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| NTE783 Integrated Circuit Automatic Fine-Tuning Detector Description: Specifically intended for use in the automatic fine tuning (AFT) system of color television receivers, the NTE783 AFT Detector provides all of the required circuitry except the tuning component. The device embodies a high-gain input amplifier and automatic gain control (AGC) circuitry to provide excellent sensitivity in TV AFT systems employing low level IF amplifiers. Features: D Cascade-Cascode Amplifier D Internal Voltage Regulator D Internal AGC D 25kHz Frequency Deviation D 14-Pin Dual In-Line Plastic Package Thermal Characteristics: Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +85C Storage Temperature Range, TS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Electrical Characteristics: (TA = +25C, VCC = +30V unless otherwise specified) Parameter Static Characteristics Total Device Dissipation Supply Current Amplifier Current Regulator Voltage AFT Output Voltage Output Offset Voltage Dynamic Characteristics Input Admittance Reverse Transfer Admittance Forward Transfer Admittance Output Admittance 11 12 21 22 Pin3 - - - - 0.4 + j1 0 + j 3.4 110 + j140 0.02 + j1 - - - - mmho mmho mmho mmho PD ICC I3 VREG V5,8 V5-8 V1 = +10.5V 130 4.0 1.0 10.9 5.0 - 140 6.5 2.0 11.8 6.6 0 150 9.5 4.0 12.8 8.0 1.0 mW mA mA V V V Symbol Test Conditions Min Typ Max Unit Pin Connection Diagram V (+) Reg 1 Detector A Input 2 IF Output 3 Detector B Input 4 AFT Output 5 N.C. 6 N.C. 7 14 GND 13 N.C. 12 IF Input 11 N.C. 10 N.C. 9 Decouple 8 AFT Output 14 8 1 7 .785 (19.95) Max .300 (7.62) .200 (5.08) Max .100 (2.45) .600 (15.24) .099 (2.5) Min |
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