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TDA4445A - Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator

General Description

Pin 1 16 3 8 9 11 12 13 2, 4, 7, 10, 14, 15 Symbol Function IF input If AGC time constant Tuned circuit Supply voltage Sound-IF-output Ground not connected TELEFUNKEN Semiconductors Circuit Description This circuit includes the following functions D Three symmetrical and gain cont

Key Features

  • D D D D D D Very high input sensitivity Excellent signal to noise ratio Fast averaged AGC IF amplifier can be switched off for VTR mode Output signal stabilized against VS variations Very few external components TDA4445B additional D Targeting bistandard.

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Datasheet Details

Part number TDA4445A
Manufacturer TEMIC Semiconductors
File Size 117.09 KB
Description Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
Datasheet download datasheet TDA4445A Datasheet

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TDA4445B Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
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TELEFUNKEN Semiconductors TDA4445A/TDA4445B Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator Technology: Bipolar Features D D D D D D Very high input sensitivity Excellent signal to noise ratio Fast averaged AGC IF amplifier can be switched off for VTR mode Output signal stabilized against VS variations Very few external components TDA4445B additional D Targeting bistandard applications (B/G and L) D Alignment free AM demodulator D Low AM distortion Case: DIP16 Figure 1. Block diagram TDA4445A Figure 2. Block diagram TDA4445B Rev. A1: 14.09.