LA7425 Description
EN5110 Monolithic Linear IC LA7425 NTSC Format Single-Chip Signal Processing IC for VHS VCR Products Overview The LA7425 is a single-chip video signal processing IC for use in VHS format VCR products. The number of required adjustments has been reduced to a single adjustment by IC chip internal trimming. The incorporation of a playback equalizer and other circuits on chip provides a significant reduction in external...
LA7425 Key Features
- Only one adjustment point (b filter phase adjustment) (The AGC, carrier, deviation and PB-Y level are adjustment free.)
- Simplified S-VHS playback support
- Built-in S-VHS discrimination circuit
- Built-in equalizer switch
- Automatic demodulator gain switching
- Internal automatic de-emphasis characteristics switching
- Only a minimal number of external ponents required (85 ponents: This corresponds to a 38% reduction over previous Sanyo
- Playback equalizer (include chroma trap), limiter balance filter, capacitor and resistor for detail enhancer, record chr
- High performance/multifunctionality Linear phase type picture controller Double high-pass noise canceller, high-speed AF
- FM AGC, synchronization detection circuit, linear control circuit for high-pass noise canceller