DE3312796A1 - Digitaler oszillator zur erzeugung komplexer signale - Google Patents

Digitaler oszillator zur erzeugung komplexer signale

Info

Publication number
DE3312796A1
DE3312796A1 DE19833312796 DE3312796A DE3312796A1 DE 3312796 A1 DE3312796 A1 DE 3312796A1 DE 19833312796 DE19833312796 DE 19833312796 DE 3312796 A DE3312796 A DE 3312796A DE 3312796 A1 DE3312796 A1 DE 3312796A1
Authority
DE
Germany
Prior art keywords
cos
sin
value
stage
mod
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
DE19833312796
Other languages
German (de)
English (en)
Other versions
DE3312796C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Rolf Dipl.-Ing. 7900 Ulm Erlenmayer
Karl-Robert Dipl.-Math. 7340 Geislingen Fink
Friedrich Dipl.-Ing. 7900 Ulm Hölzel
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.)
Telefunken Systemtechnik AG
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
Priority to DE19833312796 priority Critical patent/DE3312796A1/de
Priority to GB08408763A priority patent/GB2138606B/en
Priority to FR8405565A priority patent/FR2544106A1/fr
Publication of DE3312796A1 publication Critical patent/DE3312796A1/de
Application granted granted Critical
Publication of DE3312796C2 publication Critical patent/DE3312796C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Complex Calculations (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE19833312796 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale Granted DE3312796A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19833312796 DE3312796A1 (de) 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale
GB08408763A GB2138606B (en) 1983-04-09 1984-04-05 Digital oscillator for generation of complex signals
FR8405565A FR2544106A1 (fr) 1983-04-09 1984-04-09 Oscillateur numerique delivrant des signaux complexes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833312796 DE3312796A1 (de) 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale

Publications (2)

Publication Number Publication Date
DE3312796A1 true DE3312796A1 (de) 1984-10-11
DE3312796C2 DE3312796C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-20

Family

ID=6195848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833312796 Granted DE3312796A1 (de) 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale

Country Status (3)

Country Link
DE (1) DE3312796A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2544106A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2138606B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001266A1 (de) * 1990-01-18 1991-07-25 Waldsee Electronic Gmbh Verfahren und sendeeinrichtung zur uebertragung digitaler informationen ueber stromversorgungsnetze
AT399236B (de) * 1986-02-03 1995-04-25 Siemens Ag Oesterreich Digitaler sinusgenerator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259514A1 (de) * 1986-09-11 1988-03-16 Deutsche ITT Industries GmbH Digitalschaltung zur gleichzeitigen Erzeugung von digitalen Sinus- und Cosinusfunktionswerten
JPS63186329A (ja) * 1987-01-28 1988-08-01 Nec Corp 三角関数前処理装置
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007907A1 (de) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler empfaenger

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1409849A (fr) * 1964-07-21 1965-09-03 Nouvelles Tech Radioelectrique Dispositif pour déterminer les valeurs analogiques des lignes trigonométriques d'un angle à partir de sa valeur digitale
DE3119448C2 (de) * 1981-05-15 1984-10-11 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Erzeugung eines cosinusförmigen Signals und eines sinusförmigen Signals

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007907A1 (de) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler empfaenger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399236B (de) * 1986-02-03 1995-04-25 Siemens Ag Oesterreich Digitaler sinusgenerator
DE4001266A1 (de) * 1990-01-18 1991-07-25 Waldsee Electronic Gmbh Verfahren und sendeeinrichtung zur uebertragung digitaler informationen ueber stromversorgungsnetze

Also Published As

Publication number Publication date
GB2138606A (en) 1984-10-24
DE3312796C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-20
GB2138606B (en) 1986-08-13
GB8408763D0 (en) 1984-05-16
FR2544106A1 (fr) 1984-10-12

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: TELEFUNKEN SYSTEMTECHNIK GMBH, 7900 ULM, DE

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition