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| NJM3359 LOW POWER NARROW BAND FM IF GENERAL DESCRIPTION The NJM3359 is a low power narrow band FM detector integrated circuit. for FM dual conversion of communication equipment. The NJM3359 includes oscillator, limiting amplifier, AFC circuit, quadrature detect, operational amplifier, squelch circuit, scan-control and muting switch. The NJM3359 is a circuit of NJM3357 plus one stage limiting IF amplifier and AFC output terminal. PACKAGE OUTLINE NJM3359D FEATURES Low Operating Current Input Limiting Voltage Minimum other parts. Package Outline Bipolar Technology (3.6mA typ@V+=6V) (2.0Vrms typ@-3dB) DIP18 RECOMMENDED OPERATIONAL CODITION Operating Voltage 4 to 9V PIN CONFIGURATION NJM3359D Ver.2003-12-09 -1- NJM3359 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Muting Function Operating Temperature Range Storage Temperature Range SYMBOL V + (Ta=25C) RATINGS 12 1.0 -0.7 to 12 -40 to 85 -40 to 125 UNIT V Vrms VPK C C V18 V16 Topr Tstg ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Squelch OFF Squelch ON Input Sensitivity (S / N : 20dB) Input Limitting Voltage (-3dB) Mixer Voltage Gain Mixer Intercept Point Mixer Input Resistance Mixer Input Capacitance Recovered Audio Output Voltage Detector Center Frequency Slope AFC Center Frequency Slope Filter Gain Squelch Threshold Voltage Scan Control Current PIN 10, VIN=1.0mVrms PIN 10 PIN 11, RL= fIN=10kHz, VIN=5mV PIN 14, 10k PIN 15 PIN 14 - High - Low Mute Switch Impedance PIN 16 - GND PIN14 - High - Low PIN 18 - PIN 3 Open 50 input PIN 4,8 PIN (V+=6V, fO=10.7MHz, f=3.0kHz, fmod=1.0kHz, Ta=25C) MIN. TYP. MAX. UNIT 450 40 2.0 - 3.6 5.4 8.0 2.0 33 -1.0 3.6 2.2 700 0.3 12 51 0.62 0.01 2.4 5.0 1.5 6.0 7.0 1.0 10 - mA mA Vrms Vrms dB dBm k pF mVrms V / kHz V / kHz dB Vdc A mA M -2- Ver.2003-12-09 NJM3359 TEST CIRCUIT APPLICATION EXAMPLE Ver.2003-12-09 -3- NJM3359 TYPICAL CHARACTERISTICS Input - Output Local OSC Frequency AFC Characteristics Mixer Gain vs. Input Frequency Temperature Characteristics Demodulator Output [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. -4- Ver.2003-12-09 |
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