Description
The U4454B quasi-split-sound processor is a bipolar integrated circuit for all FM-TV standards and NICAM sound systems.
Features
- D PLL intercarrier-mixer for all FM standards (incl. NICAM sound system) D High grade signal processing for FM/NICAM sound systems D Also suitable as AM-demodulator D Gain controlled wideband amplifier D AGC operates as a peak- and mean-level detector D High input sensitivity D Wide supply voltage range (6.8 V up to 13 V) D Low power consumption D ESD protection
Case: 16-pin DIL plastic
Block Diagram
VCO Tank Loop filter
93 7653
12 Lock detector 16 IF Input 1 Video
11
8
9
VCO
90° 0° Inte.
U4454B Datasheet
