In this program we study the idea of mixing in a super heterodyne receiver. To be specific,
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In this program we study the idea of mixing in a super heterodyne receiver. To be specific, consider the block diagram of the mixer shown in Figure that consists of a product modulator with a local oscillator of variable frequency ?b followed by a band-pass filter. The input signal is an AM wave of bandwidth 10 kHz and carrier frequency that may lie anywhere in the range of 0.535 to 1.605 MHz; there parameters are typical of AM radio broadcasting. It is required this signal to a frequency band centered at a fixed, intermediate frequency (IF) of 0.455 MHz Find the range of turning that must be provided in the local oscillator to achieve this requirement.
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Consider an incoming narrowband signal of bandwidth 10 kHz and m...View the full answer
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