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 c75kHz 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
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®
Electronics, Inc.
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Wheeling, IL 60090
(847) 541-3800
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