DE2009036C3 - Schaltungsanordnung zur digitalen Frequenzmodulation - Google Patents
Schaltungsanordnung zur digitalen FrequenzmodulationInfo
- Publication number
- DE2009036C3 DE2009036C3 DE2009036A DE2009036A DE2009036C3 DE 2009036 C3 DE2009036 C3 DE 2009036C3 DE 2009036 A DE2009036 A DE 2009036A DE 2009036 A DE2009036 A DE 2009036A DE 2009036 C3 DE2009036 C3 DE 2009036C3
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- clock
- modulating
- modulated
- output
- 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
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 22
- 238000007792 addition Methods 0.000 description 8
- 230000001788 irregular Effects 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 230000002301 combined effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000010356 wave oscillation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
- H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/64—Generators producing trains of pulses, i.e. finite sequences of pulses
- H03K3/72—Generators producing trains of pulses, i.e. finite sequences of pulses with means for varying repetition rate of trains
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1672769 | 1969-05-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2009036A1 DE2009036A1 (de) | 1972-02-17 |
| DE2009036B2 DE2009036B2 (de) | 1978-06-22 |
| DE2009036C3 true DE2009036C3 (de) | 1979-03-15 |
Family
ID=11149283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2009036A Expired DE2009036C3 (de) | 1969-05-12 | 1970-02-26 | Schaltungsanordnung zur digitalen Frequenzmodulation |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3659226A (enExample) |
| JP (1) | JPS5016625B1 (enExample) |
| AT (1) | AT341585B (enExample) |
| BE (1) | BE745092A (enExample) |
| CH (1) | CH510957A (enExample) |
| DE (1) | DE2009036C3 (enExample) |
| FR (1) | FR2031196A5 (enExample) |
| GB (1) | GB1312481A (enExample) |
| NL (1) | NL165350C (enExample) |
| SE (1) | SE365372B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2048118B2 (de) * | 1970-09-30 | 1972-09-28 | Anordnung zur wechselstromtelegrafie- und/oder datenuebertragung mit frequenzumtastung | |
| NL7207569A (enExample) * | 1972-06-03 | 1973-12-05 | ||
| US3997855A (en) * | 1975-12-24 | 1976-12-14 | Motorola, Inc. | Digital FSK time rate of change modulator |
| JPS59150460U (ja) * | 1983-03-30 | 1984-10-08 | 株式会社東海理化電機製作所 | シ−トベルト装置 |
| US4663292A (en) * | 1984-12-21 | 1987-05-05 | Wong Daniel T | High-voltage biological macromolecule transfer and cell fusion system |
| US6812669B2 (en) * | 2002-06-14 | 2004-11-02 | Texas Instruments Incorporated | Resonant scanning mirror driver circuit |
| CN112055294B (zh) * | 2020-09-02 | 2021-11-30 | 歌尔微电子有限公司 | 电容式mems芯片驱动电路、电容式mems传感器及智能电子设备 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2994790A (en) * | 1958-02-19 | 1961-08-01 | Collins Radio Co | Data phase-coding system using parallel pulse injection in binary divider chain |
| FR1454574A (fr) * | 1965-10-22 | 1966-02-11 | Siemens Ag | Modulateur par impulsions codées |
-
1970
- 1970-01-22 FR FR7002280A patent/FR2031196A5/fr not_active Expired
- 1970-01-28 BE BE745092D patent/BE745092A/xx unknown
- 1970-02-24 AT AT168270A patent/AT341585B/de not_active IP Right Cessation
- 1970-02-26 DE DE2009036A patent/DE2009036C3/de not_active Expired
- 1970-03-04 JP JP45018038A patent/JPS5016625B1/ja active Pending
- 1970-03-19 GB GB798870*[A patent/GB1312481A/en not_active Expired
- 1970-05-01 NL NL7006494.A patent/NL165350C/xx not_active IP Right Cessation
- 1970-05-06 CH CH679870A patent/CH510957A/it not_active IP Right Cessation
- 1970-05-11 US US36252A patent/US3659226A/en not_active Expired - Lifetime
- 1970-05-11 SE SE06406/70A patent/SE365372B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2031196A5 (enExample) | 1970-11-13 |
| DE2009036A1 (de) | 1972-02-17 |
| DE2009036B2 (de) | 1978-06-22 |
| BE745092A (fr) | 1970-07-01 |
| SE365372B (enExample) | 1974-03-18 |
| JPS5016625B1 (enExample) | 1975-06-14 |
| CH510957A (it) | 1971-07-31 |
| GB1312481A (en) | 1973-04-04 |
| NL7006494A (enExample) | 1970-11-16 |
| ATA168270A (de) | 1977-06-15 |
| AT341585B (de) | 1978-02-10 |
| NL165350B (nl) | 1980-10-15 |
| US3659226A (en) | 1972-04-25 |
| NL165350C (nl) | 1981-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |