GB2142205B - Digital pulse-width/pulse frequency modulator - Google Patents
Digital pulse-width/pulse frequency modulatorInfo
- Publication number
- GB2142205B GB2142205B GB08413235A GB8413235A GB2142205B GB 2142205 B GB2142205 B GB 2142205B GB 08413235 A GB08413235 A GB 08413235A GB 8413235 A GB8413235 A GB 8413235A GB 2142205 B GB2142205 B GB 2142205B
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulse
- width
- frequency modulator
- digital
- pulse frequency
- 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
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/62—Performing operations exclusively by counting total number of pulses ; Multiplication, division or derived operations using combined denominational and incremental processing by counters, i.e. without column shift
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/10—Combined modulation, e.g. rate modulation and amplitude modulation
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Radar Systems Or Details Thereof (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833319300 DE3319300A1 (de) | 1983-05-27 | 1983-05-27 | Digitaler pulsweiten-pulsfrequenzmodulator (pwpf-modulator) |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8413235D0 GB8413235D0 (en) | 1984-06-27 |
GB2142205A GB2142205A (en) | 1985-01-09 |
GB2142205B true GB2142205B (en) | 1987-01-21 |
Family
ID=6200055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08413235A Expired GB2142205B (en) | 1983-05-27 | 1984-05-23 | Digital pulse-width/pulse frequency modulator |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3319300A1 (de) |
FR (1) | FR2546688B1 (de) |
GB (1) | GB2142205B (de) |
IT (1) | IT1176210B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4210966C2 (de) * | 1992-04-02 | 1994-06-23 | Deutsche Aerospace | Verfahren zur digitalen Modulation |
US5289141A (en) * | 1992-10-13 | 1994-02-22 | Motorola, Inc. | Method and apparatus for digital modulation using concurrent pulse addition and subtraction |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5843922B2 (ja) * | 1975-02-24 | 1983-09-30 | ソニー株式会社 | パルスハバヘンチヨウゾウフクカイロ |
-
1983
- 1983-05-27 DE DE19833319300 patent/DE3319300A1/de active Granted
-
1984
- 1984-05-23 GB GB08413235A patent/GB2142205B/en not_active Expired
- 1984-05-24 FR FR848408159A patent/FR2546688B1/fr not_active Expired - Lifetime
- 1984-05-25 IT IT21094/84A patent/IT1176210B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2142205A (en) | 1985-01-09 |
DE3319300C2 (de) | 1988-07-21 |
IT8421094A0 (it) | 1984-05-25 |
IT8421094A1 (it) | 1985-11-25 |
FR2546688A1 (fr) | 1984-11-30 |
GB8413235D0 (en) | 1984-06-27 |
FR2546688B1 (fr) | 1991-03-15 |
IT1176210B (it) | 1987-08-18 |
DE3319300A1 (de) | 1984-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940523 |