SE0004031L - Direkt digital amplitudmodulator - Google Patents
Direkt digital amplitudmodulatorInfo
- Publication number
- SE0004031L SE0004031L SE0004031A SE0004031A SE0004031L SE 0004031 L SE0004031 L SE 0004031L SE 0004031 A SE0004031 A SE 0004031A SE 0004031 A SE0004031 A SE 0004031A SE 0004031 L SE0004031 L SE 0004031L
- Authority
- SE
- Sweden
- Prior art keywords
- direct digital
- amplitude modulator
- digital amplitude
- interpolation technique
- ddam
- Prior art date
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)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004031A SE516705C2 (sv) | 2000-11-03 | 2000-11-03 | Direkt digital amplitudmodulator |
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 |
EP01981251A EP1338085B1 (en) | 2000-11-03 | 2001-11-01 | A direct digital amplitude modulator |
CNA018183905A CN1473392A (zh) | 2000-11-03 | 2001-11-01 | 直接数字幅度调制器 |
DE60137641T DE60137641D1 (de) | 2000-11-03 | 2001-11-01 | Direkt-digital-amplitudenmodulator |
AT01981251T ATE422727T1 (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 SE516705C2 (sv) | 2000-11-03 | 2000-11-03 | Direkt digital amplitudmodulator |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0004031D0 SE0004031D0 (sv) | 2000-11-03 |
SE0004031L true SE0004031L (sv) | 2002-02-12 |
SE516705C2 SE516705C2 (sv) | 2002-02-12 |
Family
ID=20281694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0004031A SE516705C2 (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) | SE516705C2 (sv) |
WO (1) | WO2002037667A1 (sv) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE516705C2 (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 |
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 |
US7421037B2 (en) | 2003-11-20 | 2008-09-02 | Nokia Corporation | Reconfigurable transmitter with direct digital to RF modulator |
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)
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 |
SE516705C2 (sv) * | 2000-11-03 | 2002-02-12 | Ericsson Telefon Ab L M | Direkt digital amplitudmodulator |
-
2000
- 2000-11-03 SE SE0004031A patent/SE516705C2/sv not_active IP Right Cessation
-
2001
- 2001-11-01 CN CNA018183905A patent/CN1473392A/zh active Pending
- 2001-11-01 AT AT01981251T patent/ATE422727T1/de not_active IP Right Cessation
- 2001-11-01 WO PCT/SE2001/002411 patent/WO2002037667A1/en not_active Application Discontinuation
- 2001-11-01 AU AU2002212907A patent/AU2002212907A1/en not_active Abandoned
- 2001-11-01 DE DE60137641T patent/DE60137641D1/de not_active Expired - Lifetime
- 2001-11-01 EP EP01981251A patent/EP1338085B1/en not_active Expired - Lifetime
-
2003
- 2003-04-30 US US10/426,557 patent/US7164328B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1338085A1 (en) | 2003-08-27 |
US20050074073A1 (en) | 2005-04-07 |
US7164328B2 (en) | 2007-01-16 |
WO2002037667A1 (en) | 2002-05-10 |
DE60137641D1 (de) | 2009-03-26 |
AU2002212907A1 (en) | 2002-05-15 |
ATE422727T1 (de) | 2009-02-15 |
SE516705C2 (sv) | 2002-02-12 |
SE0004031D0 (sv) | 2000-11-03 |
EP1338085B1 (en) | 2009-02-11 |
CN1473392A (zh) | 2004-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |