DE60137641D1 - Direkt-digital-amplitudenmodulator - Google Patents
Direkt-digital-amplitudenmodulatorInfo
- Publication number
- DE60137641D1 DE60137641D1 DE60137641T DE60137641T DE60137641D1 DE 60137641 D1 DE60137641 D1 DE 60137641D1 DE 60137641 T DE60137641 T DE 60137641T DE 60137641 T DE60137641 T DE 60137641T DE 60137641 D1 DE60137641 D1 DE 60137641D1
- Authority
- DE
- Germany
- Prior art keywords
- direct digital
- amplitude modulator
- digital amplitude
- interpolation technique
- ddam
- 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.)
- Expired - Lifetime
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004031A SE0004031L (sv) | 2000-11-03 | 2000-11-03 | Direkt digital amplitudmodulator |
PCT/SE2001/002411 WO2002037667A1 (en) | 2000-11-03 | 2001-11-01 | A direct digital amplitude modulator |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60137641D1 true DE60137641D1 (de) | 2009-03-26 |
Family
ID=20281694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60137641T Expired - Lifetime DE60137641D1 (de) | 2000-11-03 | 2001-11-01 | Direkt-digital-amplitudenmodulator |
Country Status (8)
Country | Link |
---|---|
US (1) | US7164328B2 (de) |
EP (1) | EP1338085B1 (de) |
CN (1) | CN1473392A (de) |
AT (1) | ATE422727T1 (de) |
AU (1) | AU2002212907A1 (de) |
DE (1) | DE60137641D1 (de) |
SE (1) | SE0004031L (de) |
WO (1) | WO2002037667A1 (de) |
Families Citing this family (20)
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 |
US7421037B2 (en) | 2003-11-20 | 2008-09-02 | Nokia Corporation | Reconfigurable transmitter with direct digital to RF modulator |
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 |
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 (de) | 2008-07-07 | 2010-01-20 | Nxp B.V. | Digitaler 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 |
US10382246B2 (en) * | 2014-01-07 | 2019-08-13 | Quantumsine Acquisitions Inc. | Combined amplitude-time and phase modulation |
US11140018B2 (en) * | 2014-01-07 | 2021-10-05 | Quantumsine Acquisitions Inc. | Method and apparatus for intra-symbol multi-dimensional 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 |
JP2001514467A (ja) * | 1997-08-25 | 2001-09-11 | ノキア ネットワークス オサケ ユキチュア | 角度及び/又は振幅変調のためのデジタル変調器 |
BR9909353A (pt) * | 1998-04-02 | 2000-12-12 | Ericsson Inc | Amplificador de potência, processo e aparelho para amplificar um sinal de entrada de ca de amplitude variante e fase variante usando uma fonte de alimentação de cc, processos para amplificar um sinal de entrada de amplitude variante e fase variante a um nìvel de potência desejado, para gerar de um sinal de amplitude variante e fase variante, uma pluralidade de sinais de amplitude constante e fase variante, e para sintetizar de uma forma de onda de entrada, uma forma de onda de saìda em uma carga usando uma fonte de alimentação de cc, transmissor para produzir um sinal de saìda de amplitude variante em um nìvel de potência desejado e em uma frequência portadora desejada, de um sinal de entrada de amplitude variante e fase variante, sistema para gerar de um sinal de amplitude variante e fase variante, uma pluralidade de sinais de amplitude constante e fase variante, e, aparelho para sintetizar de uma forma de onda de entrada, uma forma de onda de saìda em uma carga usando uma fonte de alimentação de cc |
SE0004031L (sv) * | 2000-11-03 | 2002-02-12 | Ericsson Telefon Ab L M | Direkt digital amplitudmodulator |
-
2000
- 2000-11-03 SE SE0004031A patent/SE0004031L/ not_active IP Right Cessation
-
2001
- 2001-11-01 CN CNA018183905A patent/CN1473392A/zh active Pending
- 2001-11-01 DE DE60137641T patent/DE60137641D1/de not_active Expired - Lifetime
- 2001-11-01 EP EP01981251A patent/EP1338085B1/de not_active Expired - Lifetime
- 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 AT AT01981251T patent/ATE422727T1/de not_active IP Right Cessation
-
2003
- 2003-04-30 US US10/426,557 patent/US7164328B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE422727T1 (de) | 2009-02-15 |
CN1473392A (zh) | 2004-02-04 |
WO2002037667A1 (en) | 2002-05-10 |
EP1338085B1 (de) | 2009-02-11 |
US20050074073A1 (en) | 2005-04-07 |
AU2002212907A1 (en) | 2002-05-15 |
SE516705C2 (sv) | 2002-02-12 |
SE0004031D0 (sv) | 2000-11-03 |
EP1338085A1 (de) | 2003-08-27 |
US7164328B2 (en) | 2007-01-16 |
SE0004031L (sv) | 2002-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |