KR100470255B1 - 디지털 송신기 시스템 및 방법 - Google Patents
디지털 송신기 시스템 및 방법 Download PDFInfo
- Publication number
- KR100470255B1 KR100470255B1 KR10-2002-0006978A KR20020006978A KR100470255B1 KR 100470255 B1 KR100470255 B1 KR 100470255B1 KR 20020006978 A KR20020006978 A KR 20020006978A KR 100470255 B1 KR100470255 B1 KR 100470255B1
- Authority
- KR
- South Korea
- Prior art keywords
- analog
- frequency
- analog signal
- digital
- image
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/784846 | 2001-02-16 | ||
| US09/784,846 US6944238B2 (en) | 2001-02-16 | 2001-02-16 | Digital transmitter system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020067625A KR20020067625A (ko) | 2002-08-23 |
| KR100470255B1 true KR100470255B1 (ko) | 2005-02-07 |
Family
ID=25133706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2002-0006978A Expired - Fee Related KR100470255B1 (ko) | 2001-02-16 | 2002-02-07 | 디지털 송신기 시스템 및 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6944238B2 (enExample) |
| EP (1) | EP1233507B1 (enExample) |
| JP (1) | JP4018406B2 (enExample) |
| KR (1) | KR100470255B1 (enExample) |
| CA (1) | CA2369227C (enExample) |
| DE (1) | DE60207456T2 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2390497A (en) * | 2002-07-04 | 2004-01-07 | R F Engines Ltd | Frequency band separation using complex frequency shifting converters |
| US20050175073A1 (en) * | 2002-11-01 | 2005-08-11 | Kari Pajukoski | Data transmission method and transmitter |
| KR100585933B1 (ko) * | 2003-08-20 | 2006-06-01 | 한국전자통신연구원 | 디지털 멀티미디어 방송 시스템 및 그 방법 |
| US8019015B2 (en) * | 2007-02-26 | 2011-09-13 | Harris Corporation | Linearization of RF power amplifiers using an adaptive subband predistorter |
| RU2009145693A (ru) * | 2007-05-10 | 2011-06-20 | Астриум Лимитед (Gb) | Система обработки сигналов |
| US8588327B1 (en) * | 2007-12-31 | 2013-11-19 | Apple Inc. | Digital transmitter |
| US7642850B2 (en) * | 2008-04-02 | 2010-01-05 | Harris Corporation | Feedforward linearization of RF power amplifiers |
| JP5861084B2 (ja) * | 2012-01-23 | 2016-02-16 | パナソニックIpマネジメント株式会社 | 無線回路及び照明制御システム |
| CN103974089B (zh) * | 2013-02-06 | 2017-07-28 | 北京昆腾微电子有限公司 | 无线音视频发射机及无线音视频处理方法 |
| CN110999234B (zh) * | 2017-08-10 | 2022-08-30 | 康普技术有限责任公司 | 用于数字预失真的方法和装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097249A2 (en) * | 1982-06-22 | 1984-01-04 | International Business Machines Corporation | Digital-to-analog converter |
| US4467316A (en) * | 1980-06-03 | 1984-08-21 | Licentia Patent-Verwaltungs-Gmbh | Generalized interpolative method for digital/analog conversion of PCM signals |
| EP0534255A2 (en) * | 1991-09-23 | 1993-03-31 | Hughes Aircraft Company | Multiple use digital transmitter/transceiver with time multiplexing |
| WO1995008221A1 (en) * | 1993-09-13 | 1995-03-23 | Analog Devices, Inc. | Digital to analog conversion using nonuniform sample rates |
| JPH08330968A (ja) * | 1995-01-12 | 1996-12-13 | Texas Instr Inc <Ti> | オーバーサンプリング・ディジタル/アナログ変換器及びその補償方法 |
| WO1999007093A2 (en) * | 1997-07-29 | 1999-02-11 | Italtel S.P.A. | Wireless broadband transmitter for a signal consisting of a plurality of digitally modulated carriers |
