PC1353 datasheet(1/4 Pages) LINEAR

No de pièce	PC1353

Description	TV AUDIO PROCESSING CIRCUIT

PDF	4 Pages

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Fabricant	LINEAR [Linear Integrated Systems]

Site Internet	http://www.linearsystems.com

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PC1353

LINEAR INTEGRATED CIRCUIT

1

TV AUDIO PROCESSING CIRCUIT

DESCRIPTION

Contek PC1353 is designed for TV SIF signal amplification

and audio power amplification purpose. It includes SIF

amplifier, FM, frequency discriminator, DC volume control,

2.4W power amplifier and voltage regulator.

FEATURES

* Wide operating supply voltage,9V ~ 18V

When VCC=18V,RL=8 W,Output is 2.4W(17"TV)

When VCC=12V,RL=8 W,Output is 1.2W(12"TV)

* Linear volume control

* Low harmonic distortion

* Differential peak detector

* Attenuation circuit for noise suppression(Typical80dB)

DIP-14H

APPLICATION CIRCUIT

6

11

8

9

10

5

7

4

3

14

12

13

1

2

attenuator

IF voltage

regulation

IF amplifier

limiter

Mute

Frequency

discreminator

Power AMP

output

TAB

RB

220 mF

4.7 mF

0.015 mF

IF discreminator

output

IF power

input

Deweighting

Vcc

100 mF

330 mF

47 mF

470pF

22W

10pF

22kW

VR

5kW

270W

Volume

control

Input

coil

FM

discreminator

coil

Decoupling

Bootstrap

Power for

audio output

Negative

Feedback

Fig 1

Contek

CONTEK

Contek Microelectronics Co.,Ltd.

http://www.contek-ic.com E-mail:sales@contek-ic.com

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