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1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest最新文献

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Distortion properties of gallium arsenide and silicon RF and microwave switches 砷化镓和硅射频和微波开关的畸变特性
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595132
R. Caverly
{"title":"Distortion properties of gallium arsenide and silicon RF and microwave switches","authors":"R. Caverly","doi":"10.1109/MTTTWA.1997.595132","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595132","url":null,"abstract":"An important parameter for RF and microwave system design is the prediction of distortion produced by system components. This paper presents the results of a study on the distortion produced by GaAs and Si RF and microwave switches. The results presented will provide RF and microwave circuit designers with information needed to help decide which switch to use for a specific switching application.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126084018","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
Investigation of current crowding effect on spiral inductors 螺旋电感电流拥挤效应的研究
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595129
Huan-Shang Tsai, Jenshan Lin, R. Frye, K. Tai, M. Lau, D. Kossives, F. Hrycenko, Young-Kai Chen
{"title":"Investigation of current crowding effect on spiral inductors","authors":"Huan-Shang Tsai, Jenshan Lin, R. Frye, K. Tai, M. Lau, D. Kossives, F. Hrycenko, Young-Kai Chen","doi":"10.1109/MTTTWA.1997.595129","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595129","url":null,"abstract":"High-Q inductors are the important elements for RF circuit design, especially in the cellular and PCS bands, where they are difficult to be realized. We discuss and explain the current crowding effect, which degrades the Q of the spiral inductor, as the number of turns increases. Both the method of moment (MOM) and the finite-difference time-domain (FDTD) technique are applied to this analysis.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114444157","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: 39
Design and analysis of antenna array for personal handy phone use 个人手持电话天线阵列的设计与分析
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595120
M. Leong, P. Kooi, Ye Ka
{"title":"Design and analysis of antenna array for personal handy phone use","authors":"M. Leong, P. Kooi, Ye Ka","doi":"10.1109/MTTTWA.1997.595120","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595120","url":null,"abstract":"A new type of antenna array for the personal handy phone has been designed and analyzed using the NEC code. This array developed for PCS/PCN applications (1.8/1.9 GHz) can also be used for the GSM band (890-960 MHz). It can provide a high gain and the various properties required for the personal handy phone at different frequency ranges. The effects of the human body on the characteristics of this antenna array are relatively small.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124134554","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
Dual band cellular antenna 双频蜂窝天线
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595119
M. Bodley, M. Sarcione, F. Beltrán, M. Russell
{"title":"Dual band cellular antenna","authors":"M. Bodley, M. Sarcione, F. Beltrán, M. Russell","doi":"10.1109/MTTTWA.1997.595119","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595119","url":null,"abstract":"Several cellular provider companies have indicated significant interest in a single antenna assembly which could cover both cellular (UHF) and PCS1900 (L-band) frequency bands. A simple, low cost microstrip antenna solution has been developed, demonstrated and the results are presented.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125694092","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
Analysis of interferometric crosstalk in remote delivery of very narrow linewidth millimetre wave signals 极窄线宽毫米波信号远程传输中的干涉串扰分析
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595110
L. Moura, M. Darby, P. Lane, J. O'Reilly
{"title":"Analysis of interferometric crosstalk in remote delivery of very narrow linewidth millimetre wave signals","authors":"L. Moura, M. Darby, P. Lane, J. O'Reilly","doi":"10.1109/MTTTWA.1997.595110","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595110","url":null,"abstract":"A discussion of interferometric noise arising in a fibre/radio network providing for the broadcast of very narrow linewidth wave signals is presented in terms of BER and power penalty. We use a rigorous formulation based on the modified Chernoff bound which provides an accurate upper bound on the BER. We also compare results given by this approach with the Gaussian approximation and identify conditions for which the Gaussian statistics can be applied with confidence.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132843007","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
IM and harmonic interference on DCS-1800 band DCS-1800波段的IM和谐波干扰
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595124
D. Lee, C. Xu, U. Mayekar, M. Mohile
