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or other techniques. Synchronous detection preserves any phase information originally present in the modulating signal. With the exception of
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receiver, where it allows recovery of the phase information that conveys hue. Synchronous detectors are also found in some
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by mixing the signal with a replica of the unmodulated carrier. This can be locally generated at the receiver using a
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receivers used for audio signals, where they provide better performance on signals that may be affected by
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receivers, synchronous detection is a necessary component of any analog
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Demodulator that uses a replica of the unmodulated carrier
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119:This technology-related article is a
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69:Lock-in amplifier
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