DK1192776T3 - Reflekterende modulatorkredsløb omfattende en forstærker med negativ impedans - Google Patents

Reflekterende modulatorkredsløb omfattende en forstærker med negativ impedans

Info

Publication number
DK1192776T3
DK1192776T3 DK00937062T DK00937062T DK1192776T3 DK 1192776 T3 DK1192776 T3 DK 1192776T3 DK 00937062 T DK00937062 T DK 00937062T DK 00937062 T DK00937062 T DK 00937062T DK 1192776 T3 DK1192776 T3 DK 1192776T3
Authority
DK
Denmark
Prior art keywords
amplifier
reflected
negative impedance
phase
reflecting
Prior art date
Application number
DK00937062T
Other languages
Danish (da)
English (en)
Inventor
Adrian Nigel Farr
Ian James Forster
Original Assignee
Marconi Uk Intellectual Prop
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marconi Uk Intellectual Prop filed Critical Marconi Uk Intellectual Prop
Application granted granted Critical
Publication of DK1192776T3 publication Critical patent/DK1192776T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • H04L27/2039—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers using microwave technology

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplitude Modulation (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DK00937062T 1999-06-25 2000-06-07 Reflekterende modulatorkredsløb omfattende en forstærker med negativ impedans DK1192776T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9914941A GB2351423A (en) 1999-06-25 1999-06-25 Modulator circuit
PCT/GB2000/002200 WO2001001649A1 (en) 1999-06-25 2000-06-07 Reflecting modulator circuit comprising a negative impedance amplifier

Publications (1)

Publication Number Publication Date
DK1192776T3 true DK1192776T3 (da) 2003-11-03

Family

ID=10856110

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00937062T DK1192776T3 (da) 1999-06-25 2000-06-07 Reflekterende modulatorkredsløb omfattende en forstærker med negativ impedans

Country Status (13)

Country Link
US (2) US7046957B1 (ko)
EP (1) EP1192776B1 (ko)
JP (1) JP4486771B2 (ko)
KR (1) KR100667435B1 (ko)
CN (1) CN1371566A (ko)
AT (1) ATE251826T1 (ko)
AU (1) AU5235400A (ko)
CA (1) CA2377632A1 (ko)
DE (1) DE60005833T2 (ko)
DK (1) DK1192776T3 (ko)
ES (1) ES2204619T3 (ko)
GB (1) GB2351423A (ko)
WO (1) WO2001001649A1 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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GB2351423A (en) * 1999-06-25 2000-12-27 Marconi Electronic Syst Ltd Modulator circuit
AU2003237866A1 (en) * 2002-01-22 2003-09-02 Bae Systems Information And Electronic Systems Integration Inc. Digital rf tag
GB2399921B (en) * 2003-03-26 2005-12-28 Schlumberger Holdings Borehole telemetry system
US8170079B2 (en) * 2003-07-28 2012-05-01 Los Alamos National Security, Llc Code division multiple access signaling for modulated reflector technology
GB0413112D0 (en) 2004-06-14 2004-07-14 Texas Instruments Ltd High bandwidth, high gain receiver equaliser
JP2006041952A (ja) * 2004-07-27 2006-02-09 Sony Corp 情報処理装置、情報機器及び情報機器の制御方法
US7348893B2 (en) 2004-12-22 2008-03-25 Schlumberger Technology Corporation Borehole communication and measurement system
WO2007044653A1 (en) * 2005-10-07 2007-04-19 Superconductor Technologies, Inc. System and method for detecting radio circuits using intermodulation distortion
US7768407B2 (en) 2007-06-22 2010-08-03 Avery Dennison Corporation Foldable RFID device interposer and method
US7880614B2 (en) * 2007-09-26 2011-02-01 Avery Dennison Corporation RFID interposer with impedance matching
US8633821B2 (en) * 2007-12-03 2014-01-21 Avery Dennison Corporation Dual use RFID/EAS device
US8847764B2 (en) * 2007-12-05 2014-09-30 Avery Dennison Corporation RFID system with distributed read structure
US7786868B2 (en) * 2007-12-11 2010-08-31 Avery Dennison Corporation RFID device with multiple passive operation modes
ES2659879T3 (es) * 2010-10-05 2018-03-19 Kapsch Trafficcom Ab Un transpondedor de vehículo de única antena
US9184957B2 (en) 2012-12-27 2015-11-10 Intel Corporation High speed receivers circuits and methods
WO2016011421A1 (en) * 2014-07-17 2016-01-21 The Regents Of The University Of California Microwave reflector link, and cdma-spread spectrum reflector apparatus for reduction of unmodulated ambient blockers in reflected data links
CN113794451B (zh) * 2021-08-11 2023-06-30 西安电子科技大学 一种基于振荡负阻特性的低功耗单端反射放大器电路
CN113794454B (zh) * 2021-08-11 2023-07-04 西安电子科技大学 一种基于交叉耦合负阻电路的单端输入反射放大器电路

