TA7611AP

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:[email protected] 1 TA7611AP PARAMETER Supply Voltage Open Loop Voltage Video DC Output Current Power Dissipation Operating Temperature Storage Temperature LINEAR INTEGRATED CIRCUIT C) ABSOLUTE MAXIMUM RATINGS (Ta=25 SYMBOL VCC V4 I12 PD TOPR TSTG VALUE 15 15 6 1.4 -20 ~ +65 -55 ~ +150 UNIT V V MA W C C ELECTRICAL CHARACTERISTICS(Ta=25 PARAMETER Recommended Supply Voltage Quiescent Circuit Current Video DC Output AFT DC Output Voltage AFT Output Offset Voltage RF AGC Residu...