{"title":"IM and harmonic interference on DCS-1800 band","authors":"D. Lee, C. Xu, U. Mayekar, M. Mohile","doi":"10.1109/MTTTWA.1997.595124","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595124","url":null,"abstract":"Intermodulation and harmonic interference occur because of nonlinear processes, such as the amplifier discussed in this article. It presents a serious problem between the transmitter and receiver of different cellular providers. We discuss the IM and harmonic interference on the DCS-1800 band. A simulator was also developed to do the analysis. The worst scenario and possible prevention method for IM and harmonic interference on the DCS-1800 band are also discussed.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124079939","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
Assessment and comparison of different configurations of MM-wave fiber radio systems considering SBS effects 考虑SBS效应的毫米波光纤无线电系统不同配置的评估与比较
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595111
S.L. Zhang, P. Lane, J. O'Reilly
{"title":"Assessment and comparison of different configurations of MM-wave fiber radio systems considering SBS effects","authors":"S.L. Zhang, P. Lane, J. O'Reilly","doi":"10.1109/MTTTWA.1997.595111","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595111","url":null,"abstract":"Two configurations of MM-wave fiber radio systems were assessed and compared. The relative performance depends on the modulating signal amplitude applied to the Mach-Zehnder (MZ) modulator. An optimal power splitting ratio exists for the configuration using a power splitter and the optimal value varies with the laser output power because of SBS effect.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124131896","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
Epitaxial GaAs MESFETs for high linearity, high efficiency wireless applications 外延GaAs mesfet用于高线性、高效率的无线应用
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595105
E. Schirmann, R. Baeten, J. Costa, D. Green, D. Halchin, M. Martinez, A. Reyes
{"title":"Epitaxial GaAs MESFETs for high linearity, high efficiency wireless applications","authors":"E. Schirmann, R. Baeten, J. Costa, D. Green, D. Halchin, M. Martinez, A. Reyes","doi":"10.1109/MTTTWA.1997.595105","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595105","url":null,"abstract":"Epitaxial GaAs MESFETs with exceptionally low distortion and simultaneously high efficiency have been manufactured for use in linear power amplifier modules. When tuned for linearity, 15 mm devices exhibit Psat>34.5 dBm and PAE>68% at Vds=5.8 V and 835 MHz (single tone). With two tone average Pout=30 dBm, these devices exhibit PAE>48%, IM/sub 3/<-35 dBc, and IM/sub 5/<-45 dBc.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126120589","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
High efficiency GaAs power MMIC operating with a single 3.0 V supply for PACS handsets 高效GaAs电源MMIC工作与单一3.0 V电源的PACS手机
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595106
S. Yamamoto, T. Yokoyama, T. Kunihisa, M. Nishijima, M. Nishitsuji, K. Nishii, O. Ishikawa
{"title":"High efficiency GaAs power MMIC operating with a single 3.0 V supply for PACS handsets","authors":"S. Yamamoto, T. Yokoyama, T. Kunihisa, M. Nishijima, M. Nishitsuji, K. Nishii, O. Ishikawa","doi":"10.1109/MTTTWA.1997.595106","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595106","url":null,"abstract":"A high efficiency 3-stage power MMIC operating with a single 3.0 V supply has been developed for 1.9 GHz PACS (low tier PCS) handsets. The pseudomorphic double heterojunction modulation doped FET (MODFET) has enabled a single 3.0 V operation. The MMIC includes all matching circuits (input, output and internal matching circuits), but drain and gate bias circuits are excluded from the MMIC chip to make the chip size small. The new MMIC realizes a high power added efficiency of 30.2% at output power of 24.5 dBm and 1.88 GHz with low adjacent channel leakage power of -60.0 dBc under a single 3.0 V bias supply condition. Total gain and operating current are 32.3 dB and 307 mA, respectively.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124609614","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
1.6-6 GHz optimized antennas for indoor wireless LAN applications 1.6-6 GHz优化天线用于室内无线局域网应用
1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest Pub Date : 1997-02-23 DOI: 10.1109/MTTTWA.1997.595107
L. Desclos, M. Madihian, T. Ohsawa
{"title":"1.6-6 GHz optimized antennas for indoor wireless LAN applications","authors":"L. Desclos, M. Madihian, T. Ohsawa","doi":"10.1109/MTTTWA.1997.595107","DOIUrl":"https://doi.org/10.1109/MTTTWA.1997.595107","url":null,"abstract":"This paper presents a class of broadband monopole-based antennas for indoor wireless local area network applications. Through optimization of the antenna's physical shape, different structures for both the base station and the mobile terminal are designed and developed. These antennas have been successfully incorporated in a 2.4 GHz 25 Mbps prototype PC card test-bed system.","PeriodicalId":264044,"journal":{"name":"1997 IEEE MTT-S Symposium on Technologies for Wireless Applications Digest","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124816320","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: 5
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