DE69016883T2 - Phasenakkumulator mit Zitterinkrementierung der Akkumulation infolge von feinen Phasenkomponenten. - Google Patents

Phasenakkumulator mit Zitterinkrementierung der Akkumulation infolge von feinen Phasenkomponenten.

Info

Publication number
DE69016883T2
DE69016883T2 DE69016883T DE69016883T DE69016883T2 DE 69016883 T2 DE69016883 T2 DE 69016883T2 DE 69016883 T DE69016883 T DE 69016883T DE 69016883 T DE69016883 T DE 69016883T DE 69016883 T2 DE69016883 T2 DE 69016883T2
Authority
DE
Germany
Prior art keywords
incrementation
tremor
phase
accumulation due
fine
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
DE69016883T
Other languages
English (en)
Other versions
DE69016883D1 (de
Inventor
Karl Edwin Moerder
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.)
Engility LLC
Original Assignee
Titan Corp
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 Titan Corp filed Critical Titan Corp
Application granted granted Critical
Publication of DE69016883D1 publication Critical patent/DE69016883D1/de
Publication of DE69016883T2 publication Critical patent/DE69016883T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/0321—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
    • G06F1/0328—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers in which the phase increment is adjustable, e.g. by using an adder-accumulator
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/902—Spectral purity improvement for digital function generators by adding a dither signal, e.g. noise
DE69016883T 1989-08-25 1990-08-15 Phasenakkumulator mit Zitterinkrementierung der Akkumulation infolge von feinen Phasenkomponenten. Expired - Fee Related DE69016883T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/398,703 US4984186A (en) 1989-08-25 1989-08-25 Phase accumulator with dithered incrementing of accumulation due to fine phase components

Publications (2)

Publication Number Publication Date
DE69016883D1 DE69016883D1 (de) 1995-03-23
DE69016883T2 true DE69016883T2 (de) 1995-06-08

Family

ID=23576455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016883T Expired - Fee Related DE69016883T2 (de) 1989-08-25 1990-08-15 Phasenakkumulator mit Zitterinkrementierung der Akkumulation infolge von feinen Phasenkomponenten.

Country Status (6)

Country Link
US (1) US4984186A (de)
EP (1) EP0414444B1 (de)
JP (1) JPH03143106A (de)
AU (1) AU625793B2 (de)
CA (1) CA2023327A1 (de)
DE (1) DE69016883T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495505A (en) * 1990-12-20 1996-02-27 Motorola, Inc. Increased frequency resolution in a synthesizer
US5231828A (en) * 1992-02-26 1993-08-03 M & W Gear Company Wrapping mechanism for round balers
US5371765A (en) * 1992-07-10 1994-12-06 Hewlett-Packard Company Binary phase accumulator for decimal frequency synthesis
US5329260A (en) * 1992-07-17 1994-07-12 Ii Morrow Inc. Numerically-controlled modulated oscillator and modulation method
US5416434A (en) * 1993-03-05 1995-05-16 Hewlett-Packard Corporation Adaptive clock generation with pseudo random variation
US5365182A (en) * 1993-06-22 1994-11-15 Motorola, Inc. Method and apparatus for low power clock generation for high speed applications
US5736592A (en) * 1995-02-15 1998-04-07 Enichem S.P.A. Process for intramolecularly condensing a non-linear optical polyamic acid composition
US6606004B2 (en) 2000-04-20 2003-08-12 Texas Instruments Incorporated System and method for time dithering a digitally-controlled oscillator tuning input
US6636092B1 (en) * 2000-09-14 2003-10-21 3Com Corporation Digital receive phase lock loop with cumulative phase error correction
EP1255355B1 (de) * 2001-04-26 2019-06-12 Texas Instruments Incorporated System und Verfahren zur Erzeugung eines Zittersignals an einem Abstimmeingang eines digital gesteuerten Oszillators
EP1351397A3 (de) * 2001-11-27 2005-03-02 Texas Instruments Incorporated Volldigitale Frequenzsynthese mit kapazitiver Rückführung von gezitterten Abstimmdaten
US7522099B2 (en) * 2005-09-08 2009-04-21 Topcon Gps, Llc Position determination using carrier phase measurements of satellite signals
US8063669B2 (en) * 2008-11-06 2011-11-22 Nokia Corporation Frequency synthesizer having a plurality of independent output tones
US7948274B2 (en) * 2009-09-30 2011-05-24 Nokia Corporation Frequency generation circuitry and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946215A (en) * 1974-09-30 1976-03-23 The Boeing Company Pseudo-random code generator
US4327419A (en) * 1980-02-22 1982-04-27 Kawai Musical Instrument Mfg. Co., Ltd. Digital noise generator for electronic musical instruments
US4652832A (en) * 1985-07-05 1987-03-24 Motorola, Inc. Frequency resolution in a digital oscillator
US4901265A (en) * 1987-12-14 1990-02-13 Qualcomm, Inc. Pseudorandom dither for frequency synthesis noise
US4905177A (en) * 1988-01-19 1990-02-27 Qualcomm, Inc. High resolution phase to sine amplitude conversion
US4935891A (en) * 1988-12-22 1990-06-19 Xerox Corporation Pseudo-random phase shifted arithmetic bit clock generators for digital printers
US4935871A (en) * 1989-02-23 1990-06-19 Caterpillar Inc. Electronic road system generation method for an automatic guided vehicle

Also Published As

Publication number Publication date
CA2023327A1 (en) 1991-02-26
US4984186A (en) 1991-01-08
EP0414444A2 (de) 1991-02-27
AU625793B2 (en) 1992-07-16
EP0414444A3 (en) 1992-04-08
JPH03143106A (ja) 1991-06-18
EP0414444B1 (de) 1995-02-15
AU6111990A (en) 1991-02-28
DE69016883D1 (de) 1995-03-23

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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