JP5604702B2 - バンドパスデジタル/アナログ変換器のための方法および装置 - Google Patents
バンドパスデジタル/アナログ変換器のための方法および装置 Download PDFInfo
- Publication number
- JP5604702B2 JP5604702B2 JP2012532125A JP2012532125A JP5604702B2 JP 5604702 B2 JP5604702 B2 JP 5604702B2 JP 2012532125 A JP2012532125 A JP 2012532125A JP 2012532125 A JP2012532125 A JP 2012532125A JP 5604702 B2 JP5604702 B2 JP 5604702B2
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- JP
- Japan
- Prior art keywords
- signal
- sample
- dac
- output
- clock signal
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0614—Continuously compensating for, or preventing, undesired influence of physical parameters of harmonic distortion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/742—Simultaneous conversion using current sources as quantisation value generators
- H03M1/747—Simultaneous conversion using current sources as quantisation value generators with equal currents which are switched by unary decoded digital signals
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
- H04B17/19—Self-testing arrangements
-
- 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
-
- 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
- H04L27/38—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
Claims (6)
- 全円NアレイDACシステムであって、
a)複数のチャンネルであって、
i)サンプル入力、クロック入力および出力を有するDACであって、前記サンプル入力においてサンプルストリームを受信し、前記クロック入力においてサンプルクロック周波数fsを有するサンプルクロック信号を受信し、前記ストリームのサンプルのタイミングと、前記サンプルクロック信号のタイミングとは同時である、DACと、
ii)信号入力、LO入力および出力を有するアップコンバータと、
を有する複数のチャンネル、
を含み、
(1)チャンネル数はNに等しく、(2)各チャンネルおよび前記関連付けられたDACおよびアップコンバータには番号iが付加され、ここで、iはゼロ〜N−1の整数値であり、(3)前記複数のDACにはそれぞれサンプルストリームが提供され、各サンプルストリームは、PSTによって位相θ°=−i360/Nを用いて変換され、各サンプルストリームのサンプル時間はτi=iTs/N遅延され、ここでTs=1/fsであり、各サンプルクロック信号はτi遅延され、各アップコンバータは前記LO入力においてLO信号を受信し、前記LO信号は、周波数fsを有し、τi遅延される、
全円NアレイDACシステム。 - 各チャンネルの前記出力を加算する加算器をさらに含む、請求項1に記載の全円NアレイDACシステム。
- 前記LO信号は、−iTs/N遅延される、請求項1に記載の全円NアレイDACシステム。
- 前記サンプルストリームを変換するために前記PSTにおいて用いられる角度はi360/Nである、請求項1に記載の全円NアレイDACシステム。
- 前記サンプルクロック信号の前記遅延τiは−iTs/Nであり、前記サンプルストリームの各サンプルの前記サンプル時間はτi遅延される、請求項1に記載の全円NアレイDACシステム。
- 半円NアレイDACシステムであって、
a)複数のチャンネルであって、
i)サンプル入力、クロック入力および出力を有するDACであって、前記サンプル入力においてサンプルストリームを受信し、前記クロック入力においてサンプルクロック周波数fsを有するサンプルクロック信号を受信し、前記ストリームの前記サンプルのタイミングと、前記サンプルクロック信号のタイミングとは同時である、DACと、
ii)信号入力、LO入力および出力を有するアップコンバータと、
を有する複数のチャンネル、
を含み、
(1)チャンネル数はNに等しく、(2)各チャンネルおよび前記関連付けられたDACおよびアップコンバータには番号iが付加され、ここで、iはゼロ〜N−1の整数値であり、(3)前記複数のDACにはそれぞれサンプルストリームが提供され、各サンプルストリームは、PSTによって位相θ°=−i180/Nを用いて変換され、各サンプルストリームのサンプル時間はτi=iTs/2N遅延され、ここでTs=1/fsであり、各サンプルクロック信号はτi遅延され、各アップコンバータは前記LO入力においてLO信号を受信し、前記LO信号は、周波数fsを有し、τi遅延される、
半円NアレイDACシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/571,201 | 2009-09-30 | ||
US12/571,201 US8237595B2 (en) | 2009-09-30 | 2009-09-30 | Method and apparatus for bandpass digital to analog converter |
PCT/US2010/049495 WO2011041155A1 (en) | 2009-09-30 | 2010-09-20 | Method and apparatus for bandpass digital to analog converter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013507043A JP2013507043A (ja) | 2013-02-28 |
JP5604702B2 true JP5604702B2 (ja) | 2014-10-15 |
Family
ID=43780387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012532125A Expired - Fee Related JP5604702B2 (ja) | 2009-09-30 | 2010-09-20 | バンドパスデジタル/アナログ変換器のための方法および装置 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8237595B2 (ja) |
