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Numéro de référence | TA7611AP | ||
Description | FM IF/AM TUNER SYSTEM | ||
Fabricant | ETC | ||
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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
IF INPUT
15
16
1
NC
5
IF 1
2
RF AGC
OUTPUT
4
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
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:[email protected]
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Pages | Pages 5 | ||
Télécharger | [ TA7611AP ] |
No | Description détaillée | Fabricant |
TA7611AP | FM IF/AM TUNER SYSTEM | ETC |
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