CN1419742A - 脉宽调制信号的产生方法和设备以及由脉宽调制信号控制的光学衰减器 - Google Patents
脉宽调制信号的产生方法和设备以及由脉宽调制信号控制的光学衰减器 Download PDFInfo
- Publication number
- CN1419742A CN1419742A CN01807041.8A CN01807041A CN1419742A CN 1419742 A CN1419742 A CN 1419742A CN 01807041 A CN01807041 A CN 01807041A CN 1419742 A CN1419742 A CN 1419742A
- Authority
- CN
- China
- Prior art keywords
- frame
- attenuator
- pulse
- signal
- pwm
- 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.)
- Granted
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0147—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on thermo-optic effects
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/48—Variable attenuator
Abstract
Description
注释 | TECA | TECB | D1 | D2 | D3 | D4 |
关断 | 逻辑状态0 | 逻辑状态0 | L | L | L | L |
制冷 | 逻辑状态0 | 逻辑状态1 | H | L | L | H |
加热 | 逻辑状态1 | 逻辑状态0 | L | H | H | L |
禁止 | 逻辑状态1 | 逻辑状态1 | - | - | - | - |
最高有效位 | 最低有效位 | |||||||||||||
Bit14 | bit13 | bit12 | bit11 | bit10 | bit9 | bit8 | bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 |
位 | 在每一个帧中关联一个或者更多脉冲使其N值递增 |
bit0 | W127 |
bit1 | W31,W95 |
bit2 | W15,W47,W79,W111 |
bit3 | W7,W23,W39,W55,W71,W87,W103 |
bit4 | W3,W11,W19,W27,W35,W43,W51,W59,W67,W75,W83,W91,W99,W107,W115,W123 |
bit5 | W1,W5,W9,W13,W17,W21,W25,W29,W33,W37,W41,W45,W49,W53,W57,W61,W65,W69,W73,W77,W81,W85,W89,W93,W97,W101,W105,W109,W113,W117,W121,W125 |
bit6 | W0,W2,W4,W6,W8,W10,W12,W14,W16,W18,W20,W20,W24,W26,W28,W30,W32,W34,W36,W38,W40,W42,W44,W46,W48,W50,W52,W54,W56,W58,W60,W62,W64,W66,W68,W70,W72,W74,W76,W78,W80,W82,W84,W86,W88,W90, W92,W94,W96,W98,W100,W102,W104,W106,W108,W110,W112,W114,W116,W118,W120,W122,W124,W126 |
脉冲 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit1 | Bit0 | 脉冲 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit1 | Bit0 |
W0 | 1 | W65 | 1 | ||||||||||||
W1 | 1 | W66 | 1 | ||||||||||||
W2 | 1 | W67 | 1 | ||||||||||||
W3 | 1 | W68 | 1 | ||||||||||||
W4 | 1 | W69 | 1 | ||||||||||||
W5 | 1 | W70 | 1 | ||||||||||||
W6 | 1 | W71 | 1 | ||||||||||||
W7 | 1 | W72 | 1 | ||||||||||||
W8 | 1 | W74 | 1 | ||||||||||||
W9 | 1 | W75 | 1 | ||||||||||||
W10 | 1 | W75 | 1 | ||||||||||||
W11 | 1 | W76 | 1 | ||||||||||||
W12 | 1 | W77 | 1 | ||||||||||||
W13 | 1 | W78 | 1 | ||||||||||||
W14 | 1 | W79 | 1 | ||||||||||||
W15 | 1 | W80 | 1 | ||||||||||||
W16 | 1 | W81 | 1 |
归一化频率 | 第一方法 | 根据本发明的第二种方法 | ||
dB | 绝对值 | dB | 绝对值 | |
0 | -5.990 | 0.50171 | -5.990 | 0.50171 |
1 | -57.89 | 0.00127 | -72.25 | 0.00024 |
2 | -72.25 | 0.00024 | -72.25 | 0.00024 |
3 | -65.97 | 0.00050 | -72.25 | 0.00024 |
4 | -72.25 | 0.00024 | -72.25 | 0.00024 |
5 | -68.36 | 0.00038 | -72.25 | 0.00024 |
6 | -72.25 | 0.00024 | -72.25 | 0.00024 |
7 | -69.15 | 0.00035 | -72.25 | 0.00024 |
8 | -72.25 | 0.00024 | -54.12 | 0.00197 |
9 | -69.15 | 0.00035 | -72.25 | 0.00024 |
10 | -72.25 | 0.00024 | -72.25 | 0.00024 |
11 | -68.36 | 0.00038 | -72.25 | 0.00024 |
12 | -72.25 | 0.00024 | -72.25 | 0.00024 |
13 | -65.97 | 0.00050 | -72.25 | 0.00024 |
14 | -72.25 | 0.00024 | -72.25 | 0.00024 |
15 | -57.89 | 0.00127 | -72.25 | 0.00024 |
16 | -9.940 | 0.31830 | -9.940 | 0.31830 |
帧的编号,每一个帧具有其递增1个计数的n1值 | 在有待递增的多帧中的具体帧 |
1 | 64 |
2 | 32,64 |
3 | 21,43,64 |
4 | 16,32,48,64 |
5 | 13,26,38,51,64 |
6 | 11,21,32,43,53,64 |
7 | 9,18,27,37,48,55,64 |
8 | 8,16,24,32,40,48,56,64 |
