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IEEE 1991 International Symposium on Electromagnetic Compatibility最新文献

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Furniture ESD-the forgotten parameter in ESD testing 家具防静电—在防静电测试中被遗忘的参数
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148228
J. Maas, D. Pratt, W. Boxleitner
{"title":"Furniture ESD-the forgotten parameter in ESD testing","authors":"J. Maas, D. Pratt, W. Boxleitner","doi":"10.1109/ISEMC.1991.148228","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148228","url":null,"abstract":"The furniture electrostatic discharge (ESD) model and the rationale for its use in determining the immunity of electronic equipment to ESD are explained. Comparisons to the hand/metal and body/finger ESD models are made. Some of the important characteristics of a device for simulating furniture ESD are discussed.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"31 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123261910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A user's insight into radiated emission testing with GTEM cells 用户对GTEM细胞辐射发射测试的见解
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148204
D. Weiss
{"title":"A user's insight into radiated emission testing with GTEM cells","authors":"D. Weiss","doi":"10.1109/ISEMC.1991.148204","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148204","url":null,"abstract":"The effectiveness and limitations of the GTEM cell as a tool for measuring radiated emissions from computer systems is discussed. A description of the GTEM cell, the theory, and operation are detailed. Comparison to existing tools, procurement, and GTEM methodology/procedures are discussed. GTEM versus open-air test site (OATS) test data comparisons are given, and GTEM cell error sources are detailed.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123560972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Practical statistical correlation of an RF absorber lined chamber and open area EMI test site 射频吸收器内衬室与开放区域EMI试验场的实际统计相关性
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148270
S. Roleson
{"title":"Practical statistical correlation of an RF absorber lined chamber and open area EMI test site","authors":"S. Roleson","doi":"10.1109/ISEMC.1991.148270","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148270","url":null,"abstract":"The inadequacy of deterministic methods to correlate measurements from a radio frequency (RF) semianechoic absorber lined chamber and open area test site is discussed. An alternate method for statistically estimating correlation is given, based on a large number of measurements of computing products typically tested at the facilities being correlated. Statistical correlation is shown as a chamber enhancement that increases electromagnetic interference (EMI) testing productivity.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128331689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
ESD protective I/O serpentine block design ESD保护I/O蛇形块设计
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148231
K. Soohoo, C. Wu
{"title":"ESD protective I/O serpentine block design","authors":"K. Soohoo, C. Wu","doi":"10.1109/ISEMC.1991.148231","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148231","url":null,"abstract":"A way to modify the current standard I/O interface cable mating serpentine block design to add the capability of electrostatic charge bleeding of the signal inputs is proposed. This is accomplished during the initial cable plugging period, with the use of an I/O cable presence detection switch through a series resistor to ground (or other equivalent means, such as Zener diodes). When an I/O cable is plugged into the serpentine block, any personnel or cable electrostatic discharge (ESD) across the signal conductor input pin(s) will be bled off through the ground conductor almost upon contact. Then, via the cable presence detecting mechanism (switch), the normal data path will be restored only after the electrostatic charge has been bled off. The proposed I/O connector design has the following advantages over the manual mode of a electrostatic charge removal: it provides permanent ESD protection for I/O interface cards without worry about human error, and it allows concurrent maintenance where ESD events can be one of the detrimental factors to a continuous operating system. Preliminary tests have shown that this approach meets the anticipated preventive result against ESD damages.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128561589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Replace system emission tests with unit tests 用单元测试替换系统发射测试
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148205
R. M. Showers, E. Darvin, B. Pate
{"title":"Replace system emission tests with unit tests","authors":"R. M. Showers, E. Darvin, B. Pate","doi":"10.1109/ISEMC.1991.148205","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148205","url":null,"abstract":"The relationship between cable common mode currents and corresponding radiated emission levels is examined. Through these relationships, limits on cable current can be established which would enable making tests on only the separate units, or a limited number of the separate units of a large system at a time. From the results obtained, the effective compliance of the entire system with radiation requirements is determined.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127152245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The education and training of cadets and marine radioengineers on EMC at the Leningrad State Maritime Academy (USSR) 列宁格勒国家海事学院(苏联)对学员和海上无线电工程师进行电磁兼容教育和培训
