TA7611AP Ver la hoja de datos (PDF) - Contek Microelectronics

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TA7611AP

FM IF/AM TUNER SYSTEM

Contek Microelectronics 

TA7611AP LINEAR INTEGRATED CIRCUIT

FM IF/AM TUNER SYSTEM

DESCRIPTION

The Contek TA7611AP is a monolithic integrated circuit,

designed for the VIF stage in color and B/W TV receiver. The

UTC TA7611AP is used for Forward AGC type.

FEATURES

*High gain wide brand IF amplifier

*Gain reduction with excellent stability

*Excellent DG/DP and S/N characteristics

*Negative video output signal

*Fast AGC action due to noise inverter and peak AGC

*Switch off the video part VTR SW

FUNCTIONS

*Three controlled IF amplifier stages

*Video demodulator controlled by picture carrier

*Black noise and white noise inverter

*Peak AGC

*DC amplifier for RF AGC output

*Quadrature detector for AFT

*DC amplifier for AFT

BLOCK DIAGRAM

15

IF INPUT

16

1

NC

5

IF 1

2

RF AGC 4

OUTPUT

Contek

NC

NC

NC

Vcc

6

7

10

11

IF 2

IF 3

AGC2

AGC3

AGC1

VIDEO AMP.

NOISE

INVERTER

3

RF AGC

RELAY

14

IF AGC FILTER

DIP-16

9

8

VIDEO

TANK

12

VIDEO

13 OUTPUT

Contek Microelectronics Co.,Ltd.

1

CONTEK

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

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