DE69702325D1 - Funksendegerät - Google Patents
FunksendegerätInfo
- Publication number
- DE69702325D1 DE69702325D1 DE69702325T DE69702325T DE69702325D1 DE 69702325 D1 DE69702325 D1 DE 69702325D1 DE 69702325 T DE69702325 T DE 69702325T DE 69702325 T DE69702325 T DE 69702325T DE 69702325 D1 DE69702325 D1 DE 69702325D1
- Authority
- DE
- Germany
- Prior art keywords
- radio transmitter
- transmitter
- radio
- 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
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
- H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
- H03D7/168—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages using a feedback loop containing mixers or demodulators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1529396P | 1996-04-12 | 1996-04-12 | |
US08/794,744 US6032028A (en) | 1996-04-12 | 1997-02-03 | Radio transmitter apparatus and method |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69702325D1 true DE69702325D1 (de) | 2000-07-27 |
Family
ID=26687196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69702325T Expired - Lifetime DE69702325D1 (de) | 1996-04-12 | 1997-04-11 | Funksendegerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US6032028A (de) |
EP (1) | EP0801465B1 (de) |
CN (1) | CN1168572A (de) |
CA (1) | CA2202317A1 (de) |
DE (1) | DE69702325D1 (de) |
ES (1) | ES2147422T3 (de) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998023068A1 (fr) * | 1996-11-19 | 1998-05-28 | Matsushita Electric Industrial Co., Ltd. | Emetteur |
US6137826A (en) | 1997-11-17 | 2000-10-24 | Ericsson Inc. | Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals |
US6100827A (en) * | 1998-09-11 | 2000-08-08 | Ericsson Inc. | Modulation systems and methods that compensate for DC offset introduced by the digital-to-analog converter and/or the low pass filter thereof |
JP3856555B2 (ja) * | 1998-01-30 | 2006-12-13 | 富士通株式会社 | 位相角検出器及びそれを利用した周波数弁別器 |
US6519448B1 (en) * | 1998-09-30 | 2003-02-11 | William A. Dress | Personal, self-programming, short-range transceiver system |
US6584146B2 (en) * | 1999-01-13 | 2003-06-24 | Vanu, Inc. | Systems and methods for wireless communications |
JP2000304570A (ja) * | 1999-04-21 | 2000-11-02 | Sony Corp | 位相調整回路、スケール信号発生回路および位置測定装置 |
US6307506B1 (en) * | 1999-10-18 | 2001-10-23 | Acorn Technologies, Inc. | Method and apparatus for enhancing the directional transmission and reception of information |
US6359937B1 (en) * | 2000-03-03 | 2002-03-19 | Lucent Technologies Inc. | Method and apparatus for performing analog mode operations when transmitting audio and data in a wireless TDMA system |
CA2302004A1 (en) * | 2000-03-22 | 2001-09-22 | Vajira N. S. Samarasooriya | Method and system for achieving carrier frequency synchronization in a high speed receiver |
EP1364476A2 (de) * | 2000-09-20 | 2003-11-26 | Koninklijke Philips Electronics N.V. | Sendesabzweigs und/oder empfängsabzweigs-einstellung in einem quadratur sender und/oder sender-empfänger |
US6549153B2 (en) | 2000-10-25 | 2003-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Digital to analog conversion method and apparatus |
US20040183614A1 (en) * | 2001-04-13 | 2004-09-23 | Jeroen Kuenen | Frequency modulation using a zero hz vco |
US7054606B1 (en) * | 2001-09-21 | 2006-05-30 | Lsi Logic Corporation | Digitally calibrated narrowband filter with analog channel compensation |
