DE69821784T2 - Fsk-demodulator mit supralinearem integrator - Google Patents
Fsk-demodulator mit supralinearem integrator Download PDFInfo
- Publication number
- DE69821784T2 DE69821784T2 DE69821784T DE69821784T DE69821784T2 DE 69821784 T2 DE69821784 T2 DE 69821784T2 DE 69821784 T DE69821784 T DE 69821784T DE 69821784 T DE69821784 T DE 69821784T DE 69821784 T2 DE69821784 T2 DE 69821784T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- value
- circuit arrangement
- integration
- period
- 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 - Lifetime
Links
- 230000010354 integration Effects 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000004886 process control Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 22
- 238000002955 isolation Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 12
- 230000006870 function Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 description 20
- 239000003990 capacitor Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000012369 In process control Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000010965 in-process control Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000012360 testing method Methods 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
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/941,949 US6021162A (en) | 1997-10-01 | 1997-10-01 | Vortex serial communications |
| US941949 | 1997-10-01 | ||
| PCT/US1998/020274 WO1999017508A1 (en) | 1997-10-01 | 1998-09-28 | Fsk demodulator using a super linear integrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69821784D1 DE69821784D1 (de) | 2004-03-25 |
| DE69821784T2 true DE69821784T2 (de) | 2004-12-02 |
Family
ID=25477339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69821784T Expired - Lifetime DE69821784T2 (de) | 1997-10-01 | 1998-09-28 | Fsk-demodulator mit supralinearem integrator |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6021162A (enExample) |
| EP (1) | EP1020057B1 (enExample) |
| JP (1) | JP4021144B2 (enExample) |
| CN (1) | CN1106101C (enExample) |
| AT (1) | ATE260009T1 (enExample) |
| BR (1) | BR9812614A (enExample) |
| CA (1) | CA2305425A1 (enExample) |
| DE (1) | DE69821784T2 (enExample) |
| WO (1) | WO1999017508A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2774232B1 (fr) * | 1998-01-26 | 2000-02-25 | Alsthom Cge Alcatel | Dispositif de generation d'impulsions de courant a faible bruit, comparateur de phase, synthetiseur et utilisation correspondants |
| WO2002041086A2 (en) | 2000-11-16 | 2002-05-23 | Invensys Systems, Inc. | Control system methods and apparatus for inductive communication across an isolation barrier |
| KR100536188B1 (ko) * | 2001-11-14 | 2005-12-14 | 한국과학기술연구원 | 인체 등의 매질을 통신선로로 이용한 매질 내외간의 통신방법 및 장치 |
| US6885949B2 (en) * | 2002-07-24 | 2005-04-26 | Smar Research Corporation | System and method for measuring system parameters and process variables using multiple sensors which are isolated by an intrinsically safe barrier |
| DE102005041455A1 (de) * | 2005-08-31 | 2007-03-15 | Abb Patent Gmbh | Automatisierungstechnische Einrichtung |
| WO2008154504A2 (en) * | 2007-06-08 | 2008-12-18 | William Marsh Rice University | System and method for intra-body communication |
| JP5023836B2 (ja) * | 2007-06-25 | 2012-09-12 | 横河電機株式会社 | ２線式フィールド機器 |
| US9217653B2 (en) * | 2007-09-13 | 2015-12-22 | Rosemount Inc. | High performance architecture for process transmitters |