| KR200190642Y1 (ko) * | 2000-03-07 | 2000-08-01 | 엘지정보통신주식회사 | 변환기의 출력 조절 장치 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987280A (en) * | 1975-05-21 | 1976-10-19 | The United States Of America As Represented By The Secretary Of The Navy | Digital-to-bandpass converter |
| US4855894A (en) * | 1987-05-25 | 1989-08-08 | Kabushiki Kaisha Kenwood | Frequency converting apparatus |
| JPH0648767B2 (ja) * | 1989-06-08 | 1994-06-22 | 株式会社ケンウッド | ディジタル振幅変調装置 |
| US5930301A (en) | 1996-06-25 | 1999-07-27 | Harris Corporation | Up-conversion mechanism employing side lobe-selective pre-distortion filter and frequency replica-selecting bandpass filter respectively installed upstream and downstream of digital-to-analog converter |
| US5924031A (en) * | 1997-01-21 | 1999-07-13 | Hughes Electronics Corporation | Interconnective transponder systems and methods |
| US6268818B1 (en) | 1998-06-24 | 2001-07-31 | Conexant Systems, Inc. | Method and apparatus for improving modulation accuracy |
| US6507303B1 (en) * | 2000-05-31 | 2003-01-14 | 3Com Corp | Direct digital conversion of baseband signals to super-nyquist frequencies |
-
2001
- 2001-02-16 US US09/784,846 patent/US6944238B2/en not_active Expired - Lifetime
-
2002
- 2002-01-23 CA CA002369227A patent/CA2369227C/en not_active Expired - Fee Related
- 2002-01-28 EP EP02250556A patent/EP1233507B1/en not_active Expired - Lifetime
- 2002-01-28 DE DE60207456T patent/DE60207456T2/de not_active Expired - Lifetime
- 2002-02-07 KR KR10-2002-0006978A patent/KR100470255B1/ko not_active Expired - Fee Related
- 2002-02-14 JP JP2002036400A patent/JP4018406B2/ja not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467316A (en) * | 1980-06-03 | 1984-08-21 | Licentia Patent-Verwaltungs-Gmbh | Generalized interpolative method for digital/analog conversion of PCM signals |
| EP0097249A2 (en) * | 1982-06-22 | 1984-01-04 | International Business Machines Corporation | Digital-to-analog converter |
| EP0534255A2 (en) * | 1991-09-23 | 1993-03-31 | Hughes Aircraft Company | Multiple use digital transmitter/transceiver with time multiplexing |
| WO1995008221A1 (en) * | 1993-09-13 | 1995-03-23 | Analog Devices, Inc. | Digital to analog conversion using nonuniform sample rates |
| JPH08330968A (ja) * | 1995-01-12 | 1996-12-13 | Texas Instr Inc <Ti> | オーバーサンプリング・ディジタル/アナログ変換器及びその補償方法 |
| WO1999007093A2 (en) * | 1997-07-29 | 1999-02-11 | Italtel S.P.A. | Wireless broadband transmitter for a signal consisting of a plurality of digitally modulated carriers |
| KR200190642Y1 (ko) * | 2000-03-07 | 2000-08-01 | 엘지정보통신주식회사 | 변환기의 출력 조절 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2369227C (en) | 2005-03-29 |
| JP4018406B2 (ja) | 2007-12-05 |
| JP2002271212A (ja) | 2002-09-20 |
| US6944238B2 (en) | 2005-09-13 |
| EP1233507A1 (en) | 2002-08-21 |
| KR20020067625A (ko) | 2002-08-23 |
| EP1233507B1 (en) | 2005-11-23 |
| US20020114403A1 (en) | 2002-08-22 |
| DE60207456T2 (de) | 2006-08-03 |
| DE60207456D1 (de) | 2005-12-29 |
| CA2369227A1 (en) | 2002-08-16 |
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