TDA2549 - I.F. amplifier and demodulator

NXP

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Datasheet Details

Part number	TDA2549
Manufacturer	NXP
File Size	83.61 KB
Description	I.F. amplifier and demodulator
Datasheet	TDA2549_PhilipsSemiconductors.pdf

TDA2549 Product details

Description

TDA2549 The TDA2549 is a complete i.f.circuit with a.f.c., a.g.c., demodulation and video preamplification facilities for multistandard television receivers.It is capable of handling positively and negatively modulated video signals in both colour and black/white receivers.

Features

Gain-controlled wide-band amplifier providing complete i. f. gain.
Synchronous demodulator for positive and negative modulation.
Video preamplifier with noise protection for negative modulation.
Auxiliary video input and output (75 Ω).
Video switch to select between auxiliary video input signal and demodulated video signal.
A. F. C. circuit with on/off switch and inverter switch.
A. G. C. circuit for positive modulation (mean level) and.

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Published: Apr 23, 2005 |