9 | 7,14,21,28,36,43,50,59,64 |
10 | 6,13,19,26,32,38,45,51,58,64 |
11 | 5,12,17,23,29,35,41,47,52,58,64 |
12 | 5,11,16,21,27,32,37,43,48,53,59,64 |
13 | 5,10,15,20,25,30,34,39,44,49,54,59,64 |
14 | 5,9,14,18,23,27,32,37,41,46,50,55,59,64 |
15 | 4,9,13,17,21,26,30,34,38,43,50,51,55,60,64 |
16 | 4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64 |
17 | 4,8,11,15,19,23,26,30,34,38,41,45,49,53,56,60,64 |
18 | 4,7,11,14,18,21,25,28,32,36,39,43,46,50,53,57,60,64 |
19 | 3,7,10,13,17,20,24,27,30,37,37,40,44,47,51,54,57,61,64 |
20 | 3,6,10,13,16,19,22,26,29,32,35,38,42,45,48,51,54,58,61,64 |
21 | 3,6,9,12,15,18,21,24,27,30,34,37,40,43,46,49,52,55,58,61,64 |
22 | 3,6,9,12,15,17,20,23,26,29,32,35,38,41,44,47,49,52,55,58,61,64 |
23 | 3,6,8,11,14,17,19,22,25,28,31,33,36,39,42,45,47,50,53,56,58,61,64 |
24 | 3,5,8,11,13,16,19,21,24,27,29,32,35,37,40,43,45,48,51,53,56,59,61,64 |
25 | 3,5,8,10,13,15,18,20,23,26,28,31,33,36,38,41,44,46,49,51,54,56,59,61,64 |
26 | 2,5,7,10,12,15,17,20,22,25,27,30,32,34,37,39,42,44,47,49,52,54,57,59,62,64 |
等等等同地分布到 | |
58 | 1,2,3,4,6,7,8,9,10,11,12,13,14,15,17,18,19,20,21,22,23,24,25,26,28,29,30,31,32,33,34,35,36,38,39,40,41,42,43,44,45,46,47,49,50,51,52,54,55,56,57,58,59,60,61,62,63,64 |
59 | 1,2,3,4,5,7,8,9,10,11,12,13,14,15,16,17,18,20,21,22,23,24,25,26,27,28,29,30,31,33,34,35,36,37,38,39,40,41,42,43,44,46,47,48,49,50,51,52,53,54,55,56,57,59,60,61,62,63,64 |
60 | 1,2,3,4,5,6,7,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,57,58,59,60,61,62,63,64 |
61 | 1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,54,55,56,57,58,59,60,61,62,63,64 |
62 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64 |
63 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64 |
64 | 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64 |
Claims (25)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0006938A GB2360601B (en) | 2000-03-23 | 2000-03-23 | Enhanced resolution attenuator |
GB0006938.5 | 2000-03-23 | ||
GB0027390.4 | 2000-11-09 | ||
GB0027390A GB2368986B (en) | 2000-11-09 | 2000-11-09 | Pulse width modulation method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101284541A Division CN101311775B (zh) | 2000-03-23 | 2001-03-23 | 光学衰减器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1419742A true CN1419742A (zh) | 2003-05-21 |
CN100417020C CN100417020C (zh) | 2008-09-03 |
Family
ID=26243935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018070418A Expired - Fee Related CN100417020C (zh) | 2000-03-23 | 2001-03-23 | 脉宽调制信号的产生方法和设备以及由脉宽调制信号控制的光学衰减器 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6747778B2 (zh) |
EP (2) | EP1978640A3 (zh) |
JP (1) | JP2003528524A (zh) |
CN (1) | CN100417020C (zh) |
AU (1) | AU2001242576A1 (zh) |
DE (1) | DE60135734D1 (zh) |
WO (1) | WO2001071914A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1310427C (zh) * | 2004-02-25 | 2007-04-11 | 凌阳科技股份有限公司 | 脉波宽度调变电路与方法 |
CN101496280B (zh) * | 2006-02-22 | 2012-01-11 | 爱萨有限公司 | 自校准数字脉宽调制器(dpwm) |
CN101785186B (zh) * | 2007-10-25 | 2012-12-12 | 住友电装株式会社 | Pwm控制方法和装置以及调光装置 |
CN103036540A (zh) * | 2011-09-30 | 2013-04-10 | 北大方正集团有限公司 | 用于功率控制的脉宽调制方法和装置 |
CN103630756A (zh) * | 2013-12-09 | 2014-03-12 | 北京无线电计量测试研究所 | 一种大功率微波脉冲信号的校准方法 |
WO2019033306A1 (zh) * | 2017-08-16 | 2019-02-21 | 西门子公司 | 一种脉冲宽度调制信号的动态调整方法和装置 |
Families Citing this family (9)
