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MC13020 Datasheet Am Stereo Decoder

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview: 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.

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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