U4488B - Quasi-Split Sound Circuit and AM Demodulator

TEMIC Semiconductors

The U4488B by TEMIC Semiconductors is a Quasi-Split Sound Circuit and AM Demodulator. Below is the official datasheet preview.

Datasheet Details

Part number	U4488B
Manufacturer	TEMIC Semiconductors
File Size	272.09 KB
Description	Quasi-Split Sound Circuit and AM Demodulator
Datasheet	U4488B_TEMICSemiconductors.pdf
Additional preview pages of the U4488B datasheet.

The U4488B is an integrated bipolar circuit for full multistandard sound IF signal processing in TV/VTR and Multimedia applications.

D 5-V supply voltage; low power consumption D Gain-controlled 3-stage wideband IF amplifier D Active carrier generation by FPLL principle (frequency-phase-locked-loop) for true quadrature demodulation D Complete alignment-free AM demodulator D Switchable amplitude detector for gain control, which operates as a peak detector for FM sound and as a mean level detector for AM sound D Two symmetrical IF inputs Block Diagram IF1/IF2 S3 11 1 2 IF-Amp 12 Intercarrier (FM) 4 14 REF FPLL VS Loop filter.

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Published: Dec 14, 2005 |