LA75665NM Description
ENN 6954 Monolithic Linear IC LA75665NM VIF/SIF IF Signal-Processing Circuit with TV/VCR PAL and NTSC Multisound Support Preliminary Overview The LA75665NM is a VIF/SIF IC that supports PAL and NTSC multisound and that adopts a semi-adjustment-free system. To simplify adjustment, the VIF block adopts a technique in which AFT adjustment is no longer required by VCO adjustment. The SIF block supports audio...
LA75665NM Key Features
- No coils are used in the AFT and SIF blocks, making these circuits adjustment free
- PAL / NTSC multisound system can be constructed easily
- Built-in buzz canceller for excellent audio performance
- VIF amplifier
- PLL detector
- RF AGC
- EQ amplifier
- IF AGC
- Buzz canceller