U4468B Datasheet (ATMEL Corporation) - Quasi-split Sound Circuit and AM Demodulator IC

U4468B, Quasi-split Sound Circuit and AM Demodulator IC

The U4468B is an integrated bipolar circuit for full multistandard sound IF signal processing in TV/VTR and multimedia applications.

It supplies AM signals as well as FM/NICAM sound IF signals and thus allows the design of a universal sound IF module for various applications.

Quasi-split Sound Circ

U4468B Features

* 5-V Supply Voltage

* Gain-controlled 3-stage Wide-band IF Amplifier

* Active Carrier Generation by FPLL Principle (Frequency-Phase-Locked-Loop) for True Quadrature Demodulation

* Complete Alignment-free AM Demodulator

* Switchable Amplitude Detector for Gai