TA7611AP 데이터 시트보기 (PDF) - Unisonic Technologies

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TA7611AP

FM IF/AM TUNER SYSTEM

Unisonic Technologies 

UTC TA7611AP LINEAR INTEGRATED CIRCUIT

FM IF/AM TUNER SYSTEM

DESCRIPTION

The UTC 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

NC

NC

6

7

IF 2

IF 3

2

RF AGC 4

OUTPUT

AGC2

AGC3

AGC1

NC

Vcc

10

11

VIDEO AMP.

NOISE

INVERTER

DIP-16

9

8

VIDEO

TANK

12

VIDEO

13 OUTPUT

3

RF AGC

RELAY

14

IF AGC FILTER

UTC UNISONIC TECHNOLOGIES CO., LTD. 1

QW-R111-004,A

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