CN101789921B - 幅移键控解调装置和方法 - Google Patents
幅移键控解调装置和方法 Download PDFInfo
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- CN101789921B CN101789921B CN2009100458930A CN200910045893A CN101789921B CN 101789921 B CN101789921 B CN 101789921B CN 2009100458930 A CN2009100458930 A CN 2009100458930A CN 200910045893 A CN200910045893 A CN 200910045893A CN 101789921 B CN101789921 B CN 101789921B
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- alternating current
- current component
- signal
- shift keying
- amplitude shift
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
Abstract
Description
Claims (17)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100458930A CN101789921B (zh) | 2009-01-23 | 2009-01-23 | 幅移键控解调装置和方法 |
US12/692,603 US8446983B2 (en) | 2009-01-23 | 2010-01-23 | Amplitude shift keyed (ASK) demodulation pattern and use in radio frequency identification (RFID) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100458930A CN101789921B (zh) | 2009-01-23 | 2009-01-23 | 幅移键控解调装置和方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101789921A CN101789921A (zh) | 2010-07-28 |
CN101789921B true CN101789921B (zh) | 2013-03-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009100458930A Expired - Fee Related CN101789921B (zh) | 2009-01-23 | 2009-01-23 | 幅移键控解调装置和方法 |
Country Status (2)
Country | Link |
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US (1) | US8446983B2 (zh) |
CN (1) | CN101789921B (zh) |
Families Citing this family (38)
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CN101964649B (zh) * | 2010-08-12 | 2012-07-11 | 四川和芯微电子股份有限公司 | 输出信号调节系统 |
CN102487369B (zh) * | 2010-12-02 | 2014-02-26 | 博通集成电路(上海)有限公司 | 解调器、解调ask信号的方法和车载单元 |
CN102567767B (zh) * | 2010-12-15 | 2014-12-10 | 上海华虹宏力半导体制造有限公司 | Rfid系统的电子标签的解调器电路 |
KR101920471B1 (ko) * | 2011-09-27 | 2018-11-22 | 삼성전자주식회사 | 무선 전력을 이용한 통신 시스템 |
CN102545949A (zh) * | 2011-09-28 | 2012-07-04 | 嘉兴联星微电子有限公司 | 大输入动态范围的射频幅度键控解调电路 |
KR101779829B1 (ko) * | 2011-10-07 | 2017-10-11 | 삼성전자주식회사 | 포락선 검출 장치 및 방법 |
KR101254092B1 (ko) * | 2011-12-21 | 2013-04-12 | 주식회사 스파콘 | 신호 검출장치 및 이를 구비한 무선 전력전송장치 |
CN105738835B (zh) * | 2012-06-21 | 2018-11-16 | 浙江海澄德畅机械有限公司 | 电源负载测试装置 |
CN105717463B (zh) * | 2012-06-21 | 2018-08-17 | 东莞市输变电工程公司 | 电源负载测试装置 |
EP2701314B8 (en) * | 2012-08-23 | 2017-04-05 | OCT Circuit Technologies International Limited | Detection of load-modulated NFC signals |
FR2999831B1 (fr) * | 2012-12-18 | 2019-01-25 | Sagemcom Energy & Telecom Sas | Dispositif de demodulation |
CN104038458B (zh) * | 2013-03-05 | 2019-01-25 | 恩智浦美国有限公司 | Bask解调器和用于解调bask调制信号的方法 |
US8711982B1 (en) | 2013-03-08 | 2014-04-29 | Hong Kong Applied Science & Technology Research Institute Company, Ltd. | Amplitude-shift-keying (ASK) envelope detector and demodulation circuits |
KR102083580B1 (ko) | 2013-08-09 | 2020-03-02 | 삼성전자주식회사 | 부호 검출을 위한 임계값을 결정하는 방법 및 장치 |
CN105337578B (zh) * | 2014-08-06 | 2018-07-24 | 大陆汽车电子(长春)有限公司 | Ask解调器 |
EP3107208B1 (en) | 2015-06-15 | 2018-08-15 | STMicroelectronics International N.V. | Demodulator circuit and method for demodulation |
CN106330136B (zh) * | 2015-06-19 | 2019-01-22 | 中芯国际集成电路制造(上海)有限公司 | 施密特触发器 |
CN106301468B (zh) * | 2016-07-21 | 2019-05-28 | 华为技术有限公司 | 串行信号发送电路、接收电路和传输系统及方法 |
CN107786199B (zh) * | 2016-08-26 | 2024-03-26 | 中惠创智(深圳)无线供电技术有限公司 | 单个lm324实现双路解码一路放大采样的电路及方法 |
US10537246B2 (en) | 2017-02-08 | 2020-01-21 | The Alfred E. Mann Foundation For Scientific Research | Multiple implant communications with adjustable load modulation based on received signal amplitudes |
CN109167573B (zh) * | 2018-08-27 | 2022-02-08 | 四川中微芯成科技有限公司 | 一种解调电路 |
EP3667935B1 (en) | 2018-12-14 | 2021-06-16 | Nxp B.V. | Method and system for operating a communications device that communicates via inductive coupling |
CN109962871B (zh) * | 2019-03-28 | 2021-07-23 | 四川中微芯成科技有限公司 | Ask调幅信号包络检测系统 |
