LA7565BM - IF Signal-Processing IC
Ordering number :EN5636 Monolithic Linear IC LA7565B, 7565BM IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV and VCR Products Overview The LA7565B/M is a PAL/NTSC multi-system audio VIF/SIF signal-processing IC that adopts a minimaladjustment technique.
The VIF circuit adopts a minimaladjustment technique in which AFT adjustment is made unnecessary by VCO adjustment to simply end product adjustment.
The FM detector circuit uses PLL detections to support multi-system audio detection
LA7565BM Features
* Allows the use of a switch circuit to switch between spilt and intercarrier operation.
* Improved buzz and buzz beat characteristics provided by a PLL detector plus buzz canceller system.
* The IF AGC second filter is built in.
* PAL/NTSC multi-system audio can be i
