GB2138606B - Digital oscillator for generation of complex signals - Google Patents
Digital oscillator for generation of complex signalsInfo
- Publication number
- GB2138606B GB2138606B GB08408763A GB8408763A GB2138606B GB 2138606 B GB2138606 B GB 2138606B GB 08408763 A GB08408763 A GB 08408763A GB 8408763 A GB8408763 A GB 8408763A GB 2138606 B GB2138606 B GB 2138606B
- Authority
- GB
- United Kingdom
- Prior art keywords
- generation
- complex signals
- 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.)
- Expired
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)
- 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)
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 GB8408763D0 (en) | 1984-05-16 |
GB2138606A GB2138606A (en) | 1984-10-24 |
GB2138606B true 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)
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)
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 |
-
1983
- 1983-04-09 DE DE19833312796 patent/DE3312796A1/en active Granted
-
1984
- 1984-04-05 GB GB08408763A patent/GB2138606B/en not_active Expired
- 1984-04-09 FR FR8405565A patent/FR2544106A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB8408763D0 (en) | 1984-05-16 |
DE3312796A1 (en) | 1984-10-11 |
GB2138606A (en) | 1984-10-24 |
FR2544106A1 (en) | 1984-10-12 |
DE3312796C2 (en) | 1991-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |