View saa5191 datasheet:

INTEGRATED CIRCUITS DATA SHEET SAA5191 Teletext video processor March 1991 Preliminary specification File under Integrated Circuits, IC02 Philips Semiconductors Preliminary specification Teletext video processor SAA5191 GENERAL DESCRIPTION FEATURES The SAA5191 is a bipolar integrated circuit that extracts • Adaptive data slicer teletext data from the video signal (CVBS), regenerates • Crystal-controlled data clock regeneration with a bit rate the teletext clock (TTC) and synchronizes the text display of 6.9375 MHz to the television signals (VCS). This device operates in • Adaptive sync separator, horizontal phase detector and conjunction with the Digital Video Teletext (back-end) 13.5 MHz VCO to provide display phase locked loop Decoder (DVTB - SAA9042A) or any other