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| Datasheet File OCR Text: |
| NTE1843 Integrated Circuit FM Front End Description: The NTE1843 is an integrated circuit in a 9-Lead SIP type package designed for use in FM front-end applications. Typical applications include portable radio and radio cassettes. Compared with conventional types, supply voltage dependence, overload characteristics and spurious radiation characteristics are improved. Features: D Wide Supply Voltage Range: VCC = 1.6V to 6.0V D Excellent Supply Voltage Dependence of Loacl Oscillator: Oscillator Stop VCC = 0.9V Typ D Improved Inter-Modulation Charactristics by Double Balanced Type Mixer Circuit D Low Spurious Radiation D Built-In Clamping Diode for the Local Oscillator Output Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4mW/C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Electrical Characteristics: (TA = +25C, VCC = 5V, f = 83MHz, fm = 1kHz, f = 22.5kHz dev. unless otherwise specified) Parameter Supply Current -3dB Limiting Sensitivity Quiescent Sensitivity Conversion Gain Local OSC Voltage Parallel Input Resistance (Pin1 Impedance) Parallel Output Resistance (Pin3 Impedance) Parallel Output Capacitance (Pin3 Impedance) Parallel Input Resistance (Pin4 Impedance) Parallel Input Capacitance (Pin4 Impedance) Parallel Output Resistance (Pin6 Impedance) Parallel Output Capacitance (Pin6 Impedance) Local OSC Stop Voltage Symbol ICC Vin(lim) QS GC VOSC rip1 rop3 cop3 rip4 cip4 rop6 cop6 Vstop f = 10.7MHz f = 83MHz fOSC = 60MHz Test Conditions VIN = 0 Min - - - - 150 - - - - - - - - Typ 5.2 3.0 11 31 230 57 25 2.0 2.7 3.3 100 4.8 0.9 Max 8.0 7.0 - - 350 - - - - - 0 - 1.3 Unit mA dB dB dB mVrms k pF k pF k pF V Pin Connection Diagram (Front View) 9 VCC 8 OSC Output 7 OSC Input 6 Mixer Output 5 GND 4 Mixer Input 3 Tuning Coil 2 Bypass 1 RF Input .126 (3.2) .906 (23.0) Max .323 (8.2) Max 1 9 .100 (2.54) .020 (0.50) .800 (20.3) .099 (2.5) Min |
Price & Availability of NTE1843
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