US6801761B2 (en) * | 2002-02-15 | 2004-10-05 | Broadcom Corp. | Programmable mixer and radio applications thereof |
KR100429329B1 (ko) * | 2002-01-25 | 2004-04-29 | 인티그런트 테크놀로지즈(주) | 부정합 보상에 의해 스퓨리어스 신호가 제거된 믹서 회로 |
US7388931B1 (en) * | 2002-06-12 | 2008-06-17 | Marvell International Ltd. | ADC architecture for wireless applications |
US20040193970A1 (en) * | 2003-03-31 | 2004-09-30 | Casper Dietrich | Receiver system with adjustable sampling and reference levels |
US7003263B2 (en) * | 2003-05-12 | 2006-02-21 | Lucent Technologies Inc. | Telecommunications receiver and a transmitter |
US7251462B2 (en) * | 2003-07-08 | 2007-07-31 | Matsushita Electric Industrial Co., Ltd. | Modulation circuit device, modulation method and radio communication device |
KR100565787B1 (ko) | 2003-07-14 | 2006-03-29 | 삼성전자주식회사 | 초광대역 통신 시스템에서 주파수 생성 장치 및 방법 |
EP1499010B1 (de) * | 2003-07-14 | 2013-09-25 | Samsung Electronics Co., Ltd. | Frequenzumsetzer und Verfahren dazu |
US20050020217A1 (en) * | 2003-07-23 | 2005-01-27 | Ramin Khoini-Poorfard | Communication terminal with low carrier feedthrough and communication system using such a terminal |
US20050020205A1 (en) * | 2003-07-23 | 2005-01-27 | Ramin Khoini-Poorfard | Apparatus and method for carrier feedthrough cancellation in RF upconverters |
US7027780B2 (en) * | 2003-09-30 | 2006-04-11 | Broadcom Corporation | Technique for improving modulation performance of translational loop RF transmitters |
US7348838B2 (en) * | 2004-04-27 | 2008-03-25 | Broadcom Corporation | Method and system for DC offset cancellation from a modulated signal |
EP1646142A1 (de) * | 2004-10-07 | 2006-04-12 | Infineon Technologies AG | Digitale Frequenzumsetzung mittels Taylor-Approximation |
KR100810322B1 (ko) * | 2004-10-29 | 2008-03-07 | 삼성전자주식회사 | 이동 통신용 고효율 전력 증폭 장치 및 방법 |
US7831220B2 (en) * | 2005-07-26 | 2010-11-09 | Broadcom Corporation | Methods and systems for calibrating for gain and phase imbalance and local oscillator feed-through |
JP2007088657A (ja) * | 2005-09-21 | 2007-04-05 | Neuro Solution Corp | Fmトランスミッタ |
US7522676B2 (en) * | 2006-02-06 | 2009-04-21 | Nokia Corporation | Method and system for transmitter envelope delay calibration |
US7782128B2 (en) * | 2006-07-28 | 2010-08-24 | Mstar Semiconductor, Inc. | Sign detection device and associated method |
DE102007042979B4 (de) * | 2007-09-10 | 2017-07-20 | Intel Deutschland Gmbh | Integrierte Schaltung für Mobilfunk-Sendeempfänger |
US20090086796A1 (en) * | 2007-09-28 | 2009-04-02 | Ahmadreza Rofougaran | Method And System For A High Frequency Signal Repeater Using A DDFS |
US8085877B2 (en) * | 2007-09-28 | 2011-12-27 | Broadcom Corporation | Method and system for quadrature local oscillator generator utilizing a DDFS for extremely high frequencies |
US8213885B2 (en) * | 2008-04-11 | 2012-07-03 | Nautel Limited | Impedance measurement in an active radio frequency transmitter |
US8068556B2 (en) * | 2008-06-26 | 2011-11-29 | Ljt & Associates, Inc. | Flexible, reconfigurable, power efficient transmitter and method |
US20090323859A1 (en) * | 2008-06-26 | 2009-12-31 | Bishop James W | Flexible, Reconfigurable, Power Efficient Transmitter and Method |
US8355460B2 (en) * | 2011-05-24 | 2013-01-15 | Continental Electronics Corp. | Radio transmitter system and method |
