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| Datasheet File OCR Text: |
| NTE1242 Integrated Circuit FM/AM IF Amp, AM Converter Features: D Separate AM and FM Circuitry D Ceramic Filters Can be Used. D Same AM and FM Detection Output Level Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.6V Circuit Voltages, V8-7, V15-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Power Dissipation (TA = +75C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Electrical Characteristics: (VCC = 8V, TA = +25C unless otherwise specified) Parameter Total Circuit Current Detector Output Voltage AM-IF FM-IF Circuit Voltages V3-2 Symbol Itot VO Vi = 22dBV, f = 1MHz, fm = 400Hz, 30% MOD Vi = 33dBV, fm = 400Hz, fd = 22.5kHz, f = 10.7MHz Test Conditions Min Typ Max Unit 15 2.4 3.8 - 24 6.0 34 9.5 mA mV 7.0 10.0 mV 3.0 - V V7-6 V12-4 V4-8 V4-9 V15-4 V10 = 1.0V V10 = 1.4V - - - - - - 1.7 - 66 120 240 62 - 30 - - - - V mV mV mV mV mV Pin Connection Diagram FM IF Output 1 GND 2 1st IF Output 3 VCC 4 2nd IF Input 5 GND 6 Bypass 7 2nd IF Output 8 16 Bypass 15 OSC Feedback 14 OSC Tank 13 AM Input (Converter) 12 Converter Output 11 2nd IF (AM) Input 10 AGC Bypass 9 2nd IF (AM) Output 16 9 .260 (6.6) Max 1 8 .785 (19.9) Max .200 (5.08) Max .245 (6.22) Min .300 (7.62) .100 (2.54) .700 (17.7) |
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