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
DE1912852C3 (de) 1969-03-13 1978-05-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Reflexionsverstärker für sehr kurze elektromagnetische Wellen
US4075632A (en) * 1974-08-27 1978-02-21 The United States Of America As Represented By The United States Department Of Energy Interrogation, and detection system
JPS57111158A (en) * 1980-12-26 1982-07-10 Fujitsu Ltd Reflective phase modulator
JPS60104945A (ja) * 1983-11-14 1985-06-10 Konishiroku Photo Ind Co Ltd 自動現像機
JPS61257050A (ja) * 1985-05-10 1986-11-14 Hitachi Shonan Denshi Kk Ｐｓｋ変調回路
JPS63198452A (ja) * 1987-02-13 1988-08-17 Matsushita Electric Works Ltd 反射型位相変調器
JPS63262906A (ja) 1987-04-20 1988-10-31 Sharp Corp Ｓｓｂ変調器
CA1335676C (en) * 1988-01-14 1995-05-23 Akira Iga Portable data transmitter device and a system using the same
FR2650905B1 (fr) * 1989-08-08 1994-08-26 Guena Jean Systeme radio de transmission de donnees a une extremite passive de faible cout
JPH03113387A (ja) * 1989-09-27 1991-05-14 Nippon Soken Inc 移動体識別装置の応答器
JPH0496520A (ja) * 1990-08-13 1992-03-27 Sharp Corp データ送信装置
FR2669475B1 (fr) * 1990-11-16 1993-01-22 Thomson Composants Microondes Modem pour badge hyperfrequence, a amplificateur a reflexion.
FR2669484B1 (fr) * 1990-11-16 1994-03-25 Thomson Composants Microondes Dispositif de telecommunications par ondes electromagnetiques.
JPH06104945A (ja) 1992-09-22 1994-04-15 Hitachi Chem Co Ltd ２相位相変調回路
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US5649295A (en) * 1995-06-19 1997-07-15 Lucent Technologies Inc. Dual mode modulated backscatter system
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GB2351423A (en) * 1999-06-25 2000-12-27 Marconi Electronic Syst Ltd Modulator circuit

Also Published As

Publication number Publication date
DE60005833T2 (de) 2004-05-06
JP2003503903A (ja) 2003-01-28
KR100667435B1 (ko) 2007-01-10
DE60005833D1 (de) 2003-11-13
EP1192776B1 (en) 2003-10-08
CA2377632A1 (en) 2001-01-04
AU5235400A (en) 2001-01-31
WO2001001649A1 (en) 2001-01-04
GB2351423A (en) 2000-12-27
EP1192776A1 (en) 2002-04-03
GB9914941D0 (en) 2000-05-24
KR20020029336A (ko) 2002-04-18
JP4486771B2 (ja) 2010-06-23
US7046957B1 (en) 2006-05-16
ES2204619T3 (es) 2004-05-01
US20060279370A1 (en) 2006-12-14
CN1371566A (zh) 2002-09-25
ATE251826T1 (de) 2003-10-15
US7551903B2 (en) 2009-06-23

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