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