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TDA7402 数据表(PDF) 39 Page - STMicroelectronics |
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TDA7402 数据表(HTML) 39 Page - STMicroelectronics |
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39 / 71 page ![]() TDA7402 Stereo decoder part 39/71 5.5 Multipath detector 5.5.1 Features: ● internal 19kHz band pass filter ● programmable band pass and rectifier gain ● selectable internal influence on stereo blend and/or Highcut Table 9. Electrical characteristics of multipath detector Symbol Parameter Test Condition Min. Typ. Max. Unit fCMP Center frequency of multipath-bandpass Stereo decoder locked on pilot tone 19 kHz GBPMP Bandpass gain G1 6 dB G2 12 dB G3 16 dB G4 18 dB GRECTM P Rectifier gain G1 7.6 dB G2 4.6 dB G3 0 dB ICHMP Rectifier charge current 0.25 0.5 µA IDISMP Rectifier discharge current 4 mA Quality detector AMultipath influence factor 00 01 10 11 0.70 0.85 1.00 1.15 |
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