Electronic circuits, electronic components datasheets and schematics
|File name:||Tda4472.pdf |
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|Description:||video-if and quasi paralell sound processing|
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Video-IF and Quasi Parallel Sound Processing
The TDA4472 is an integrated bipolar circuit for video/ sound IF (VIF/SIF) signal processing in TV/VCR and multimedia applications. The circuit processes all TV video IF signals with negative modulation (e.g., B/G standard), and the FM/NICAM sound IF signals.
D 5 V supply voltage; low power consumption D Active carrier generation by FPLL principle (frequency-phase-locked-loop) for true synchronous demodulation D Very linear video demodulation, good pulse response and excellent intermodulation figures D VCO circuit operates at picture carrier frequency D Alignment-free AFC without external reference circuit, polarity of the AFC curve is switchable D VIF-AGC with peak sync. detection D Tuner AGC with adjustable take over point Package: SDIP28, SO28 D Alignment-free quasi parallel sound (QPS) mixer for FM/NICAM sound IF signals D Intercarrier output signal is gain controlled (necessary for digital sound processing)|
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