| TWI583187B (zh) * | 2013-07-30 | 2017-05-11 | 聯詠科技股份有限公司 | 資料處理方法及裝置 |
| EP4057089B1 (en) | 2013-08-06 | 2024-07-31 | Bedrock Automation Platforms Inc. | Programmable discrete output module and corresponding method |
| CN104347101B (zh) * | 2013-08-08 | 2017-10-27 | 联咏科技股份有限公司 | 数据处理方法及装置 |
| US10663331B2 (en) | 2013-09-26 | 2020-05-26 | Rosemount Inc. | Magnetic flowmeter with power limit and over-current detection |
| JP6964968B2 (ja) * | 2016-09-28 | 2021-11-10 | 新コスモス電機株式会社 | 電気機器および電気機器の信号に重畳するノイズを低減する方法 |
| US10277216B1 (en) * | 2017-09-27 | 2019-04-30 | Apple Inc. | Wide range input voltage differential receiver |
| CN109635908B (zh) * | 2018-12-13 | 2020-09-11 | 中山大学 | 数模混合解码电路、解码方法及系统架构 |
| CN112542996A (zh) * | 2019-09-20 | 2021-03-23 | 中国科学院微电子研究所 | 陀螺数字信号的高阶同步积分解调电路和方法 |
Family Cites Families (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3905029A (en) * | 1970-12-01 | 1975-09-09 | Gen Motors Corp | Method and apparatus for encoding and decoding digital data |
| US3760412A (en) * | 1971-07-01 | 1973-09-18 | R Barnes | Rate adaptive nonsynchronous demodulator apparatus |
| US4053834A (en) * | 1973-04-12 | 1977-10-11 | Textron, Inc. | Narrowband phase modulation communication system which eliminates thresholding |
| US3852809A (en) * | 1973-07-05 | 1974-12-03 | Ibm | Return to zero detection circuit for variable data rate scanning |
| US3909629A (en) * | 1974-01-23 | 1975-09-30 | Ibm | H-Configured integration circuits with particular squelch circuit |
| IT1037127B (it) * | 1975-03-18 | 1979-11-10 | Sits Soc It Telecom Siemens | Demodulatore di onde modulate in frequenza |
| US4032915A (en) * | 1975-07-23 | 1977-06-28 | Standard Oil Company (Indiana) | Speed-tolerant digital decoding system |
| US4007331A (en) * | 1975-08-13 | 1977-02-08 | Bunker Ramo Corporation | Apparatus for demodulation of relative phase modulated binary data |
| NL7700318A (nl) * | 1976-01-16 | 1977-07-19 | Little Inc A | Werkwijze en inrichting voor communicatie over elektrische krachtleidingen. |
| US4100531A (en) * | 1977-02-03 | 1978-07-11 | Nasa | Bit error rate measurement above and below bit rate tracking threshold |
| US4312070A (en) * | 1979-12-07 | 1982-01-19 | Motorola, Inc. | Digital encoder-decoder |
| US4501000A (en) * | 1981-07-27 | 1985-02-19 | Sony Corporation | Method of coding binary data |
| DE3131845A1 (de) * | 1981-08-12 | 1983-02-24 | Brown, Boveri & Cie Ag, 6800 Mannheim | Verfahren zum erzeugen und erfassen digitaler signale beliebiger zeichencodierung |
| US4425645A (en) * | 1981-10-15 | 1984-01-10 | Sri International | Digital data transmission with parity bit word lock-on |
| US4485448A (en) * | 1982-02-26 | 1984-11-27 | Sperry Corporation | Apparatus and method for detecting the onset of a frequency shift keyed signal |
| US4592072B1 (en) * | 1982-05-07 | 1994-02-15 | Digital Equipment Corporation | Decoder for self-clocking serial data communications |
| US4529941A (en) * | 1982-11-29 | 1985-07-16 | Arthur D. Little, Inc. | FSK Demodulator utilizing multiple-phase reference frequencies |
| US4554508A (en) * | 1983-12-07 | 1985-11-19 | American Microsystems, Incorporated | Carrier detection circuit |
| US4574247A (en) * | 1984-05-21 | 1986-03-04 | Multi-Elmac Company | FM Signal demodulator |
| GB8606028D0 (en) * | 1986-03-12 | 1986-04-16 | Int Computers Ltd | Decoder |
