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| NTE1290 Integrated Circuit AM Tuner for Car Radio Features: D Complete 1-Chip AM Tuner D Good High-Input Characteristics Provided with Automatic Dynamic Range Mag. Control at RF State (THD = 1% Typ. at 130dB) D High AGC FOM (63dB Typ) D Good Usable Sensitivity (23dB Typ.) D Low Distortion (0.4% Typ. at 74dB) D Good Beat Characteristics (3fi beat = 40dB at 108dB Input, at fi = 262.5kHz) D Large Two-Signal Selectivity (55dB Typ. at Desired 54dB) D Cut-Off Pop Noise at Detuning D Standard Power Supply Voltage Area is 10.8V through 15.6V (13.2V typ) and Local Oscillation Stopping Voltage is Less Than 6V. Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Power Dissipation (TA = +60C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Electrical Characteristics: (TA = +25C, VCC = 13.2V, fc = 1000kHz, fm = 400Hz, Output Power of Power Stage 0.5W, RL = 4 unless otherwise specified) Parameter Current Drain Signal-to-Noise Ratio AGC FOM Total Harmonic Distortion Sensitivity THD Symbol ICC S/N Test Conditions VCC = 13.2V at zero signal Input = 34dB, 30% MOD. Output Base at 74dB input, Test at the 10dB output down, 30% MOD. Input = 11dB, 30% MOD. Input at S/N = 20dB, 30% MOD. Min - 25.5 51 - - Typ 15 30 63 0.4 23 Max - - - 5 - Unit mA dB dB % dB Pin Connection Diagram RF Amp Input 1 RF Bypass 2 AGC Bypass 3 GND 4 1st Amp Output 5 2nd IF Amp Input 6 AGC Bypass 7 Detector Output 8 16 RF Amp Output 15 VCC 14 Converter Input 13 Low Input 12 Converter Output 11 GND 10 1st IF Amp Input 9 VCC 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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