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AN8946SB - FM demodulation

Datasheet Summary

Description

Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description Key pulse input AFC output L AFC output H VCC2 (VCO, AFC system) VCO1 GND3 (VCO system) VCO2 GND2 (Main) Loop amp.

output Video amp.

Features

  • PLL.
  • FM demodulation, 2nd IF AGC amp. , AGC detection and AFC (applicable to both mean value and keyed types). 1 28 0.3±0.1 Unit : mm s Features.
  • 5 V single power source.
  • Low power dissipation (typ. 170 mW).
  • S/N 65 dB or more.
  • Inter-modulation interference ratio: 50 dB or more.
  • AGC amp built in (Reduction range: 55 dB).
  • Adjustment-free VCO coil 14 0.1±0.1 15 (0.4) 7.2±0.3 9.3±0.3 s.

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Datasheet Details

Part number AN8946SB
Manufacturer Panasonic Semiconductor
File Size 86.98 KB
Description FM demodulation
Datasheet download datasheet AN8946SB Datasheet
Additional preview pages of the AN8946SB datasheet.

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Full PDF Text Transcription

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ICs for TV AN8946SB FM demodulation IC for BS/CS broadcasting s Overview The AN8946SB is a 5 V single power supply and low power consumption FM demodulation IC for BS/CS broadcasting. It features PLL · FM demodulation, 2nd IF AGC amp., AGC detection and AFC (applicable to both mean value and keyed types). 1 28 0.3±0.1 Unit : mm s Features • 5 V single power source • Low power dissipation (typ. 170 mW) • S/N 65 dB or more • Inter-modulation interference ratio: 50 dB or more • AGC amp built in (Reduction range: 55 dB) • Adjustment-free VCO coil 14 0.1±0.1 15 (0.4) 7.2±0.3 9.3±0.3 s Applications • BS/CS tuner, television SSOP028-P-0375A s Block Diagram 21 VCC 5V 20 Reg. out 28 27 26 25 24 23 22 GND 2.6 V 19 18 17 16 AFC amp. AGC amp. IF amp. DC amp. DC amp.
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