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A slope detector has a filter with straight-line roll-off slopes in its amplitude (dB) characteristics - “dB versus frequency”. The output of the filter at these slopes ranges from 0 dB at the nominal center frequency to –20 dB at 5000 Hz above or below the center frequency. If the zero dB...
A mixer of an AM radio receiver converts the carrier frequency fc to a fixed
intermediate frequency (IF) of 455 kHz by using a local oscillator of frequency fLO. The broadcast band frequencies range from 540 kHz to 1600 kHz.
a) Determine the range of tuning that must be provided in the local...
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