Multiplying Wave Detector Composed of MC1496

Published:2011/9/8 1:56:00 Author:Sue | Keyword: Multiplying, Wave Detector | From:SeekIC

    The picture shows the multiplying wave detector circuit. The circuit is single-side band AM signal detector. Its working principle is that it will multiply the received single-side band(SSB) signal by receiving end's restored carrier wave, and then the demodulation work will be done. In the figure, the manifold MC1496 is balanced modulator and demodulator. The circuit's output voltage is the product of input voltage signal and switching function provided by the carrier wave. The circuit has a sensitivity of 3 μV when it is operating in 9MHz IF frequency and the dynamic range is 90dB.



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