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| NTE1654 Integrated Circuit FM/AM IF System (Low Supply Voltage Use) Features: D FM IF Amplifier D FM Quadrature Detector D AM Mixer D AM Local Oscillator D AM IF Amplifier D D D D AM Detector Signal Meter Driver Low Supply Voltage Use: VCC = 3V to 8V Very Few External Parts Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW Derated Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6mW/C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter FM Supply Current ICC VIN(lim) VOD(1) S/N(1) THD(1) AMR V2(FM) VOD(AM) GAIN V2(AM) S/N(AM) Vstop VIN = 0 at FM VIN = 0 at AM Input Limiting Voltage Recovered Output Voltage Signal to Noise Ratio Total Harmonic Distortion AM Rejection Ratio Meter Driver Voltage AM Recovered Output Voltage Gain Meter Driver Voltage Total Harmonic Distortion Signal to Noise Ratio Local OSC. Stop Voltage VIN = 60dBV fIN = 455kHz, VIN = 20dBV VIN = 60dBV VIN = 60dB 90 10 - - - - 130 24 1.0 1.0 40 1.5 180 52 - - - - mVrms mVrms VDC % dB VDC -3dB Limiting f = 22.5kHz, VIN = 60dBV VIN = 80dBV VIN = 80dBV AM: 1kHz, 30%, FM: f = 22.5kHz VIN = 80dBV VIn = 80dBV - - - 40 - - - 0.8 17 15 34 60 70 0.3 50 1.0 31 31 40 80 - - - 1.2 mA mA dBV mVrms dB % dB V(DC) Symbol Test Conditions Min Typ Max Unit THD(AM) VIN = 60dBV Pin Connection Diagram GND 1 AM Output 2 VCC 2 3 FM Output 2 (AFC) 4 Quad 5 AGC 6 7 IF 2 Input 8 16 AM OSC 15 Mixer Output 14 VCC 1 13 AM Mixer Input 12 IF 1 Input 11 AM/FM Switch 10 IF 1 Output 9 Bypass 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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