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 +85°C Storage Temperature Range, TS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C Electrical Characteristics: (TA = +25°C, VCC = +30V unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 130 140 150 mW 4.0 6.5 9.5 mA Static Characteristics Total Device Dissipation PD Supply Current ICC V1 = +10.5V Amplifier Current I3 1.0 2.0 4.0 mA Regulator Voltage VREG 10.9 11.8 12.8 V AFT Output Voltage V5,8 5.0 6.6 8.0 V Output Offset Voltage V5–8 – 0 ±1.0 V Input Admittance γ11 – 0.4 + j1 – mmho Reverse Transfer Admittance γ12 – 0 + j 3.4 – mmho Forward Transfer Admittance γ21 – 110 + j140 – mmho Output Admittance γ22 – 0.02 + j1 – mmho Dynamic Characteristics Pin3 Pin Connection Diagram V (+) Reg 1 14 GND Detector A Input 2 IF Output 3 13 N.C. 12 IF Input Detector B Input 4 11 N.C. AFT Output 5 10 N.C. N.C. 6 9 Decouple N.C. 7 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