NTE984 Integrated Circuit TV Video IF System Description: The NTE984 is a monolithic integrated circuit in a 16–Lead DIP type package designed to perform IF amplification, video detection, and video–amplifier functions in color and monochrome TV receivers. Features: D Improved AGC, Fast Response, Sample and Hold Keyed D High Gain Wideband IF Amplifiers D Delayed AGC Output for Tuner D Gain Reduction with Excellent Stability D Linear Video Detector D Video Amplifier D Low Noise D Internal Shunt Regulator D For Color of Monochrome Absolute Maximum Ratings: DC Supply Voltage: Between Pin15 and Pin4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Between 470Ω Connected to Pin12 and Pin14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V DC Supply Current: At Pin15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA At Pin12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA Device Dissipation (TA ≤ +55°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW Derate Linearly Above +55°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.9mW/°C Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +85°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C Lead Temperature (During Soldering, 1/16” ±1/32” from case, 10sec max), TL . . . . . . . . . . . +265°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Note 1 Min Typ Max Unit 12.0 – 14.2 V Operating Supply Voltage V15 Supply Current I15 3 – 15 mA Shunt Regulator Voltage V12 10.9 – 13.0 V Shunt Regulator Current I12 6 – 20 mA Tuner AGC High Voltage V10 18.5 – 21.0 V Tuner AGC Low Voltage V10 0.3 – 1.3 V V12 = 10.5V AGC Current I2 Non–Keyed 80 – 500 µA AGC Peak Current I2 Keyed Source Current 0.7 – 3.0 mA Keyed Sink Current 150 – 680 µA Through 100kΩ connected to Pin1 25 – 35 V Horizontal Key Input Video Output High Voltage V16 At Zero Carrier 7 – 10 V Video Output Low Voltage V16 At 30mV Input 0.9 – 2.0 V Sensitivity Voltage V16 At 400µV Input 0.9 – 5.0 V – – 12 mVrms 0.7 – 1.6 Vrms 35 – 85 mVrms Noise Chroma 45.75MHz, 10mV; 42.17MHz, 3mV AFT Drive Distortion 50kHz, 80% Modulated, Sync Tip Equiv. 30mVrms – – 10 % Delay Voltage Through 15kΩ connected to Pin7, Note 2 0 – V15 V Note 1 V15 Min should be at least 0.6V above Terminal 12 potential. Lower voltage may cause some “white” compression. Note 2 Zero voltage corresponds to maximum delay at signal input + 30mV(RMS). Pin Connection Diagram Key Pulse Input 1 AGC Filter 2 A1 Input 3 GND 4 Clamp Capacitor 5 A1 Output/A2 Input 6 16 Video Output 15 (+) VS 2 14 Substrate 13 Detector Bias 12 (+) VS 1 Shunt Reg 11 A3 Input and Detector AGC Delay 7 10 Tuner AGC IF AGC Bias 8 9 A2 Output 16 9 .260 (6.6) Max 1 8 .785 (19.9) Max .300 (7.62) .200 (5.08) Max .245 (6.22) Min .100 (2.54) .700 (17.7)