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Communication Systems

Communication Systems
For AM receivers the standard IF frequency is

1.07 MHz
106 kHz
10.7 MHz
455 kHz

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Communication Systems
The modulation index of an FM is changed from 0 to 1. How does the transmitted power change?

Gets halved
Gets doubled
Remains unchanged
Gets increased by 50 percent

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Communication Systems
A woofer should be fed from the input through a

Band stop filter
High pass filter
Low pass filter
Band pass filter

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Communication Systems
PAM stands for

Pulse Amplitude Modulation
Pulse Analogue Modulation
Phase Analogue Modulation
Phase Amplitude Modulation

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Communication Systems
A modem is classified as low speed if data rate handled is

Upto 100 bps
Upto 600 bps
Upto 400 bps
Upto 250 bps

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Communication Systems
In a TV receiver antenna the length of reflector rod

May be equal, more or less than that of dipole
Is less than that of dipole
Is more than that of dipole
Is the same as that of dipole

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MORE MCQ ON Communication Systems

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