CN105324938B - 在反馈回路中具有占空比调整的分频器 - Google Patents

在反馈回路中具有占空比调整的分频器 Download PDF

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Publication number
CN105324938B
CN105324938B CN201480035728.6A CN201480035728A CN105324938B CN 105324938 B CN105324938 B CN 105324938B CN 201480035728 A CN201480035728 A CN 201480035728A CN 105324938 B CN105324938 B CN 105324938B
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CN
China
Prior art keywords
duty cycle
signal
frequency
divider
latch
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.)
Expired - Fee Related
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CN201480035728.6A
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English (en)
Chinese (zh)
Other versions
CN105324938A (zh
Inventor
W－H·陈
S·斯里达拉
刘利
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN105324938A publication Critical patent/CN105324938A/zh
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Publication of CN105324938B publication Critical patent/CN105324938B/zh
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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
    • H03L7/16—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/08—Output circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/017—Adjustment of width or dutycycle of pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
    • H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Pulse Circuits (AREA)
CN201480035728.6A 2013-06-25 2014-06-18 在反馈回路中具有占空比调整的分频器 Expired - Fee Related CN105324938B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/926,631 US9379722B2 (en) 2013-06-25 2013-06-25 Frequency divider with duty cycle adjustment within feedback loop
US13/926,631 2013-06-25
PCT/US2014/042920 WO2014209715A1 (en) 2013-06-25 2014-06-18 Frequency divider with duty cycle adjustment within feedback loop

Publications (2)

Publication Number Publication Date
CN105324938A CN105324938A (zh) 2016-02-10
CN105324938B true CN105324938B (zh) 2018-10-26

Family

ID=51134456

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480035728.6A Expired - Fee Related CN105324938B (zh) 2013-06-25 2014-06-18 在反馈回路中具有占空比调整的分频器

Country Status (6)

Country Link
US (1) US9379722B2 (enExample)
EP (1) EP3014769A1 (enExample)
JP (1) JP2016525301A (enExample)
KR (1) KR20160022350A (enExample)
CN (1) CN105324938B (enExample)
WO (1) WO2014209715A1 (enExample)

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US9473120B1 (en) * 2015-05-18 2016-10-18 Qualcomm Incorporated High-speed AC-coupled inverter-based buffer with replica biasing
US9712113B2 (en) * 2015-12-01 2017-07-18 Analog Devices Global Local oscillator paths
US9755678B2 (en) 2015-12-01 2017-09-05 Analog Devices Global Low noise transconductance amplifiers
JP6985579B2 (ja) * 2016-07-27 2021-12-22 株式会社ソシオネクスト 分周補正回路、受信回路及び集積回路
CN106685412B8 (zh) * 2016-12-06 2020-01-10 浙江大学 分频器、分频器系统及分频处理方法
CN106685419B (zh) * 2016-12-20 2019-06-07 武汉邮电科学研究院 高精度的宽带分频器
US10148257B1 (en) * 2018-04-19 2018-12-04 Realtek Semiconductor Corp. Method and apparatus for generating twenty-five percent duty cycle clock
US11201611B2 (en) * 2018-12-12 2021-12-14 Intel Corporation Duty cycle control circuitry for input/output (I/O) margin control
US10979036B1 (en) * 2019-06-28 2021-04-13 Dialog Semiconductor B.V. Divider circuit
CN111257628B (zh) * 2020-03-05 2022-05-06 成都飞机工业（集团）有限责任公司 一种交流信号转换为脉冲信号的抗干扰方法

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US6218974B1 (en) * 1999-11-10 2001-04-17 Fujitsu Limited Data multiplexing in mixed-signal circuitry
CN101626237A (zh) * 2009-07-29 2010-01-13 钰创科技股份有限公司 具宽频率锁频范围与避免锁相错误的延迟锁相回路电路
US20100134154A1 (en) * 2007-04-02 2010-06-03 Xin He Odd number frequency dividing circuit

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US3805192A (en) 1972-08-09 1974-04-16 Electronic Communications Frequency modulator-variable frequency generator
JP2539667Y2 (ja) * 1988-06-15 1997-06-25 ソニー株式会社 デューティ可変回路
US6028491A (en) * 1998-04-29 2000-02-22 Atmel Corporation Crystal oscillator with controlled duty cycle
JP3745123B2 (ja) 1998-08-24 2006-02-15 三菱電機株式会社 デューティ比補正回路及びクロック生成回路
US6356129B1 (en) 1999-10-12 2002-03-12 Teradyne, Inc. Low jitter phase-locked loop with duty-cycle control
US7444534B2 (en) 2006-01-25 2008-10-28 International Business Machines Corporation Method and apparatus for dividing a digital signal by X.5 in an information handling system
US7330061B2 (en) * 2006-05-01 2008-02-12 International Business Machines Corporation Method and apparatus for correcting the duty cycle of a digital signal
US7705647B2 (en) 2006-06-14 2010-04-27 Qualcomm Incorporated Duty cycle correction circuit
JP2008011132A (ja) * 2006-06-29 2008-01-17 Nec Electronics Corp ９０度移相器
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EP2056459B1 (en) 2007-10-16 2012-04-18 austriamicrosystems AG Frequency divider and method for frequency division
US7944262B2 (en) * 2008-05-21 2011-05-17 Elpida Memory, Inc. Duty correction circuit
US7956696B2 (en) 2008-09-19 2011-06-07 Altera Corporation Techniques for generating fractional clock signals
US7839195B1 (en) 2009-06-03 2010-11-23 Honeywell International Inc. Automatic control of clock duty cycle
TWI456493B (zh) * 2010-12-29 2014-10-11 Silicon Motion Inc 除法方法及除法裝置
JP2012175441A (ja) * 2011-02-22 2012-09-10 Elpida Memory Inc 半導体装置
US8779810B2 (en) 2011-07-15 2014-07-15 Qualcomm Incorporated Dynamic divide by 2 with 25% duty cycle output waveforms
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TWI482435B (zh) * 2012-05-25 2015-04-21 Global Unichip Corp 工作週期校正電路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6218974B1 (en) * 1999-11-10 2001-04-17 Fujitsu Limited Data multiplexing in mixed-signal circuitry
US20100134154A1 (en) * 2007-04-02 2010-06-03 Xin He Odd number frequency dividing circuit
CN101626237A (zh) * 2009-07-29 2010-01-13 钰创科技股份有限公司 具宽频率锁频范围与避免锁相错误的延迟锁相回路电路

Also Published As

Publication number Publication date
JP2016525301A (ja) 2016-08-22
WO2014209715A1 (en) 2014-12-31
KR20160022350A (ko) 2016-02-29
EP3014769A1 (en) 2016-05-04
US9379722B2 (en) 2016-06-28
US20140375363A1 (en) 2014-12-25
CN105324938A (zh) 2016-02-10

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