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AU2001242576A1 (en) * | 2000-03-23 | 2001-10-03 | Marconi Communications Limited | Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal |
GB0130214D0 (en) * | 2001-12-18 | 2002-02-06 | Cit Alcatel | Supervisory signalling for optical communications equipment |
JP4593073B2 (ja) * | 2002-12-26 | 2010-12-08 | 株式会社半導体エネルギー研究所 | レーザ照射装置 |
US7433606B2 (en) * | 2004-06-28 | 2008-10-07 | Jds Uniphase Corporation | Photodiode bias controller for optical receiver |
US7230837B1 (en) * | 2006-03-27 | 2007-06-12 | North Carolina State University | Method and circuit for cascaded pulse width modulation |
CA2838199C (en) * | 2011-06-07 | 2015-10-13 | B/E Aerospace, Inc. | Thermoelectric cooling system for a food and beverage compartment |
CN102913428A (zh) * | 2011-08-01 | 2013-02-06 | 鸿富锦精密工业(深圳)有限公司 | 风扇模组测试系统 |
JP2016192882A (ja) * | 2015-03-31 | 2016-11-10 | 株式会社ジェイテクト | モータ制御装置 |
CN114584223B (zh) * | 2022-03-15 | 2023-07-21 | 中山大学 | 一种面向马赫-曾德尔干涉仪的脉冲宽度调制系统及方法 |
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AU2001242576A1 (en) * | 2000-03-23 | 2001-10-03 | Marconi Communications Limited | Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal |
GB2360602B (en) * | 2000-03-23 | 2002-05-01 | Marconi Comm Ltd | Optical attenuator including dual control loops |
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-
2001
- 2001-03-23 AU AU2001242576A patent/AU2001242576A1/en not_active Abandoned
- 2001-03-23 CN CNB018070418A patent/CN100417020C/zh not_active Expired - Fee Related
- 2001-03-23 EP EP08158701A patent/EP1978640A3/en not_active Ceased
- 2001-03-23 JP JP2001569971A patent/JP2003528524A/ja active Pending
- 2001-03-23 WO PCT/GB2001/001309 patent/WO2001071914A1/en active IP Right Grant
- 2001-03-23 DE DE60135734T patent/DE60135734D1/de not_active Expired - Lifetime
- 2001-03-23 US US10/239,382 patent/US6747778B2/en not_active Expired - Lifetime
- 2001-03-23 EP EP01915485A patent/EP1269628B1/en not_active Expired - Lifetime
-
2004
- 2004-01-26 US US10/764,732 patent/US6934458B2/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1310427C (zh) * | 2004-02-25 | 2007-04-11 | 凌阳科技股份有限公司 | 脉波宽度调变电路与方法 |
CN101496280B (zh) * | 2006-02-22 | 2012-01-11 | 爱萨有限公司 | 自校准数字脉宽调制器(dpwm) |
CN101785186B (zh) * | 2007-10-25 | 2012-12-12 | 住友电装株式会社 | Pwm控制方法和装置以及调光装置 |
CN103036540A (zh) * | 2011-09-30 | 2013-04-10 | 北大方正集团有限公司 | 用于功率控制的脉宽调制方法和装置 |
CN103036540B (zh) * | 2011-09-30 | 2015-05-20 | 北大方正集团有限公司 | 用于功率控制的脉宽调制方法和装置 |
CN103630756A (zh) * | 2013-12-09 | 2014-03-12 | 北京无线电计量测试研究所 | 一种大功率微波脉冲信号的校准方法 |
CN103630756B (zh) * | 2013-12-09 | 2016-08-17 | 北京无线电计量测试研究所 | 一种大功率微波脉冲信号的校准方法 |
WO2019033306A1 (zh) * | 2017-08-16 | 2019-02-21 | 西门子公司 | 一种脉冲宽度调制信号的动态调整方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
US6747778B2 (en) | 2004-06-08 |
JP2003528524A (ja) | 2003-09-24 |
DE60135734D1 (de) | 2008-10-23 |
EP1978640A2 (en) | 2008-10-08 |
US20040156642A1 (en) | 2004-08-12 |
AU2001242576A1 (en) | 2001-10-03 |
EP1978640A3 (en) | 2008-10-22 |
WO2001071914A1 (en) | 2001-09-27 |
EP1269628B1 (en) | 2008-09-10 |
US20030161639A1 (en) | 2003-08-28 |
CN100417020C (zh) | 2008-09-03 |
EP1269628A1 (en) | 2003-01-02 |
US6934458B2 (en) | 2005-08-23 |
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