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SE0004031D0 - A direct digital amplitude modulator - Google Patents

A direct digital amplitude modulator

Info

Publication number
SE0004031D0
SE0004031D0 SE0004031A SE0004031A SE0004031D0 SE 0004031 D0 SE0004031 D0 SE 0004031D0 SE 0004031 A SE0004031 A SE 0004031A SE 0004031 A SE0004031 A SE 0004031A SE 0004031 D0 SE0004031 D0 SE 0004031D0
Authority
SE
Sweden
Prior art keywords
direct digital
amplitude modulator
digital amplitude
interpolation technique
ddam
Prior art date
Application number
SE0004031A
Other languages
English (en)
Other versions
SE516705C2 (sv
SE0004031L (sv
Inventor
Jiren Yuan
Yijun Zhou
Original Assignee
Jiren Yuan
Yijun Zhou
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 Jiren Yuan, Yijun Zhou filed Critical Jiren Yuan
Priority to SE0004031A priority Critical patent/SE0004031L/sv
Publication of SE0004031D0 publication Critical patent/SE0004031D0/sv
Priority to CNA018183905A priority patent/CN1473392A/zh
Priority to AU2002212907A priority patent/AU2002212907A1/en
Priority to PCT/SE2001/002411 priority patent/WO2002037667A1/en
Priority to AT01981251T priority patent/ATE422727T1/de
Priority to EP01981251A priority patent/EP1338085B1/en
Priority to DE60137641T priority patent/DE60137641D1/de
Publication of SE516705C2 publication Critical patent/SE516705C2/sv
Publication of SE0004031L publication Critical patent/SE0004031L/sv
Priority to US10/426,557 priority patent/US7164328B2/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H03C1/547—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/36—Amplitude modulation by means of semiconductor device having at least three electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
SE0004031A 2000-11-03 2000-11-03 Direkt digital amplitudmodulator SE0004031L (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0004031A SE0004031L (sv) 2000-11-03 2000-11-03 Direkt digital amplitudmodulator
CNA018183905A CN1473392A (zh) 2000-11-03 2001-11-01 直接数字幅度调制器
AU2002212907A AU2002212907A1 (en) 2000-11-03 2001-11-01 A direct digital amplitude modulator
PCT/SE2001/002411 WO2002037667A1 (en) 2000-11-03 2001-11-01 A direct digital amplitude modulator
AT01981251T ATE422727T1 (de) 2000-11-03 2001-11-01 Direkt-digital-amplitudenmodulator
EP01981251A EP1338085B1 (en) 2000-11-03 2001-11-01 A direct digital amplitude modulator
DE60137641T DE60137641D1 (de) 2000-11-03 2001-11-01 Direkt-digital-amplitudenmodulator
US10/426,557 US7164328B2 (en) 2000-11-03 2003-04-30 Direct digital amplitude modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004031A SE0004031L (sv) 2000-11-03 2000-11-03 Direkt digital amplitudmodulator

Publications (3)

Publication Number Publication Date
SE0004031D0 true SE0004031D0 (sv) 2000-11-03
SE516705C2 SE516705C2 (sv) 2002-02-12
SE0004031L SE0004031L (sv) 2002-02-12

Family

ID=20281694

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0004031A SE0004031L (sv) 2000-11-03 2000-11-03 Direkt digital amplitudmodulator

Country Status (8)

