LA7437A Description
EN5473 Monolithic Linear IC LA7437, 7437A Video Signal Processing IC for VHS VCR Systems Overview The LA7437, 7437A is a video signal processing singlechip IC that handles the PAL-G, B and I, 4.43 NTSC, and MESECAM formats. IC internal trimming is used to make the LA7437, 7437A is pletely adjustment free, and in bination with a special-purpose CCD (the LC89973M) it provides a significant reduction in external...
LA7437A Key Features
- pletely adjustment free The AGC, carrier, deviation, and PB-Y level are adjustment free. The YC record current can also
- Support for NAP and PAL color array correction Full modulation using a balanced modulator allows playback and conversion
- Crosstalk exclusion in bination with a specialpurpose CCD Crosstalk can be excluded without using a glass delay line by
- Minimal number of external ponents New built-in ponents
- Detail enhancer CR
- C-trap in the Y low-pass filter
- Playback C low-pass filter
- High performance and multiple functions Linear phase picture controller Double high-pass noise canceller, high-speed AFC
- pensator Carrier balancer Burst gate amp. Chrominance Half H killer BGP generator Killer det. VCO Phase shifter Sub conv