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Signal Generators – 1 – 1

1. The audio-frequency range of typical AF signal generator is :

(a) 20 Hz to 200 kHz
(b) 200 Hz to 20 kHz
(c) 20 Hz to 20 kHz
(d) None of above 

ANSWER

EXPLANATION

2. A typical frequency range of RF signal generator is :

(a) 50 kHz to 110 MHz
(b) 50 Hz to 110 kHz
(c) 50 MHz to 110 kHz
(d) None of above

ANSWER

EXPLANATION

3. The signal generator generally used in the laboratories is _______ oscillator.

(a) Crystal
(b) Hartely
(c) Phase shift
(d) Wien-bridge

ANSWER

EXPLANATION

4. Modulation level can be adjusted in R.F signal generator upto :

(a) 100%
(b) 90%
(c) 95%
(d) 80%

ANSWER

EXPLANATION

5. The principal circuit of an AF signal generator is a :

(a) Constant frequency audio oscillator
(b) Variable frequency audio oscillator
(c) Variable frequency radio oscillator
(d) None of above

ANSWER

EXPLANATION

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