GB8408763D0 - Digital oscillator - Google Patents

Digital oscillator

Info

Publication number
GB8408763D0
GB8408763D0 GB848408763A GB8408763A GB8408763D0 GB 8408763 D0 GB8408763 D0 GB 8408763D0 GB 848408763 A GB848408763 A GB 848408763A GB 8408763 A GB8408763 A GB 8408763A GB 8408763 D0 GB8408763 D0 GB 8408763D0
Authority
GB
United Kingdom
Prior art keywords
digital oscillator
oscillator
digital
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.)
Granted
Application number
GB848408763A
Other versions
GB2138606B (en
GB2138606A (en
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB8408763D0 publication Critical patent/GB8408763D0/en
Publication of GB2138606A publication Critical patent/GB2138606A/en
Application granted granted Critical
Publication of GB2138606B publication Critical patent/GB2138606B/en
Expired 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
    • G06F1/035—Reduction of table size
    • G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
    • G06F7/5446—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation using crossaddition algorithms, e.g. CORDIC

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Complex Calculations (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB08408763A 1983-04-09 1984-04-05 Digital oscillator for generation of complex signals Expired GB2138606B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833312796 DE3312796A1 (en) 1983-04-09 1983-04-09 DIGITAL OSCILLATOR FOR GENERATING COMPLEX SIGNALS

Publications (3)

Publication Number Publication Date
GB8408763D0 true GB8408763D0 (en) 1984-05-16
GB2138606A GB2138606A (en) 1984-10-24
GB2138606B GB2138606B (en) 1986-08-13

Family

ID=6195848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08408763A Expired GB2138606B (en) 1983-04-09 1984-04-05 Digital oscillator for generation of complex signals

Country Status (3)

Country Link
DE (1) DE3312796A1 (en)
FR (1) FR2544106A1 (en)
GB (1) GB2138606B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399236B (en) * 1986-02-03 1995-04-25 Siemens Ag Oesterreich DIGITAL SINUS GENERATOR
EP0259514A1 (en) * 1986-09-11 1988-03-16 Deutsche ITT Industries GmbH Digital circuit for the simultaneous generation of digital sine and cosine function values
JPS63186329A (en) * 1987-01-28 1988-08-01 Nec Corp Pre-processor for trigonometric function
US4896287A (en) * 1988-05-31 1990-01-23 General Electric Company Cordic complex multiplier
US5001660A (en) * 1989-04-27 1991-03-19 Hewlett-Packard Company Waveform generation method using stored complex data
DE4001266C2 (en) * 1990-01-18 1994-10-20 Abb Patent Gmbh Method and transmission device for the transmission of digital information via power supply networks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1409849A (en) * 1964-07-21 1965-09-03 Nouvelles Tech Radioelectrique Device for determining the analog values of the trigonometric lines of an angle from its digital value
DE3007907A1 (en) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt DIGITAL RECEIVER
DE3119448C2 (en) * 1981-05-15 1984-10-11 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for generating a cosine signal and a sinusoidal signal

Also Published As

Publication number Publication date
DE3312796A1 (en) 1984-10-11
GB2138606B (en) 1986-08-13
FR2544106A1 (en) 1984-10-12
DE3312796C2 (en) 1991-06-20
GB2138606A (en) 1984-10-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee