AU2001274253A1 - Signal modulation - Google Patents

Signal modulation

Info

Publication number
AU2001274253A1
AU2001274253A1 AU2001274253A AU7425301A AU2001274253A1 AU 2001274253 A1 AU2001274253 A1 AU 2001274253A1 AU 2001274253 A AU2001274253 A AU 2001274253A AU 7425301 A AU7425301 A AU 7425301A AU 2001274253 A1 AU2001274253 A1 AU 2001274253A1
Authority
AU
Australia
Prior art keywords
signal modulation
modulation
signal
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.)
Abandoned
Application number
AU2001274253A
Other languages
English (en)
Inventor
Ian Appleton
Stephen Goodwin
Neil Peniket
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aeroflex Cambridge Ltd
Original Assignee
Ubinetics Ltd
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 Ubinetics Ltd filed Critical Ubinetics Ltd
Publication of AU2001274253A1 publication Critical patent/AU2001274253A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
AU2001274253A 2000-06-20 2001-06-18 Signal modulation Abandoned AU2001274253A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0015131 2000-06-20
GB0015131A GB2363922A (en) 2000-06-20 2000-06-20 Varying duration of a bi-level signal pulse in order to control the shape of the pulse envelope of an amplifier output signal
PCT/GB2001/002690 WO2001099275A1 (en) 2000-06-20 2001-06-18 Signal modulation

Publications (1)

Publication Number Publication Date
AU2001274253A1 true AU2001274253A1 (en) 2002-01-02

Family

ID=9894067

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001274253A Abandoned AU2001274253A1 (en) 2000-06-20 2001-06-18 Signal modulation

Country Status (8)

Country Link
US (1) US20030169119A1 (ja)
EP (1) EP1295388A1 (ja)
JP (1) JP2003536340A (ja)
KR (1) KR20030028487A (ja)
CN (1) CN1446399A (ja)
AU (1) AU2001274253A1 (ja)
GB (1) GB2363922A (ja)
WO (1) WO2001099275A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100968552B1 (ko) * 2009-11-18 2010-07-09 씨앤지환경기술 (주) 생태도랑 및 인공수초섬을 이용한 질소 및 색도 저감시스템

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191188A (en) * 1976-05-07 1980-03-04 Macan Engineering & Manufacturing Company, Inc. Variable crest factor high frequency generator apparatus
JPH0590853A (ja) * 1991-09-27 1993-04-09 Nec Corp 電力増幅回路
FI97179C (fi) * 1994-06-15 1996-10-25 Nokia Mobile Phones Ltd Pulssitetun lähettimen lähtötehon säätö ja tehon verhokäyrän muotoilu
JP2571033B2 (ja) * 1994-12-30 1997-01-16 日本電気株式会社 送信電力増幅回路の出力制御回路
JPH09205333A (ja) * 1996-01-24 1997-08-05 Sony Corp 電力増幅回路
US5838193A (en) * 1996-11-26 1998-11-17 Motorola, Inc. Time-delay compensating wideband class-s modulator and method therefor
US5982231A (en) * 1997-07-23 1999-11-09 Linfinity Microelectronics, Inc. Multiple channel class D audio amplifier
US6608874B1 (en) * 1998-01-12 2003-08-19 Hughes Electronics Corporation Method and apparatus for quadrature multi-pulse modulation of data for spectrally efficient communication
JP3473492B2 (ja) * 1999-04-28 2003-12-02 株式会社村田製作所 Ａｓｋ変調器およびそれを用いた通信装置
EP1429455A1 (en) * 2002-12-11 2004-06-16 Dialog Semiconductor GmbH Linearization of a PDM class-D amplifier

Also Published As

Publication number Publication date
GB0015131D0 (en) 2000-08-09
WO2001099275A1 (en) 2001-12-27
JP2003536340A (ja) 2003-12-02
US20030169119A1 (en) 2003-09-11
EP1295388A1 (en) 2003-03-26
CN1446399A (zh) 2003-10-01
GB2363922A (en) 2002-01-09
KR20030028487A (ko) 2003-04-08

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