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| 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 TA7611AP LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS(Ta=25C) PARAMETER Supply Voltage Open Loop Voltage Video DC Output Current Power Dissipation Operating Temperature Storage Temperature 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=25C, Vcc=12V, fo=45.75MHz, unless otherwise specified) PARAMETER Recommended Supply Voltage Quiescent Circuit Current Video DC Output AFT DC Output Voltage AFT Output Offset Voltage RF AGC Residual Output Voltage RF AGC Leak Current Video Sensitivity AGC Range Sync Tip Level Voltage (pin12) Maximum IF Input Voltage White Noise Threshold (pin12) White Noise Clamp Level (pin12) Black Noise Threshold (pin12) Black Noise Clamp Level (pin12) Video Frequency Response Suppression of Carrier Suppression of 2nd Carrier 920KHz Beat Level Differential Gain Differential Phase Input Impedance AFT Output Upper Voltage AFT Output Lower Voltage Maximum Available Current AFT Sensitivity SYMBOL VCC ICCQ V12 V5-V6 V5-V6 V4(SAT) I4(LEAK) SVI VAGC (IF) VSYNC VI(MAX) VWTH VWCL VBTH VBCL GV(IF) CL I2ND I920 DG DP RIN CIN V5,V6(UP) V5,V6(LOW) I4(MAX) SAFT TEST CONDITIONS MIN. TYP. MAX. 10.8 42 5.2 12 51 5.5 6.8 0 13.2 63 5.8 8.3 1.5 0.5 1 100 60 2.3 100 5.8 3.7 1.4 2.9 200 64 2.5 120 6.2 4.1 1.6 3.3 5.5 50 50 38 7 3.5 10 5 6 5 12 2.8 6.6 4.5 1.8 3.7 2.7 300 UNIT V mA V V V V A Vrms dB V mVrms V V V V MHz dB dB dB dB Degree K pF V V mA KHz/V SW1: on,SW2: on SW1: on,SW2: on SW4:1 VCC=12V,SW3:1,SW4:1 V12=0.8VP-P f0=45.75MHZ,AM=30% VCC=12V,f0=45.75MHZ V14=11.5V4.0V 5.3 -1.5 Input 45.75MHz, Sweep Generator SG1=100mVrms SG2, SG3->OFF SG1=100Mvrms SG2, SG3->OFF SG1=100mVrms SG2=SG3=32mVrms 4.5 40 40 33 fo=45.75MHz, Between pin16~1 3.0 11.7 1.8 7 4. 5 2 11.9 2.3 16 UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R111-004,A UTC TA7611AP LINEAR INTEGRATED CIRCUIT TEST CIRCUIT 1 5.1k 3.3k 820k 1 0.01 F SW4 2 3.9k 1.6k 47 F Vcc=12V A 0.01 F 0.01F SW1 +15V 0.01 F 0.01 F 16 0.01 F 15 14 13 12 11 10 9 UTC TA7611AP 1 2 3 4 5 6 7 8 0.01F 0.01 F 0.01F 0.01 F A 1.6k SW3 2 1 TEST CIRCUIT 2 VAGC VIDEO OUTPUT Vcc=12V 1:1 0.22 F IF INPUT 0.01 F 2 1 S1 1.6k 47 F 820k 0.01 F 1000pF 0.01 F 16 15 14 13 12 11 10 9 3.9k 75pF UTC TA7611AP 1 2 3 4 5 6 7 8 1k 5k 1k 1.6k SW2 1 2 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R111-004,A UTC TA7611AP LINEAR INTEGRATED CIRCUIT TEST CIRCUIT 3 TEST CIRCUIT 4 UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R111-004,A UTC TA7611AP LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R111-004,A |
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