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Ask a this problem, we study the idea of mixing in a superheterodyne receiver. To be specific, consider the block diagram of the mixer shown in the figure that consists of a product modulator with a local oscillator of variable frequency f _l, followed by a band-pass filter. the input signal is an AM wave of bandwidth 10 kHz and carrier frequency that may lie student submitted image, transcription available below and you will be sure to find an answer!
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