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
DIP-16
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.
VIDEO
TANK
1
2
AGC2
12
RF AGC
OUTPUT
4
AGC3
AGC1
NOISE
INVERTER
VIDEO
13
OUTPUT
3
RF AGC
RELAY
14
IF AGC FILTER
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R111-004,A
UTC-IC [ UNISONIC TECHNOLOGIES ]
