TW332950B - PLL circuit and noise reduction - Google Patents

PLL circuit and noise reduction

Info

Publication number
TW332950B
TW332950B TW085115358A TW85115358A TW332950B TW 332950 B TW332950 B TW 332950B TW 085115358 A TW085115358 A TW 085115358A TW 85115358 A TW85115358 A TW 85115358A TW 332950 B TW332950 B TW 332950B
Authority
TW
Taiwan
Prior art keywords
dff
given
noise reduction
pll circuit
output
Prior art date
Application number
TW085115358A
Other languages
English (en)
Inventor
Masataka Ichihara
Original Assignee
Nippon Electric Co
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 Nippon Electric Co filed Critical Nippon Electric Co
Application granted granted Critical
Publication of TW332950B publication Critical patent/TW332950B/zh

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
    • H03L7/16—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
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
TW085115358A 1995-12-15 1996-12-12 PLL circuit and noise reduction TW332950B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7326971A JP2836555B2 (ja) 1995-12-15 1995-12-15 Ｐｌｌ回路

Publications (1)

Publication Number Publication Date
TW332950B true TW332950B (en) 1998-06-01

Family

ID=18193851

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085115358A TW332950B (en) 1995-12-15 1996-12-12 PLL circuit and noise reduction

Country Status (7)

Country Link
US (1) US6249560B1 (zh)
JP (1) JP2836555B2 (zh)
KR (1) KR100256838B1 (zh)
CN (1) CN1287526C (zh)
AU (1) AU722717B2 (zh)
CA (1) CA2192881C (zh)
TW (1) TW332950B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6784751B2 (en) * 2001-09-18 2004-08-31 Nokia Corporation Method and apparatus providing resampling function in a modulus prescaler of a frequency source
US7088797B2 (en) * 2002-09-10 2006-08-08 Broadcom Corporation Phase lock loop with cycle drop and add circuitry
US7643591B2 (en) * 2006-07-26 2010-01-05 International Business Machines Corproation Transition balancing for noise reduction /Di/Dt reduction during design, synthesis, and physical design
US20080111597A1 (en) * 2006-11-09 2008-05-15 International Business Machines Corporation Systems and Arrangements for Controlling a Phase Locked Loop
US7823107B2 (en) * 2007-10-19 2010-10-26 International Business Machines Corporation Transition balancing for noise reduction/Di/Dt reduction during design, synthesis, and physical design
KR100983055B1 (ko) * 2008-08-28 2010-09-17 전자부품연구원 무선통신 시스템용 주파수 분주기 및 이의 구동방법
JP6435683B2 (ja) * 2014-07-23 2018-12-12 株式会社ソシオネクスト Ｐｌｌ回路および半導体集積回路
US9571109B2 (en) * 2015-03-27 2017-02-14 International Business Machines Corporation Voltage controlled oscillator runaway prevention

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63281519A (ja) * 1987-05-13 1988-11-18 Noboru Yamaguchi 同期クロック信号発生装置
US4791488A (en) * 1987-08-12 1988-12-13 Rca Licensing Corporation Line-locked clock signal generation system
US4888564A (en) * 1987-11-06 1989-12-19 Victor Company Of Japan, Ltd. Phase-locked loop circuit
JP2748676B2 (ja) 1990-09-19 1998-05-13 日本電気株式会社 Ｐｌｌ回路
US5216387A (en) * 1991-09-10 1993-06-01 John Fluke Mfg. Co., Inc. Noise reduction method and apparatus for phase-locked loops
JPH066213A (ja) * 1992-06-22 1994-01-14 Hitachi Ltd Ｐｌｌ回路のロック検出回路
JP2859082B2 (ja) * 1993-05-17 1999-02-17 日本電気アイシーマイコンシステム株式会社 ビットクロック再生装置

Also Published As

Publication number Publication date
JP2836555B2 (ja) 1998-12-14
KR100256838B1 (ko) 2000-05-15
AU7531596A (en) 1997-06-19
JPH09167961A (ja) 1997-06-24
CN1287526C (zh) 2006-11-29
CA2192881C (en) 2000-07-04
KR970055559A (ko) 1997-07-31
CA2192881A1 (en) 1997-06-16
CN1162871A (zh) 1997-10-22
AU722717B2 (en) 2000-08-10
US6249560B1 (en) 2001-06-19

Similar Documents

Publication Publication Date Title
CA2057400A1 (en) A clock buffer with adjustable delay and fixed duty cycle output
EP0657796A3 (en) A clock generator and phase comparator for use in such a clock generator
ES487141A1 (es) Conexion digital de regulacion de fases con una conexion - auxiliar, especialmente para sintonizadores de aparatos de -television.
EP0865158A3 (en) Sampling frequency conversion apparatus and fractional frequency dividing apparatus for sampling frequency conversion
TW332950B (en) PLL circuit and noise reduction
WO2000028340A8 (en) Analog clock module
DE3566480D1 (en) Frequency synthesis circuit for the generation of an analogous signal with a digitally stepwise tunable frequency
JPS5539490A (en) Phase synchronizing signal generator circuit
GB1425654A (en) Waveform generator
GB2066988B (en) Frequency divider
AUPM587094A0 (en) Microwave loop oscillators
EP0766404A3 (en) Clock generator utilizing phase locked loop circuit
AU3114400A (en) Low jitter high phase resolution pll-based timing recovery system
JPS5484471A (en) Anti-phase clock type ring counter
EP0610052A3 (en) Method and device for clock control.
JPS6413833A (en) Frame synchronizing clock generating circuit
JPS566528A (en) Signal converter
TW283281B (en) Frequency phase comparator
JPS5731044A (en) Multipurpose digital integral device
JPS54124662A (en) Digital phase synchronizing loop
JPS60241338A (ja) 符号・復号器
JPS5333038A (en) Phase synchronizing oscillator
JPS56152324A (en) Timing signal generating circuit
JPS6489620A (en) N-fraction type frequency synthesizer
JPS5592042A (en) Phase lock loop circuit

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees