LA7688 Overview
EN5635 Monolithic Linear IC LA7688 Single-Chip CTV Signal-Processing Circuit for PAL and NTSC Formats Overview The LA7688 integrates VIF, SIF, video, chrominance, and deflection processing circuits for PAL/NTSC format TV sets on a single chip and is provided in a 52-pin shrink package. The VIF and SIF circuits achieve semi-adjustment-free operation, and are adjustment-free except for the VCO coil and the RF AGC...
LA7688 Key Features
- Sandcastle pulse (for the 1H delay line)
- fsc output (for SECAM systems)
- Primary color output
- PLL detector
- Buzz canceller
- PLL detector
- Audio switch
- Built-in trap
- Built-in DL
- Aperture control