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MC13020 - AM STEREO DECODER

Key Features

  • in Figure 9 may be added. Once Pin 9 goes high, the Pilot Decoder starts counting. If no pilot is detected for seven consecutive counts, it is assumed to be a good monaural station and the decoder is switched to the long count. This reduces the possibility of false stereo triggering due to signal level fluctuation or noise. If the PLL goes out of lock, or interference is detected by the co.
  • channel protection circuit before seven cycl.

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Full PDF Text Transcription (Reference)

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Order this document by MC13020/D MC13020 Motorola C-QUAM® AM Stereo Decoder This circuit is a complete one ship, full feature AM stereo decoding and pilot detection system. It employs full–wave envelope signal detection at all times for the L + R signal, and decodes L – R signals only in the presence of valid stereo transmission.