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148247
A.A. Iljin, S. Mikhailova, K.K. Venskauskas
{"title":"The education and training of cadets and marine radioengineers on EMC at the Leningrad State Maritime Academy (USSR)","authors":"A.A. Iljin, S. Mikhailova, K.K. Venskauskas","doi":"10.1109/ISEMC.1991.148247","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148247","url":null,"abstract":"A short description of the education and training of cadets and marine radioengineers in electromagnetic compatibility (EMC) at the Leningrad State Maritime Academy (LSMA) is given. The points of education in EMC at LSMA are mentioned. The different courses used to study the EMC discipline and to solve the EMC problems on ships are briefly described.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127169785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An electromagnetic immunity diagnostic tool for electronic circuits 电子电路电磁抗扰度诊断工具
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148255
J. Muccioli, T. M. North
{"title":"An electromagnetic immunity diagnostic tool for electronic circuits","authors":"J. Muccioli, T. M. North","doi":"10.1109/ISEMC.1991.148255","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148255","url":null,"abstract":"The electromagnetic immunity of electronic circuits is a significant concern for automotive electronic designers. Many papers have been written concerning the electromagnetic susceptibility (EMS) of electronic modules. However, very little has been written on EMC diagnostic tools and techniques to pinpoint the specific susceptibility problems or immunity levels of electronic circuits. This study discusses in detail the use of direct RF power injection as an EMC diagnostic tool over the frequency range of 500 kHz to 500 MHz. This technique offers advantages of improved repeatability and correlation with vehicle results over other methods currently in use. The methodology of direct RF power injection is detailed so other EMC engineers may benefit from this development.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126485414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Protecting VHF antennas from EMP 保护VHF天线免受电磁脉冲影响
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148241
S. Sebastiani
{"title":"Protecting VHF antennas from EMP","authors":"S. Sebastiani","doi":"10.1109/ISEMC.1991.148241","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148241","url":null,"abstract":"Electromagnetic pulse (EMP) protection of VHF radio equipment must offer a low shunt path in the frequency range of the EMP discharge, while being transparent at the radio frequency (RF) operating frequencies. The EMP protection offered by a hybrid circuit in VHF range (30 to 90 MHz) is examined. The protection resulting from the application of this type of circuitry, composed of a gas-filled surge arrester, transzorb, and a compensation network, is compared with other classic protection circuits.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121682347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Surge current and voltage distribution in a reinforced concrete building caused by direct lightning stroke 钢筋混凝土建筑物中直击雷击引起的浪涌电流和电压分布
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148189
S. Kuramoto, M. Sato, M. Ohta
{"title":"Surge current and voltage distribution in a reinforced concrete building caused by direct lightning stroke","authors":"S. Kuramoto, M. Sato, M. Ohta","doi":"10.1109/ISEMC.1991.148189","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148189","url":null,"abstract":"The distribution of direct lightning throughout a telecommunication building, a three-storey reinforced concrete building, is investigated experimentally. Surge current fed into the building primarily flows through the outside pillars and walls. The voltage waveform obtained between floor and ceiling is the differential of the pillar current. Horizontal magnetic field strength becomes more than 0.1 A/m, even at the center of the room. The experimental results agree with the calculated results of the ordinary wire frame model.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121845183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Effect of grid spacing on the inductance of ground grids 栅极间距对接地网电感的影响
IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI: 10.1109/ISEMC.1991.148187
T. S. Smith, C. R. Paul
{"title":"Effect of grid spacing on the inductance of ground grids","authors":"T. S. Smith, C. R. Paul","doi":"10.1109/ISEMC.1991.148187","DOIUrl":"https://doi.org/10.1109/ISEMC.1991.148187","url":null,"abstract":"The effect of grid spacing on the inductances of various paths on a printed circuit board (PCB) is investigated numerically. Partial inductances of the various segments of the paths and the ground grid are incorporated into a lumped model which is solved for the currents using the mesh current method. The results show the importance of maintaining closely spaced conductors in the grid.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114303221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
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