TA7611AP Datasheet, PDF (1/5 Pages) List of Unclassifed Manufacturers – FM IF/AM TUNER SYSTEM

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