TDA4452 - Video IF Amplifier for Multistandard TV Receiver and VTR Appliances

TEMIC Semiconductors

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Datasheet Details

Part number	TDA4452
Manufacturer	TEMIC Semiconductors
File Size	181.25 KB
Description	Video IF Amplifier for Multistandard TV Receiver and VTR Appliances
Datasheet	TDA4452_TEMICSemiconductors.pdf

TDA4452 Product details

Description

Pin 1,18 2 3 4 5 6 7 Function IF input Video switch control VTR input, 1 VPP VTR output, 2 VPP (inverted) Supply voltage VS Video output, 2 VPP Video input, after sound trap, 2 VPP Pin 8,17 9 10,11 12 13 14 15 16 Function Ground Video output, 3 VPP from demodulator Demodulator circuit standard switch B/G-L Average capacitor standard L Tuner AGC take over AGC (tuner control) IF AGC storage capacitor Circuit Description The following functional units are integrated in this circuit combination for

Features

D Standard B/G-L suitable, processes negatively and positively modulated IF-signals with equal polarity of the output signal D Fast AGC by controlled discharge of the AGC capacitor D Ultra white inverter and ultrablack limiter for reducing transmission interference D Standard L mode: AGC acting on peak white level, capacitor discharge control by averaged video signal Standard B/G: AGC acting on the sync. pulse peak D Internally noise protected gain control, no flyback pulses required D Expa.

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Published: Apr 23, 2005 |