TB1229DN - VIDEO / CHROMA AND SYNCHRONIZING SIGNALS PROCESSOR

Toshiba

Key Features

l Video section.
Built-in trap filter.
Black expansion circuit.
Variable DC regeneration rate.
Y delay line.
Sharpness control by aperture control.
γ correction l Chroma section.
Built-in 1H Delay circuit.
PAL base band demodulation system.
One crystal color demodulation circuit (4.43MHz, 3.58MHz, M / N-PAL).
Automatic system discrimination, system forced mode.
1H delay line also serves as comb filter in NTSC demodulation.
Built-in band.

TB1229DN video / chroma and synchronizing signals processor by Toshiba - Datasheet Preview

Datasheet Details

Part number	TB1229DN
Manufacturer	Toshiba
File Size	948.76 KB
Description	VIDEO / CHROMA AND SYNCHRONIZING SIGNALS PROCESSOR
Datasheet	TB1229DN Datasheet

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Full PDF Text Transcription (Reference)

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TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB1229DN TB1229DN VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL / NTSC SYSTEM COLOR TV TB1229DN that is a signal processing IC for the PAL / NTSC color TV system integrates video, chroma and synchronizing signal processing circuits together in a 56-pin shrink DIP plastic package. TB1229DN incorporates a high performance picture quality compensation circuit in the video section, an automatic PAL / NTSC discrimination circuit in the chroma section, and an automatic 50 / 60Hz discrimination circuit in the synchronizing section. Besides a crystal oscillator that internally generates 4.43MHz, 3.58MHz and M / N-PAL clock signals for color demodulation, there is a horizontal PLL circuit built in the IC. Weight: 5.