Integrated Circuit FM/AM IF System - NTE
Description
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 = +25°C unless otherwise specified) Supply Voltage, VCC .
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8V Power Dissipation, PD .
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750mW Derated Above 25°C .
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6mW/°C Operating Temperature Range, Topr .
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–25° to +75°C Storage Temperature Range, Tstg .
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–55° to +150°C Electrical Characteristics: (TA = +25°C 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 = 60dBµV fIN = 455kHz, VIN = 20dBµV VIN = 60dBµV 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 = 60dBµV VIN = 80dBµV VIN = 80dBµV AM: 1kHz, 30%, FM: ∆f = ±22.
5kHz VIN = 80dBµV VIn = 80dBµV – – – 40 – – – 0.
8 17 15 34 60 70 0.
3 50 1.
0 31 31 40 80 – – – 1.
2 mA mA dBµV mVrms dB % dB V(DC) Symbol Test Conditions Min Typ Max Unit
THD(AM) VIN = 60dBµV
Pin Connection Diagram
GND 1 AM Output 2 VCC 2 3 FM Output 2 (AFC) 4 Qua...
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