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.
1995 1 (8) TDA4445A/TDA4445B Pin Description Pin 1–16 3 8–9 11 12 13 2, 4, 7, 10, 14, 15 Symbol Function IF input If AGC...

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