NTE1149 Integrated Circuit FM Tuning System Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage (Pin 14), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Lamp Voltage, VLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Lamp Current, VLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Operating Temperature Range (VCC = 12V), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +60°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55 to +125°C Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit VLAMP Voltage Gain from Terminal 1 to 13 is 35dB − 10 16 mV Lamp Turn ON − Vi = 10.7Mhz Lamp Turn OFF − Vi = 10.7Mhz (Note 1) 6 10 − mV Voltage Gain from Terminal 1 to 13 is 35dB − 7 − mV − 30 − dB 40 60 75 µA Muting On Output Voltage 1.8 23 − V Muting Off Output Voltage − 0.2 0.6 V At Lamp ON − 230 − mW At Lamp OFF − 150 − mW Lamp Voltage Tuning Meter Min. Operating Input Voltage Tuning Meter Operating Range Center Meter Output Current Internal Power Dissipation Meter Internal Input Resistance 20kΩ, Discriminator Vi = ±0.5V PD Pin Connection Diagram (Front View) From 10.7Hz 1 14 VCC Bias Control 2 13 RF/VCC Detector Input 3 12 Centering Meter Out Bypass 4 11 Centering Meter Out Signal Meter 5 10 Discriminator Input Lamp 6 9 Discriminator Input GND 7 8 Audio Muting 14 8 1 7 .827 (21.0) Max .300 (7.62) .197 (5.0) Max .100 (2.45) .600 (15.24) .099 (2.5) Min