Country Link
US (1) US7164328B2 (sv)
EP (1) EP1338085B1 (sv)
CN (1) CN1473392A (sv)
AT (1) ATE422727T1 (sv)
AU (1) AU2002212907A1 (sv)
DE (1) DE60137641D1 (sv)
SE (1) SE0004031L (sv)
WO (1) WO2002037667A1 (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0004031L (sv) * 2000-11-03 2002-02-12 Ericsson Telefon Ab L M Direkt digital amplitudmodulator
US7447272B2 (en) * 2003-04-22 2008-11-04 Freescale Semiconductor, Inc. Filter method and apparatus for polar modulation
US7424064B2 (en) 2003-11-20 2008-09-09 Nokia Corporation Polar transmitter with digital to RF converter
US7421037B2 (en) 2003-11-20 2008-09-02 Nokia Corporation Reconfigurable transmitter with direct digital to RF modulator
US6980779B2 (en) * 2003-11-20 2005-12-27 Nokia Corporation RF transmitter using digital-to-RF conversion
US6937848B2 (en) 2003-11-20 2005-08-30 Nokia Corporation Method and device for digital-to-RF conversion
US7333780B2 (en) * 2004-03-03 2008-02-19 Matsushita Electric Industrial Co., Ltd. Polar modulation transmission apparatus and radio communication apparatus
US7983632B2 (en) * 2004-09-24 2011-07-19 Broadcom Corporation Feedback control loop for amplitude modulation in a polar transmitter with a translational loop
US7345612B2 (en) * 2006-02-07 2008-03-18 Nokia Corporation Digital-to-radio frequency conversion device, chip set, transmitter, user terminal and data processing method
US7801498B2 (en) 2006-09-18 2010-09-21 Stmicroelectronics Sa Transmission of analog signals in a system-on-chip
CN101246507B (zh) * 2007-12-29 2010-09-29 湖南大学 一种∑δ调制器开关电流集成电路的参数设计优化方法
EP2146427A1 (en) 2008-07-07 2010-01-20 Nxp B.V. Digital modulator
US7714759B1 (en) * 2008-10-20 2010-05-11 Telefonaktiebolaget Lm Ericsson (Publ) Low power linear interpolation digital-to-analog conversion
US8861627B2 (en) * 2009-07-15 2014-10-14 Fujitsu Limited Direct mm-wave m-ary quadrature amplitude modulation (QAM) modulator operating in saturated power mode
US8831159B2 (en) * 2011-02-09 2014-09-09 Intel Mobile Communications GmbH AM-PM synchronization unit
WO2013152046A1 (en) * 2012-04-02 2013-10-10 Marvell World Trade Ltd. Very compact/linear software defined transmitter with digital modulator
US11140018B2 (en) * 2014-01-07 2021-10-05 Quantumsine Acquisitions Inc. Method and apparatus for intra-symbol multi-dimensional modulation
US10382246B2 (en) * 2014-01-07 2019-08-13 Quantumsine Acquisitions Inc. Combined amplitude-time and phase modulation
CN104052710B (zh) 2014-06-24 2017-07-14 华为技术有限公司 数字发射机的调制电路、数字发射机和信号调制方法
CN104122444B (zh) * 2014-08-06 2016-10-19 石家庄数英仪器有限公司 全数字中频频谱分析仪及频谱分析方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118384A (en) * 1982-03-26 1983-10-26 Plessey Co Plc Digital amplitude modulator
WO1999011040A1 (en) * 1997-08-25 1999-03-04 Nokia Networks Oy Digital modulator for angle and/or amplitude modulation
AU746940B2 (en) * 1998-04-02 2002-05-09 Ericsson Inc. Hybrid chireix/doherty amplifiers power waveform synthesis
SE0004031L (sv) * 2000-11-03 2002-02-12 Ericsson Telefon Ab L M Direkt digital amplitudmodulator

Also Published As

Publication number Publication date
SE516705C2 (sv) 2002-02-12
US20050074073A1 (en) 2005-04-07
DE60137641D1 (de) 2009-03-26
ATE422727T1 (de) 2009-02-15
CN1473392A (zh) 2004-02-04
SE0004031L (sv) 2002-02-12
EP1338085B1 (en) 2009-02-11
US7164328B2 (en) 2007-01-16
EP1338085A1 (en) 2003-08-27
WO2002037667A1 (en) 2002-05-10
AU2002212907A1 (en) 2002-05-15

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Legal Events

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