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TA7611AP Datasheet

  • TA7611AP

  • FM IF/AM TUNER SYSTEM

  • 5頁(yè)

  • ETC

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TA7611AP
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
FM IF/AM TUNER SYSTEM
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
DIP-16
*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
NC
NC
NC
NC
Vcc
5
IF INPUT
6
7
10
11
15
16
IF 1
IF 2
IF 3
9
8
VIDEO AMP.
1
VIDEO
TANK
2
AGC2
12
AGC1
NOISE
INVERTER
RF AGC
OUTPUT
4
AGC3
13
VIDEO
OUTPUT
Contek
3
RF AGC
RELAY
14
IF AGC FILTER
Contek Microelectronics Co.,Ltd.
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
1

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