6. DRX 3961A
6.1 General Desription
The DSP-based Analog TV IF Demodulator DRX 396xA performs the entire
multistandard Quasi Split Sound (QSS) TV IF processing, AGC, video demodulation,
and generation of the sound IF (SIF), requiring only one SAW filter. The IC is designed
for applications in TV sets, VCRs, PC cards, and TV tuners.
The alignment-free DRX 396xA does not need special external components. All control
functions and status registers are accessible via I2C bus interface.
6.2 Features
x Multistandard QSS IF processing with a single SAW
x Highly reduced amount of external components (no tank circuit, no
potentiometers, no SAW switching)
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