JP4651298B2 - 周波数自動補正ｐｌｌ回路 - Google Patents

周波数自動補正ｐｌｌ回路 Download PDF

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Publication number
JP4651298B2
JP4651298B2 JP2004113725A JP2004113725A JP4651298B2 JP 4651298 B2 JP4651298 B2 JP 4651298B2 JP 2004113725 A JP2004113725 A JP 2004113725A JP 2004113725 A JP2004113725 A JP 2004113725A JP 4651298 B2 JP4651298 B2 JP 4651298B2
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threshold
low
circuit
comparator
state
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JP2005303483A (ja
JP2005303483A5 (enExample
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勉 吉村
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Priority to US11/087,591 priority patent/US7519140B2/en
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Publication of JP2005303483A5 publication Critical patent/JP2005303483A5/ja
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/104—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional signal from outside the loop for setting or controlling a parameter in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
JP2004113725A 2004-04-08 2004-04-08 周波数自動補正ｐｌｌ回路 Expired - Lifetime JP4651298B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004113725A JP4651298B2 (ja) 2004-04-08 2004-04-08 周波数自動補正ｐｌｌ回路
US11/087,591 US7519140B2 (en) 2004-04-08 2005-03-24 Automatic frequency correction PLL circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004113725A JP4651298B2 (ja) 2004-04-08 2004-04-08 周波数自動補正ｐｌｌ回路

Publications (3)

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JP2005303483A JP2005303483A (ja) 2005-10-27
JP2005303483A5 JP2005303483A5 (enExample) 2007-04-19
JP4651298B2 true JP4651298B2 (ja) 2011-03-16

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US (1) US7519140B2 (enExample)
JP (1) JP4651298B2 (enExample)

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US20050226357A1 (en) 2005-10-13
US7519140B2 (en) 2009-04-14
JP2005303483A (ja) 2005-10-27

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