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OM8373 Datasheet PDF

Philips OM8373

The OM8373 and OM8378 combine the functions of a video processor together with a µ-Controller and US Closed Caption decoder. The ICs are intended to be used in economy television receivers with 110° picture tubes. The ICs have supply voltages of 8 V and 3.3 V and they are mounted in a SDIP-64 envelope.
Part No. OM8373
Datasheet OM8373 Download
Manufacturer
Philips
Description TV signal processor- Closed Caption decoder
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OM8373 datasheet page 1 preview

GENERAL DESCRIPTION

The features are given in the following feature list. OM8373; OM8378

FEATURES

TV-signal processor
● Vision IF circuit suitable for negative modulation with alignment-free PLL demodulator
● Internal (switchable) time-constant for the IF-AGC circuit
● The mono intercarrier sound circuit has a selective FM-PLL demodulator which can be switched to the different FM sound frequencies (4.5/5.5/6.0/6.5 MHz). The quality of this system is such that the external band-pass filters can be omitted.
● Source selection between the ‘internal’ CVBS and an external CVBS or Y/C signal
● 1 external audio input.
● Integrated chrominance trap circuit
● Integrated luminance delay line with adjustable delay time
● Picture improvement features with peaking (with switchable centre frequency, depeaking, variable positive/negative overshoot ratio and video dependent coring), dynamic skin tone control and blue- and black stretching. All features are available for CVBS, Y/C and YPBPR signals.
●...
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