U4454B - Quasi-Split-Sound Processing and AM-Demodulator

TEMIC Semiconductors

Datasheet Details

The U4454B quasi-split-sound processor is a bipolar integrated circuit for all FM-TV standards and.

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.

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