IL92769A - High speed programmable divider - Google Patents

High speed programmable divider

Info

Publication number
IL92769A
IL92769A IL92769A IL9276989A IL92769A IL 92769 A IL92769 A IL 92769A IL 92769 A IL92769 A IL 92769A IL 9276989 A IL9276989 A IL 9276989A IL 92769 A IL92769 A IL 92769A
Authority
IL
Israel
Prior art keywords
high speed
programmable divider
speed programmable
divider
speed
Prior art date
Application number
IL92769A
Other languages
English (en)
Other versions
IL92769A0 (en
Original Assignee
Hughes Aircraft 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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL92769A0 publication Critical patent/IL92769A0/xx
Publication of IL92769A publication Critical patent/IL92769A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/665—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by presetting
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/08—Output circuits
    • H03K21/10—Output circuits comprising logic circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/667—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by switching the base during a counting cycle
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/68—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is a non-integer
IL92769A 1988-12-19 1989-12-18 High speed programmable divider IL92769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/286,435 US4975931A (en) 1988-12-19 1988-12-19 High speed programmable divider

Publications (2)

Publication Number Publication Date
IL92769A0 IL92769A0 (en) 1990-09-17
IL92769A true IL92769A (en) 1993-02-21

Family

ID=23098597

Family Applications (1)

Application Number Title Priority Date Filing Date
IL92769A IL92769A (en) 1988-12-19 1989-12-18 High speed programmable divider

Country Status (11)

Country Link
US (1) US4975931A (xx)
EP (1) EP0406366B1 (xx)
JP (1) JP2577134B2 (xx)
KR (1) KR940007543B1 (xx)
AU (1) AU618434B2 (xx)
CA (1) CA2003466C (xx)
DE (1) DE68915756T2 (xx)
ES (1) ES2020823A6 (xx)
IL (1) IL92769A (xx)
NO (1) NO303308B1 (xx)
WO (1) WO1990007232A1 (xx)

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US5195111A (en) * 1990-09-07 1993-03-16 Nihon Musen Kabushiki Kaisha Programmable frequency dividing apparatus
JP2842004B2 (ja) * 1992-02-03 1998-12-24 日本電気株式会社 回路のテスト方式
US5428769A (en) * 1992-03-31 1995-06-27 The Dow Chemical Company Process control interface system having triply redundant remote field units
EP0602422A1 (en) * 1992-12-15 1994-06-22 International Business Machines Corporation Dynamic frequency shifting with divide by one clock generators
EP0683566A1 (de) * 1994-05-17 1995-11-22 Siemens Aktiengesellschaft Schaltungsanordnung zum Teilen eines Taktsignals
DE19519321C2 (de) * 1995-05-26 1997-10-16 Gerhard Kultscher Ind Elektron Frequenzteiler mit dualer, aktaler, dezimaler oder hexadezimaler Divisoreingabe
EP0766403B1 (en) * 1995-09-28 2003-12-10 Sanyo Electric Co. Ltd Variable frequency divider
EP1020994A1 (en) * 1995-11-22 2000-07-19 Sanyo Electric Co., Ltd. PLL with variable (N+1/2) frequency dividing ratio
FI100285B (fi) * 1995-12-11 1997-10-31 Nokia Mobile Phones Ltd Taajuudenmuodostuspiiri
EP1005164B1 (en) * 1996-01-09 2002-11-20 SANYO ELECTRIC Co., Ltd. Variable frequency divider
US5748949A (en) * 1996-07-02 1998-05-05 Motorola Inc. Counter having programmable periods and method therefor
US6065140A (en) * 1997-04-30 2000-05-16 Motorola, Inc. Optimized computation of first and second divider values for a phase locked loop system
US5970110A (en) * 1998-01-09 1999-10-19 Neomagic Corp. Precise, low-jitter fractional divider using counter of rotating clock phases
US6114915A (en) * 1998-11-05 2000-09-05 Altera Corporation Programmable wide-range frequency synthesizer
US7003475B1 (en) 1999-05-07 2006-02-21 Medcohealth Solutions, Inc. Computer implemented resource allocation model and process to dynamically and optimally schedule an arbitrary number of resources subject to an arbitrary number of constraints in the managed care, health care and/or pharmacy industry
DE19930179C2 (de) * 1999-06-30 2001-07-05 Infineon Technologies Ag Hochgeschwindigkeitszähler
KR100510844B1 (ko) * 1999-08-21 2005-08-31 재단법인 포항산업과학연구원 중량 팔레트의 지지부재 최적위치 결정방법
DE10002361C1 (de) 2000-01-20 2001-01-25 Infineon Technologies Ag Frequenzteiler
US6789041B1 (en) * 2001-05-08 2004-09-07 Miranova Systems, Inc. Bi-directional signal converter
US6690525B2 (en) * 2001-05-25 2004-02-10 Infineon Technologies Ag High-speed programmable synchronous counter for use in a phase locked loop
US6975682B2 (en) * 2001-06-12 2005-12-13 Raytheon Company Multi-bit delta-sigma analog-to-digital converter with error shaping
US6611573B2 (en) * 2001-08-14 2003-08-26 Sun Microsystems, Inc. Non-integer division of frequency
US6725245B2 (en) 2002-05-03 2004-04-20 P.C. Peripherals, Inc High speed programmable counter architecture
US6879654B2 (en) * 2003-04-25 2005-04-12 International Business Machines Corporation Non-integer frequency divider circuit
US7336756B2 (en) * 2004-10-25 2008-02-26 Miranova Systems, Inc. Reprogrammable bi-directional signal converter
US7231012B2 (en) * 2004-11-30 2007-06-12 Stmicroelectronics Pvt. Ltd. Programmable frequency divider
US8149022B2 (en) * 2007-02-09 2012-04-03 Mediatek Inc. Digital delay line based frequency synthesizer
US8131242B2 (en) * 2007-07-02 2012-03-06 Sony Corporation System and method for implementing a swap function for an IQ generator
US8242850B2 (en) * 2008-08-28 2012-08-14 Resonance Semiconductor Corporation Direct digital synthesizer for reference frequency generation
US7724097B2 (en) * 2008-08-28 2010-05-25 Resonance Semiconductor Corporation Direct digital synthesizer for reference frequency generation
EP2806562A1 (en) * 2013-05-22 2014-11-26 Asahi Kasei Microdevices Corporation Programmable frequency divider module with duty cycle close to fifty percent
US9106216B1 (en) * 2014-07-31 2015-08-11 Microsoft Technology Licensing Llc Programmable pulse generation
CN113381752B (zh) * 2021-06-24 2023-02-28 成都纳能微电子有限公司 半分频电路及方法
US11874693B2 (en) 2022-05-24 2024-01-16 Analog Devices International Unlimited Company Reconfigurable clock divider

