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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 V

S

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

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