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| Datasheet File OCR Text: |
| NTE1494 Integrated Circuit AM radio Receiver System Features: D Excellent overload characteristics D Low harmonic distortion D Buffered output signal for tuning meter D Delayed AGC for RF amplifier D Low noise RF amplifier D Wide supply voltage range: 9 to 14V Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V Power Dissipation, PT* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 +60C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 +125C Electrical Characteristics: (VCC = 13V, TA = 25C, unless otherwise specified) Symbol V12 V1 V3 V4 V2 V5 V6 V7 V8 V9 V10 V11 V13 V15 V14 Test Conditions Min - - - - - - - - - - - - - - - Typ 12 11 11 11 2.8 5 9.4 2 0.92 0.01 3.8 4.4 2.8 2.8 2.85 Max - - - - - - - - - - - - - - - V Unit Symbol I1 I3 I4 I12 Io Test Conditions Min - - - - - Typ 4 0.5 10 8 22.5 Max 5.5 0.7 17 13.5 36.7 Unit mA Electrical Characteristics-2: (VCC = 13V, fo = 1MHz. fm = 400Hz, 30% mod., TA = 25C) Symbol T.H.D. TH D Vn I9 Q.S (S+N)/N Vin max I9 max Tweet Rej. Test Conditions ANT. Input = 74dB ANT.Input = 104dB ANT.Input = 34dB ANT.Input=74dB ANT.Input=0dB (S+N)/N=30dB ANT. Input = 60dB ANT.Input=74dB T.H.D. = 1% ANT. Input=110dB ANT. Input = 60dB See Test Circuit Min - - - - - - - - - - - Typ 0.3 0.3 4 0.55 10 32 54 54 109 165 32 Max 1.1 1.1 6.2 1.1 15 - - - - - - Unit % mVrms A dB dB dB A dB Pin Connection Diagram Mixer Output 1 OSC Input 2 OSC Output 3 VCC 4 Mixer Input 5 RF Output 6 AGC Filter for 7 RF Amp RF Input 8 16 GND 15 IF Input 14 AGC Filter 13 IF Output 12 VCC 11 Detector Input 10 Detector Output 9 Tuning Meter Driver .245 (6.22) Min 16 9 .260 (6.6) Max 1 .785 (19.9) Max 8 .300 (7.62) .200 (5.08) Max .100 (2.54) .700 (17.7) |
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