5.capture;

6.resistor

;

7.pendulum;

8.capacitance;

9.frequency modulation;

10.tuned

Elenco

®

Electronics, Inc.

150 Carpenter Avenue

Wheeling, IL 60090

(847) 541-3800

Web site: www.elenco.com

e-mail: [email protected]