CN110995402B (zh) * | 2019-11-29 | 2021-09-07 | 三维通信股份有限公司 | 同步脉冲传输方法、装置和系统 |
CN111049587A (zh) * | 2019-12-20 | 2020-04-21 | 成都优博创通信技术股份有限公司 | 一种导频信号检波方法、装置及光模块 |
US10892800B1 (en) | 2020-01-06 | 2021-01-12 | Nucurrent, Inc. | Systems and methods for wireless power transfer including pulse width encoded data communications |
US11303165B2 (en) | 2020-07-24 | 2022-04-12 | Nucurrent, Inc. | Low cost communications demodulation for wireless power receiver system |
US11303164B2 (en) | 2020-07-24 | 2022-04-12 | Nucurrent, Inc. | Low cost communications demodulation for wireless power transmission system |
CN114389925B (zh) * | 2020-10-21 | 2023-07-14 | 航天科工惯性技术有限公司 | 一种二进制振幅键控信号的解调电路及解调方法 |
US11431204B2 (en) | 2021-02-01 | 2022-08-30 | Nucurrent, Inc. | Automatic gain control for communications demodulation in wireless power transfer systems |
US11277034B1 (en) | 2021-02-01 | 2022-03-15 | Nucurrent, Inc. | Systems and methods for receiver beaconing in wireless power systems |
US11277035B1 (en) | 2021-02-01 | 2022-03-15 | Nucurrent, Inc. | Automatic gain control for communications demodulation in wireless power transmitters |
US11277031B1 (en) | 2021-02-01 | 2022-03-15 | Nucurrent, Inc. | Automatic gain control for communications demodulation in wireless power transmitters |
US11431205B2 (en) * | 2021-02-01 | 2022-08-30 | Nucurrent, Inc. | Systems and methods for receiver beaconing in wireless power systems |
US11569694B2 (en) * | 2021-02-01 | 2023-01-31 | Nucurrent, Inc. | Automatic gain control for communications demodulation in wireless power receivers |
US11811244B2 (en) * | 2021-02-01 | 2023-11-07 | Nucurrent, Inc. | Automatic gain control for communications demodulation in wireless power transmitters |
US11750037B2 (en) | 2021-06-22 | 2023-09-05 | Nucurrent, Inc. | Dynamic operation adjustment in wireless power transfer system |
US11456627B1 (en) * | 2021-06-22 | 2022-09-27 | Nucurrent, Inc. | Dynamic operation adjustment in wireless power transfer system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101286965A (zh) * | 2007-04-10 | 2008-10-15 | 麦奎尔有限公司 | 针对幅移键控信号具有多种操作模式的解调器 |
CN101309069A (zh) * | 2007-05-16 | 2008-11-19 | 华为技术有限公司 | 解调电路、数字微波系统和解调方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19858099C2 (de) * | 1998-12-16 | 2000-12-07 | Texas Instruments Deutschland | Demodulatorschaltung |
US7579906B2 (en) * | 2004-11-12 | 2009-08-25 | National Semiconductor Corporation | System and method for providing a low power low voltage data detection circuit for RF AM signals in EPC0 compliant RFID tags |
US7485847B2 (en) * | 2004-12-08 | 2009-02-03 | Georgia Tech Research Corporation | Displacement sensor employing discrete light pulse detection |
-
2009
- 2009-01-23 CN CN2009100458930A patent/CN101789921B/zh not_active Expired - Fee Related
-
2010
- 2010-01-23 US US12/692,603 patent/US8446983B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101286965A (zh) * | 2007-04-10 | 2008-10-15 | 麦奎尔有限公司 | 针对幅移键控信号具有多种操作模式的解调器 |
CN101309069A (zh) * | 2007-05-16 | 2008-11-19 | 华为技术有限公司 | 解调电路、数字微波系统和解调方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101789921A (zh) | 2010-07-28 |
US20100189196A1 (en) | 2010-07-29 |
US8446983B2 (en) | 2013-05-21 |
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ASS | Succession or assignment of patent right |
Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING Effective date: 20121116 |
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Effective date of registration: 20121116 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant after: Semiconductor Manufacturing International (Shanghai) Corporation Applicant after: Semiconductor Manufacturing International (Beijing) Corporation Address before: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant before: Semiconductor Manufacturing International (Shanghai) Corporation |
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