RU2488217C2 (ru) * | 2011-10-13 | 2013-07-20 | Федеральное государственное военное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации | Способ амплитудной модуляции и демодуляции высокочастотных сигналов и устройство его реализации |
US9094067B2 (en) | 2012-09-12 | 2015-07-28 | Mediatek Singapore Pte. Ltd. | Method and apparatus for calibrating an envelope tracking system |
WO2014048467A1 (en) * | 2012-09-26 | 2014-04-03 | Aktiebolaget Skf | System for processing electric signals delivered by a sensor, sensor unit comprising such a system, instrumented bearing and method for processing electric signals |
US9755707B2 (en) * | 2013-01-30 | 2017-09-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for calibrating multiple antennas |
US9021002B2 (en) * | 2013-02-05 | 2015-04-28 | Hong Kong Applied Science & Technology Research Institute Company, Limited | Phase-to-amplitude converter for direct digital synthesizer (DDS) with reduced AND and reconstructed ADD logic arrays |
JP6222980B2 (ja) * | 2013-05-09 | 2017-11-01 | キヤノン株式会社 | 音響装置及び電子機器 |
CN104218983B (zh) * | 2013-05-31 | 2017-11-24 | 华为技术有限公司 | 联合通道校正方法及装置 |
JP6508052B2 (ja) * | 2013-09-26 | 2019-05-08 | 日本電気株式会社 | 信号送信装置、歪補償装置、及び信号送信方法 |
US9247435B2 (en) | 2014-01-15 | 2016-01-26 | Qualcomm Incorporated | Null beamforming in a communication network |
US9166577B2 (en) | 2014-01-29 | 2015-10-20 | Qualcomm Incorporated | Modulation through differentially delayed clocks |
JP6497640B2 (ja) * | 2014-04-09 | 2019-04-10 | パナソニックIpマネジメント株式会社 | キャリブレーション装置及びキャリブレーション方法 |
EP3254134A4 (de) * | 2015-02-04 | 2018-10-17 | Artsys360 Ltd. | Multimodales radarsystem |
US10411583B2 (en) * | 2018-01-19 | 2019-09-10 | Silicon Laboratories Inc. | System and method for reducing output harmonics |
CN110708084B (zh) * | 2019-10-15 | 2022-04-29 | 成都振芯科技股份有限公司 | 一种基于包络检测的发端的iq校正电路及方法 |
CN111245443B (zh) * | 2020-03-06 | 2023-04-25 | 创驱(上海)新能源科技有限公司 | 一种基于dsadc的旋变软解码处理方法及其装置 |
CN115021836A (zh) * | 2022-05-31 | 2022-09-06 | 哲库科技(北京)有限公司 | 信号补偿方法及装置、频域补偿数据确定方法及装置 |
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US3958191A (en) * | 1974-11-21 | 1976-05-18 | International Business Machines Corporation | Multi-line, multi-mode modulator using bandwidth reduction for digital fsk and dpsk modulation |
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DE2951134A1 (de) * | 1979-12-19 | 1981-07-23 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur gewinnung eines abtasttaktes |
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-
1997
- 1997-02-03 US US08/794,744 patent/US6032028A/en not_active Expired - Fee Related
- 1997-04-10 CA CA002202317A patent/CA2202317A1/en not_active Abandoned
- 1997-04-11 DE DE69702325T patent/DE69702325D1/de not_active Expired - Lifetime
- 1997-04-11 ES ES97302516T patent/ES2147422T3/es not_active Expired - Lifetime
- 1997-04-11 EP EP97302516A patent/EP0801465B1/de not_active Expired - Lifetime
- 1997-04-12 CN CN97113089A patent/CN1168572A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0801465B1 (de) | 2000-06-21 |
CN1168572A (zh) | 1997-12-24 |
EP0801465A1 (de) | 1997-10-15 |
ES2147422T3 (es) | 2000-09-01 |
US6032028A (en) | 2000-02-29 |
CA2202317A1 (en) | 1997-10-12 |
MX9702753A (es) | 1998-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |