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DE3869695D1 - Verfahren und vorrichtung zur hoeheren frequenzaufloesung eines signals niedriger frequenz. - Google Patents

Verfahren und vorrichtung zur hoeheren frequenzaufloesung eines signals niedriger frequenz.

Info

Publication number
DE3869695D1
DE3869695D1 DE8888901993T DE3869695T DE3869695D1 DE 3869695 D1 DE3869695 D1 DE 3869695D1 DE 8888901993 T DE8888901993 T DE 8888901993T DE 3869695 T DE3869695 T DE 3869695T DE 3869695 D1 DE3869695 D1 DE 3869695D1
Authority
DE
Germany
Prior art keywords
frequency signal
low frequency
higher frequency
resolution
frequency resolution
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
Application number
DE8888901993T
Other languages
English (en)
Inventor
D Underwood
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.)
Raytheon Co
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
Application granted granted Critical
Publication of DE3869695D1 publication Critical patent/DE3869695D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03K5/01—Shaping pulses
    • H03K5/04—Shaping pulses by increasing duration; by decreasing duration
    • H03K5/05—Shaping pulses by increasing duration; by decreasing duration by the use of clock signals or other time reference signals
    • 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
    • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • H03K5/131—Digitally controlled
    • 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
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/0015—Layout of the delay element
    • H03K2005/00234—Layout of the delay element using circuits having two logic levels
    • 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
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/0015—Layout of the delay element
    • H03K2005/00234—Layout of the delay element using circuits having two logic levels
    • H03K2005/00254—Layout of the delay element using circuits having two logic levels using microprocessors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE8888901993T 1987-03-09 1988-01-28 Verfahren und vorrichtung zur hoeheren frequenzaufloesung eines signals niedriger frequenz. Expired - Fee Related DE3869695D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/023,502 US4818894A (en) 1987-03-09 1987-03-09 Method and apparatus for obtaining high frequency resolution of a low frequency signal
PCT/US1988/000253 WO1988007289A1 (en) 1987-03-09 1988-01-28 Method and apparatus for obtaining high frequency resolution of a low frequency signal

Publications (1)

Publication Number Publication Date
DE3869695D1 true DE3869695D1 (de) 1992-05-07

Family

ID=21815465

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888901993T Expired - Fee Related DE3869695D1 (de) 1987-03-09 1988-01-28 Verfahren und vorrichtung zur hoeheren frequenzaufloesung eines signals niedriger frequenz.

Country Status (6)

Country Link
US (1) US4818894A (de)
EP (1) EP0304450B1 (de)
JP (1) JPH01503029A (de)
DE (1) DE3869695D1 (de)
IL (1) IL85325A (de)
WO (1) WO1988007289A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69124633T2 (de) * 1990-03-24 1997-07-17 Canon Kk Verfahren und Vorrichtung zur Bildverarbeitung
JP2812453B2 (ja) * 1990-06-29 1998-10-22 アナログ・ディバイセス・インコーポレーテッド 多相クロック信号生成装置およびその位相検出器および復元装置
US5293628A (en) * 1991-11-04 1994-03-08 Motorola, Inc. Data processing system which generates a waveform with improved pulse width resolution

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509472A (en) * 1967-11-16 1970-04-28 Sperry Rand Corp Low frequency pulse generator
US3564427A (en) * 1969-08-04 1971-02-16 Iwatsu Electric Co Ltd Synchronizing method for high frequency signal
JPS5521511B2 (de) * 1972-06-23 1980-06-10
US3946255A (en) * 1974-04-25 1976-03-23 Honeywell Inc. Signal generator
DE2608265C2 (de) * 1976-02-28 1978-04-27 Deutsche Itt Industries Gmbh, 7800 Freiburg Mehrphasen-MOS-Schaltung zur Impulsdaueränderung
US4303803A (en) * 1978-08-31 1981-12-01 Kokusai Denshin Denwa Co., Ltd. Digital speech interpolation system
US4330751A (en) * 1979-12-03 1982-05-18 Norlin Industries, Inc. Programmable frequency and duty cycle tone signal generator
US4365202A (en) * 1980-08-25 1982-12-21 Rca Corporation Duty cycle generator with improved resolution
JPS5843187A (ja) * 1981-09-03 1983-03-12 Fuji Electric Co Ltd 可変周波発振方式
JPS58173471A (ja) * 1982-04-05 1983-10-12 Mitsubishi Electric Corp 周波数判別装置
US4636656A (en) * 1984-05-21 1987-01-13 Motorola, Inc. Circuit for selectively extending a cycle of a clock signal
JP2687325B2 (ja) * 1984-12-18 1997-12-08 日本電気株式会社 分周回路
JP2539600B2 (ja) * 1985-07-10 1996-10-02 株式会社アドバンテスト タイミング発生装置
US4748595A (en) * 1985-09-04 1988-05-31 Siemens Aktiengesellschaft Circuit arrangement comprising a matrix-shaped memory arrangement for variably adjustable delay of digital signals
US4691302A (en) * 1985-09-04 1987-09-01 Siemens Aktiengesellschaft Circuit arrangement comprising a matrix-shaped memory arrangement for variably adjustable delay of digital signals

Also Published As

Publication number Publication date
WO1988007289A1 (en) 1988-09-22
EP0304450B1 (de) 1992-04-01
IL85325A0 (en) 1988-07-31
IL85325A (en) 1991-11-21
EP0304450A1 (de) 1989-03-01
US4818894A (en) 1989-04-04
JPH01503029A (ja) 1989-10-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee