In a superheterodyne receiver, the received AM wave is used to modulate the frequency of a tunable oscillator. The result is bandpass-filtered to produce a modulated signal at a fixed carrier frequency that can then be used for demodulation with a fixed circuit. Suppose that the carrier frequencies range in the interval 535-1605kHz. Find the range of tuning in the local oscillator so that the signal is translated to a frequency band centered at the intermediate frequency 455kHz.
In a superheterodyne receiver, the received AM wave is used to modulate the frequency of a tunable oscillator.
The result is bandpass-filtered to produce a modulated signal at a fixed carrier frequency that can then be used for demodulation with a fixed circuit.
Suppose that the carrier frequencies range in the interval 535-1605kHz. Find the range of tuning in the local oscillator so that the signal is translated to a frequency band centered at the intermediate frequency 455kHz.
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