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GATE 2023 Communication System Quiz 33
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A super heterodyne receiver uses an IF frequency of 455 kHz. The receiver is tuned to a transmitter having a carrier frequency of 1120 kHz. The permissible frequencies of the local oscillator are
An FM signal with a deviation δ is passed through a mixer and has its frequency reduced fivefold. The deviation in the output of the mixer is
A super heterodyne receiver is designed to receive transmitted signals between 5 and 10 MHz. High – side tuning is to be used. The tuning range of the local oscillator for IF frequency 500 kHz would be
A super heterodyne receiver is to operate in the frequency range 550 kHz – 1650 kHz, with the intermediate frequency of 450 kHz. Let r = Cmax / Cmin denote the required capacitance ratio of the local oscillator and f’c denote the image frequency (in kHz) of the incoming signal. If the receiver is tuned to 700 kHz, then
A super heterodyne FM receiver operates in the frequency range of 88 – 108 MHz. The IF and local oscillator frequency are chosen such that fIF < fLO. The image frequency must fall outside of the 88 – 108 MHz region. The range of variation in fLO is
A super heterodyne receiver uses an IF frequency of 455 kHz. The receiver is tuned to a transmitter having a carrier frequency of 2400 kHz. High – side tuning is to be used. The image frequency will be _ _ _ _ _ _ _ _ kHz.
Question 7Multiple Correct Options
In a super heterodyne receiver, the output of the mixer is 500 KHz. The local oscillator frequency is adjusted to 2000 KHz. The receiver is tuned to
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Jan 10ESE & GATE EC