| US4787096A (en) * | 1987-03-04 | 1988-11-22 | National Semiconductor Corp. | Second-order carrier/symbol sychronizer |
| KR910007815B1 (ko) * | 1988-12-31 | 1991-10-02 | 삼성전자 주식회사 | 바이패이즈 엔코딩 데이터의 디코딩방법 |
| US4951049A (en) * | 1989-03-22 | 1990-08-21 | Eastman Kodak Company | Self clocking binary information encoder |
| US4954825A (en) * | 1989-03-22 | 1990-09-04 | Eastman Kodak Company | Self clocking binary data encoding/decoding method |
| US5073905A (en) * | 1989-08-22 | 1991-12-17 | Cincinnati Electronics Corporation | Apparatus for and method of synchronizing a local oscillator to a received digital bit stream |
| US5081644A (en) * | 1989-09-05 | 1992-01-14 | Clarion Co., Ltd. | Spread spectrum receiving device |
| US5170396A (en) * | 1990-06-14 | 1992-12-08 | Introtek International, L.P. | Data valid detector circuit for manchester encoded data |
| US5042053A (en) * | 1990-08-16 | 1991-08-20 | Honeywell Inc. | Zero-sync-time apparatus for encoding and decoding |
| US5148452A (en) * | 1990-12-31 | 1992-09-15 | Motorola, Inc. | Global positioning system digital receiver |
| US5175557A (en) * | 1991-07-18 | 1992-12-29 | Motorola, Inc. | Two channel global positioning system receiver |
| US5357196A (en) * | 1991-08-06 | 1994-10-18 | Jeco Company Limited | Circuit for converting a frequency of an input signal so a signal having a digital value corresponding to the frequency |
| JP3136742B2 (ja) * | 1992-02-14 | 2001-02-19 | 日産自動車株式会社 | 通信装置 |
| US5798711A (en) * | 1992-05-22 | 1998-08-25 | Directed Electronics, Inc. | High throughput embedded code hopping system with bypass mode |
| US5689692A (en) * | 1992-12-23 | 1997-11-18 | Honeywell Inc. | Method and apparatus for decoding an encoded NRZ signal |
| US5374927A (en) * | 1992-12-23 | 1994-12-20 | Honeywell Inc. | Bit-serial decoder for a specially encoded bit stream |
| US5574396A (en) * | 1994-10-13 | 1996-11-12 | The Foxboro Company | Micro-power vortex isolator circuit |
| US5550505A (en) * | 1994-12-30 | 1996-08-27 | General Electric Company | Frequency shift keying (FSK) demodulator for use in low signal-to-noise ratio environments |
| GB9617598D0 (en) * | 1996-08-22 | 1996-10-02 | Philips Electronics Nv | M-ary fsk receiver |
-
1997
- 1997-10-01 US US08/941,949 patent/US6021162A/en not_active Expired - Lifetime
-
1998
- 1998-09-28 BR BR9812614-8A patent/BR9812614A/pt not_active IP Right Cessation
- 1998-09-28 AT AT98953198T patent/ATE260009T1/de not_active IP Right Cessation
- 1998-09-28 CN CN98811449A patent/CN1106101C/zh not_active Expired - Fee Related
- 1998-09-28 JP JP2000514439A patent/JP4021144B2/ja not_active Expired - Lifetime
- 1998-09-28 WO PCT/US1998/020274 patent/WO1999017508A1/en not_active Ceased
- 1998-09-28 CA CA002305425A patent/CA2305425A1/en not_active Abandoned
- 1998-09-28 EP EP98953198A patent/EP1020057B1/en not_active Expired - Lifetime
- 1998-09-28 DE DE69821784T patent/DE69821784T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP4021144B2 (ja) | 2007-12-12 |
| WO1999017508A1 (en) | 1999-04-08 |
| CN1106101C (zh) | 2003-04-16 |
| BR9812614A (pt) | 2000-08-01 |
| US6021162A (en) | 2000-02-01 |
| EP1020057B1 (en) | 2004-02-18 |
| ATE260009T1 (de) | 2004-03-15 |
| EP1020057A1 (en) | 2000-07-19 |
| CN1279854A (zh) | 2001-01-10 |
| DE69821784D1 (de) | 2004-03-25 |
| CA2305425A1 (en) | 1999-04-08 |
| JP2001518749A (ja) | 2001-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |