JPWO2008053555A1 - 高速アナログ信号の入力保護回路及び飛行時間型質量分析装置 - Google Patents
高速アナログ信号の入力保護回路及び飛行時間型質量分析装置 Download PDFInfo
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- JPWO2008053555A1 JPWO2008053555A1 JP2008541967A JP2008541967A JPWO2008053555A1 JP WO2008053555 A1 JPWO2008053555 A1 JP WO2008053555A1 JP 2008541967 A JP2008541967 A JP 2008541967A JP 2008541967 A JP2008541967 A JP 2008541967A JP WO2008053555 A1 JPWO2008053555 A1 JP WO2008053555A1
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- resistor
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- 239000004065 semiconductor Substances 0.000 claims abstract description 29
- 229920000642 polymer Polymers 0.000 claims abstract description 25
- 150000002500 ions Chemical class 0.000 description 13
- 238000005259 measurement Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/40—Time-of-flight spectrometers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Semiconductor Integrated Circuits (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
12...入力回路
13...半導体ESD保護素子
14...入力抵抗
31...入力コネクタ
32...入力回路
34...入力抵抗
35...ポリマーESD保護素子
36...高インピーダンス素子
41...入力コネクタ
42...入力回路
43...半導体ESD保護素子
44...入力抵抗
45...ポリマーESD保護素子
47...抵抗
61...イオン発生器
62...イオン検出器
63...入力保護回路
64...波形記録回路
65...データ処理装置
66...制御回路
図4は、高速アナログ信号の入力保護回路の一例である。入力コネクタ41から入力回路42に至るアナログ信号の経路には、抵抗47が挿入される。この抵抗47より入力コネクタ41側の信号経路とグランドとの間には、ポリマーESD保護素子45が接続される。抵抗47より入力回路42の側の信号経路と電源ライン+VCL及び電源ライン−VCLとの間には半導体ESD保護素子43が接続される。入力回路42の入力抵抗44の抵抗値と抵抗47の抵抗値の和は、高速アナログ信号入力の特性インピーダンスと等しくする。
Claims (3)
- 入力コネクタから入力回路に至る信号経路の途中に抵抗が接続され、
前記抵抗より前記入力コネクタの側の信号経路とグランドとの間にはポリマーESD保護素子が接続され、
前記抵抗より前記入力回路の側の信号経路と電源もしくはグランドとの間には半導体ESD保護素子が接続され、
前記入力回路の入力抵抗の抵抗値と前記抵抗の抵抗値の和を高速アナログ信号入力の特性インピーダンスと等しくする、ことを特徴とする高速アナログ信号の入力保護回路。 - 請求項1に記載の高速アナログ信号の入力保護回路において、
前記抵抗は、耐パルス用抵抗あるいは耐サージ用抵抗である
ことを特徴とする高速アナログ信号の入力保護回路。 - イオン検出器と、前記イオン検出器から発生するアナログ信号を収集する波形記録器を備える飛行時間型質量分析装置において、前記イオン検出器と前記波形記録器の間に請求項1から2いずれか1項に記載の高速アナログ信号の入力保護回路を備える
ことを特徴とする飛行時間型質量分析装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/321947 WO2008053555A1 (fr) | 2006-11-02 | 2006-11-02 | Circuit de protection d'entrée de signal analogique haut-débit et spectromètre de masse de temps de vol |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008053555A1 true JPWO2008053555A1 (ja) | 2010-02-25 |
JP4692633B2 JP4692633B2 (ja) | 2011-06-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008541967A Active JP4692633B2 (ja) | 2006-11-02 | 2006-11-02 | 高速アナログ信号の入力保護回路及び飛行時間型質量分析装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10083826B2 (ja) |
JP (1) | JP4692633B2 (ja) |
WO (1) | WO2008053555A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5356418B2 (ja) * | 2009-01-29 | 2013-12-04 | パナソニック株式会社 | 差動伝送回路及びそれを備えた電子機器 |
LU91873B1 (en) * | 2011-09-21 | 2013-03-22 | Iee Sarl | Combined heating and capacitive seat occupant sensing system |
JP2013182400A (ja) * | 2012-03-01 | 2013-09-12 | Nec Computertechno Ltd | Usbノイズ改善器 |
JP6250725B2 (ja) * | 2016-03-24 | 2017-12-20 | アンリツ株式会社 | Esd保護回路およびesd保護方法 |
EP3933603B1 (en) * | 2020-07-02 | 2024-08-28 | Infineon Technologies AG | An electrostatic discharge, esd, protection device for a universal serial bus, usb, interface |
Citations (12)
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JPH01141360A (ja) * | 1987-11-27 | 1989-06-02 | Sumitomo Electric Ind Ltd | 光ファイバを用いた波形観測装置 |
JPH0277922U (ja) * | 1988-11-30 | 1990-06-14 | ||
JPH11317113A (ja) * | 1998-01-16 | 1999-11-16 | Littelfuse Inc | 静電放電保護用のポリマ―複合材料 |
JP2000277702A (ja) * | 1999-03-25 | 2000-10-06 | Rohm Co Ltd | 半導体集積回路装置 |
JP2001148460A (ja) * | 1999-05-11 | 2001-05-29 | Nec Corp | 入力保護回路 |
JP2001156181A (ja) * | 1999-11-25 | 2001-06-08 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP2001267496A (ja) * | 2000-03-17 | 2001-09-28 | Ricoh Co Ltd | 入力保護回路を備えた半導体装置 |
JP2003133422A (ja) * | 2001-10-23 | 2003-05-09 | Yamaha Corp | 入力保護回路 |
JP2004071681A (ja) * | 2002-08-02 | 2004-03-04 | Nec Electronics Corp | 入力保護回路 |
JP2004319846A (ja) * | 2003-04-17 | 2004-11-11 | Toshiba Corp | 入力保護回路 |
JP2006032207A (ja) * | 2004-07-20 | 2006-02-02 | Shimadzu Corp | 飛行時間分析装置 |
JP2006237651A (ja) * | 2006-06-09 | 2006-09-07 | Renesas Technology Corp | 半導体装置および入力保護回路 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4528546A (en) * | 1983-05-02 | 1985-07-09 | National Semiconductor Corporation | High power thick film |
US4977357A (en) * | 1988-01-11 | 1990-12-11 | Shrier Karen P | Overvoltage protection device and material |
US5500546A (en) * | 1994-09-16 | 1996-03-19 | Texas Instruments Incorporated | ESD protection circuits using Zener diodes |
US6282075B1 (en) * | 1999-03-10 | 2001-08-28 | Tii Industries, Inc. | Surge suppressor with virtual ground |
US6747271B2 (en) * | 2001-12-19 | 2004-06-08 | Ionwerks | Multi-anode detector with increased dynamic range for time-of-flight mass spectrometers with counting data acquisition |
US6934136B2 (en) * | 2002-04-24 | 2005-08-23 | Texas Instrument Incorporated | ESD protection of noise decoupling capacitors |
US7285846B1 (en) * | 2005-02-22 | 2007-10-23 | Littelfuse, Inc. | Integrated circuit package with ESD protection |
-
2006
- 2006-11-02 JP JP2008541967A patent/JP4692633B2/ja active Active
- 2006-11-02 WO PCT/JP2006/321947 patent/WO2008053555A1/ja active Application Filing
- 2006-11-02 US US12/445,187 patent/US10083826B2/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01141360A (ja) * | 1987-11-27 | 1989-06-02 | Sumitomo Electric Ind Ltd | 光ファイバを用いた波形観測装置 |
JPH0277922U (ja) * | 1988-11-30 | 1990-06-14 | ||
JPH11317113A (ja) * | 1998-01-16 | 1999-11-16 | Littelfuse Inc | 静電放電保護用のポリマ―複合材料 |
JP2000277702A (ja) * | 1999-03-25 | 2000-10-06 | Rohm Co Ltd | 半導体集積回路装置 |
JP2001148460A (ja) * | 1999-05-11 | 2001-05-29 | Nec Corp | 入力保護回路 |
JP2001156181A (ja) * | 1999-11-25 | 2001-06-08 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP2001267496A (ja) * | 2000-03-17 | 2001-09-28 | Ricoh Co Ltd | 入力保護回路を備えた半導体装置 |
JP2003133422A (ja) * | 2001-10-23 | 2003-05-09 | Yamaha Corp | 入力保護回路 |
JP2004071681A (ja) * | 2002-08-02 | 2004-03-04 | Nec Electronics Corp | 入力保護回路 |
JP2004319846A (ja) * | 2003-04-17 | 2004-11-11 | Toshiba Corp | 入力保護回路 |
JP2006032207A (ja) * | 2004-07-20 | 2006-02-02 | Shimadzu Corp | 飛行時間分析装置 |
JP2006237651A (ja) * | 2006-06-09 | 2006-09-07 | Renesas Technology Corp | 半導体装置および入力保護回路 |
Non-Patent Citations (1)
Title |
---|
JPN6011002584, M. −D. Ker, W. −Y. Lo, C. −M. Lee, C. −P. Chen, and H. −S. Kao, "ESD Protection Design for 900−MHz RF Receiver with 8−kV HBM ESD Robustness", 2002 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, 20010604, p. 427−430, US * |
Also Published As
Publication number | Publication date |
---|---|
WO2008053555A1 (fr) | 2008-05-08 |
US10083826B2 (en) | 2018-09-25 |
JP4692633B2 (ja) | 2011-06-01 |
US20100084551A1 (en) | 2010-04-08 |
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