JPS56136037A - Phase synchronizing oscillator - Google Patents

Phase synchronizing oscillator

Info

Publication number
JPS56136037A
JPS56136037A JP3842280A JP3842280A JPS56136037A JP S56136037 A JPS56136037 A JP S56136037A JP 3842280 A JP3842280 A JP 3842280A JP 3842280 A JP3842280 A JP 3842280A JP S56136037 A JPS56136037 A JP S56136037A
Authority
JP
Japan
Prior art keywords
output
voltage
pll
frequency
vco6
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP3842280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6247381B2 (enrdf_load_stackoverflow
Inventor
Takashi Matsuura
Tetsuo Hanazawa
Sadayuki Nishiki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone Corp
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP3842280A priority Critical patent/JPS56136037A/ja
Publication of JPS56136037A publication Critical patent/JPS56136037A/ja
Publication of JPS6247381B2 publication Critical patent/JPS6247381B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/199—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/08—Modifications of the phase-locked loop for ensuring constant frequency when the power supply fails or is interrupted, e.g. for saving power

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP3842280A 1980-03-26 1980-03-26 Phase synchronizing oscillator Granted JPS56136037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3842280A JPS56136037A (en) 1980-03-26 1980-03-26 Phase synchronizing oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3842280A JPS56136037A (en) 1980-03-26 1980-03-26 Phase synchronizing oscillator

Publications (2)

Publication Number Publication Date
JPS56136037A true JPS56136037A (en) 1981-10-23
JPS6247381B2 JPS6247381B2 (enrdf_load_stackoverflow) 1987-10-07

Family

ID=12524871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3842280A Granted JPS56136037A (en) 1980-03-26 1980-03-26 Phase synchronizing oscillator

Country Status (1)

Country Link
JP (1) JPS56136037A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57109428A (en) * 1980-11-10 1982-07-07 Gen Electric Storage battery saving type frequency synthesizer
JPS5866423A (ja) * 1981-10-16 1983-04-20 Nippon Telegr & Teleph Corp <Ntt> フエ−ズロツクル−プ回路
JPS58159029A (ja) * 1982-03-16 1983-09-21 Nippon Telegr & Teleph Corp <Ntt> 位相同期発振器
US4667169A (en) * 1985-07-15 1987-05-19 Nec Corporation Phase-locked loop frequency synthesizer having reduced power consumption
US4673892A (en) * 1985-05-13 1987-06-16 Nec Corporation Phase locked loop frequency synthesizer with battery saving circuit
US5282223A (en) * 1991-10-09 1994-01-25 Kabushiki Kaisha Network Supply Digital transmission control equipment
WO2001086815A3 (en) * 2000-05-09 2002-04-04 Qualcomm Inc Method and apparatus for reducing pll lock time
JP2007189638A (ja) * 2006-01-16 2007-07-26 Nec Corp 位相同期回路
CN113098501A (zh) * 2021-06-07 2021-07-09 成都市克莱微波科技有限公司 一种宽带小型化快速频综的设计方法

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57109428A (en) * 1980-11-10 1982-07-07 Gen Electric Storage battery saving type frequency synthesizer
JPS5866423A (ja) * 1981-10-16 1983-04-20 Nippon Telegr & Teleph Corp <Ntt> フエ−ズロツクル−プ回路
JPS58159029A (ja) * 1982-03-16 1983-09-21 Nippon Telegr & Teleph Corp <Ntt> 位相同期発振器
US4673892A (en) * 1985-05-13 1987-06-16 Nec Corporation Phase locked loop frequency synthesizer with battery saving circuit
US4667169A (en) * 1985-07-15 1987-05-19 Nec Corporation Phase-locked loop frequency synthesizer having reduced power consumption
US5282223A (en) * 1991-10-09 1994-01-25 Kabushiki Kaisha Network Supply Digital transmission control equipment
WO2001086815A3 (en) * 2000-05-09 2002-04-04 Qualcomm Inc Method and apparatus for reducing pll lock time
US6731146B1 (en) 2000-05-09 2004-05-04 Qualcomm Incorporated Method and apparatus for reducing PLL lock time
JP2004516692A (ja) * 2000-05-09 2004-06-03 クゥアルコム・インコーポレイテッド Ｐｌｌロック時間を低減するための方法および装置
JP2007189638A (ja) * 2006-01-16 2007-07-26 Nec Corp 位相同期回路
CN113098501A (zh) * 2021-06-07 2021-07-09 成都市克莱微波科技有限公司 一种宽带小型化快速频综的设计方法

Also Published As

Publication number Publication date
JPS6247381B2 (enrdf_load_stackoverflow) 1987-10-07

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