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873815A (en) * 1973-03-19 1975-03-25 Farinon Electric Frequency division by an odd integer factor
US3959737A (en) * 1974-11-18 1976-05-25 Engelmann Microwave Co. Frequency synthesizer having fractional frequency divider in phase-locked loop
US4017719A (en) * 1975-12-18 1977-04-12 Rca Corporation Binary rate multiplier with means for spacing output signals
US4193037A (en) * 1978-03-20 1980-03-11 Motorola, Inc. Frequency divider circuit with selectable integer/non-integer division
DE2826321C3 (de) * 1978-06-15 1981-02-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Digitaler Frequenzteiler
JPS5637734A (en) * 1979-09-04 1981-04-11 Matsushita Electric Ind Co Ltd Frequency dividing device
JPS5718129A (en) * 1980-07-07 1982-01-29 Nec Corp Pulse swallow frequency divider
JPS5718128A (en) * 1980-07-08 1982-01-29 Yamatake Honeywell Co Ltd Frequency dividing circuit
JPS5733471A (en) * 1980-07-31 1982-02-23 Fujitsu Ltd Memory access control system for multiprocessor
JPS57133728A (en) * 1981-02-12 1982-08-18 Matsushita Electric Ind Co Ltd Frequency divider
JPS59135684A (ja) * 1983-01-24 1984-08-03 Fujitsu Ltd バツフアメモリ間のデ−タバイパス方式
JPS59190724A (ja) * 1983-04-14 1984-10-29 Fuji Electric Co Ltd 周波数可変のパルス発生器
JPS603228A (ja) * 1983-06-20 1985-01-09 Nec Home Electronics Ltd 分周回路
US4555793A (en) * 1983-11-28 1985-11-26 Allied Corporation Averaging non-integer frequency division apparatus
US4773031A (en) * 1984-12-24 1988-09-20 Tektronix, Inc. Method and circuit for digital frequency multiplication
US4623846A (en) 1985-02-14 1986-11-18 Motorola, Inc. Constant duty cycle, frequency programmable clock generator
US4658406A (en) * 1985-08-12 1987-04-14 Andreas Pappas Digital frequency divider or synthesizer and applications thereof
JPS62120553A (ja) * 1985-11-20 1987-06-01 Nec Corp 命令キヤツシユメモリ方式
US4837721A (en) * 1986-06-30 1989-06-06 Itt Defense Communications, A Division Of Itt Corporation Digital divider with integer and fractional division capability
US4856032A (en) * 1987-01-12 1989-08-08 Motorola, Inc. High speed programmable frequency divider and PLL
US4809221A (en) * 1987-01-28 1989-02-28 Megatest Corporation Timing signal generator
DE3705629A1 (de) * 1987-02-21 1988-09-01 Thomson Brandt Gmbh Programmierbarer frequenzteiler sowie verfahren zur erzeugung eines niederfrequenten signals aus einem hochfrequenten signal
US4807266A (en) * 1987-09-28 1989-02-21 Compaq Computer Corporation Circuit and method for performing equal duty cycle odd value clock division and clock synchronization

Also Published As

Publication number Publication date
EP0406366A1 (en) 1991-01-09
AU4653889A (en) 1990-07-10
NO303308B1 (no) 1998-06-22
KR910700567A (ko) 1991-03-15
EP0406366B1 (en) 1994-06-01
NO903620D0 (no) 1990-08-16
KR940007543B1 (ko) 1994-08-19
CA2003466C (en) 1995-01-31
AU618434B2 (en) 1991-12-19
DE68915756D1 (de) 1994-07-07
JP2577134B2 (ja) 1997-01-29
US4975931A (en) 1990-12-04
WO1990007232A1 (en) 1990-06-28
JPH03502870A (ja) 1991-06-27
NO903620L (no) 1990-08-16
DE68915756T2 (de) 1994-09-22
ES2020823A6 (es) 1991-10-01
IL92769A0 (en) 1990-09-17
CA2003466A1 (en) 1990-06-19

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Legal Events

Date Code Title Description
HC Change of name of proprietor(s)
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees