Signal Generators » Exercise – 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
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
3. The signal generator generally used in the laboratories is _______ oscillator.
(a) Crystal
(b) Hartely
(c) Phase shift
(d) Wien-bridge
4. Modulation level can be adjusted in R.F signal generator upto :
(a) 100%
(b) 90%
(c) 95%
(d) 80%
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
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