поискавой системы для электроныых деталей |
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CXA1787N датащи(PDF) 10 Page - Sony Corporation |
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CXA1787N датащи(HTML) 10 Page - Sony Corporation |
10 / 13 page – 10 – CXA1787N 6. Reference signal (the input signal of reference counter) The external oscillator signal can be used as the reference signal by inputting the signal of the external oscillator to the OSCI pin, and the reference signal can be also generated by connecting the crystal resonator to the OSCI and OSCO pins. (1) Generation of the reference signal by the external oscillator Input the signal to the OSCI pin via a capacitor as shown below when the external oscillator signal is use as the reference signal. (2) Generation of the reference signal by the built-in oscillator Connect the crystal resonator between OSCI and OSCO pins as shown below. Use the crystal resonator of several MHz and confirm the stability of the oscillation and others. The capacitance ratio of CI and Co should be 1 to 2:1, and their values should be selected so that the serial capacitance of CI and Co may be the load capacitance specified by the crystal vibrator. Notes on Operation • This is ESD sensitive device due to handling the higher frequency signal of 2GHz; therefore prevent electrostatic damage more than 400V in the EIAJ system. • Make the input route of the RF signal from the VCO as short as possible. • Connect the Vcc and Vp pins to the ground respectively via the by-pass capacitors as short as possible because the frequency of signal used in this IC is higher. 1 2 3 OSCI NC OSCO 1 2 3 OSCI NC OSCO CI CO |
Аналогичный номер детали - CXA1787N |
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Аналогичное описание - CXA1787N |
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