EP (1) | EP2484015A4 (ja) |
JP (1) | JP5604702B2 (ja) |
CN (1) | CN102549928B (ja) |
MX (1) | MX2012003607A (ja) |
WO (1) | WO2011041155A1 (ja) |
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US8604959B2 (en) * | 2012-02-14 | 2013-12-10 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-phased digital-to-analog converters for interpolation |
US8520968B1 (en) * | 2012-02-23 | 2013-08-27 | Telefonaktiebolaget L M Ericsson (Publ) | Communication signal image suppression for multi-frequency operation |
US8964881B2 (en) * | 2012-08-16 | 2015-02-24 | Massachusetts Institute Of Technology | Method and apparatus for high efficiency, high dynamic range digital RF power amplification |
US8803720B2 (en) * | 2012-12-12 | 2014-08-12 | Intel Mobile Communications GmbH | RF-DAC cell and method for providing an RF output signal |
US20160294591A1 (en) * | 2015-03-31 | 2016-10-06 | Alcatel-Lucent Usa Inc. | Multichannel receiver |
US8791849B1 (en) * | 2013-03-14 | 2014-07-29 | Raytheon Company | Digital clock update methodology for multi-Nyquist constructive interference to boost signal power in radio frequency transmission |
US8981982B2 (en) * | 2013-04-05 | 2015-03-17 | Maxlinear, Inc. | Multi-zone data converters |
US9088298B2 (en) * | 2013-05-02 | 2015-07-21 | Skyworks Solutions, Inc. | Mixed mode time interleaved digital-to-analog converter for radio-frequency applications |
US9529763B2 (en) | 2013-07-02 | 2016-12-27 | Infineon Technologies Ag | Sensor systems and methods utilizing adaptively selected carrier frequencies |
US9571315B2 (en) * | 2013-09-10 | 2017-02-14 | Infineon Technologies Ag | Sensor systems and methods utilizing band pass filter tuning |
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CN107026650B (zh) * | 2016-01-29 | 2020-10-09 | 华为技术有限公司 | 一种模拟低通滤波器、模拟信息转换器以及滤波方法 |
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US10439631B1 (en) * | 2018-12-27 | 2019-10-08 | Texas Instruments Incorporated | Radio-frequency digital-to-analog converter system |
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2009
- 2009-09-30 US US12/571,201 patent/US8237595B2/en active Active
-
2010
- 2010-09-20 WO PCT/US2010/049495 patent/WO2011041155A1/en active Application Filing
- 2010-09-20 EP EP10821041.0A patent/EP2484015A4/en not_active Withdrawn
- 2010-09-20 JP JP2012532125A patent/JP5604702B2/ja not_active Expired - Fee Related
- 2010-09-20 CN CN201080043859.0A patent/CN102549928B/zh not_active Expired - Fee Related
- 2010-09-20 MX MX2012003607A patent/MX2012003607A/es active IP Right Grant
-
2012
- 2012-07-24 US US13/557,067 patent/US8981980B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8981980B2 (en) | 2015-03-17 |
US20120300823A1 (en) | 2012-11-29 |
EP2484015A4 (en) | 2013-10-30 |
WO2011041155A1 (en) | 2011-04-07 |
US20110075780A1 (en) | 2011-03-31 |
EP2484015A1 (en) | 2012-08-08 |
MX2012003607A (es) | 2012-04-19 |
CN102549928B (zh) | 2015-05-27 |
US8237595B2 (en) | 2012-08-07 |
JP2013507043A (ja) | 2013-02-28 |
CN102549928A (zh) | 2012-07-04 |
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