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1981 IEEE MTT-S International Microwave Symposium Digest最新文献

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Miniaturized Diplexer for Land Mobile Communication Using High Dielectric Ceramics 高介电陶瓷地面移动通信小型化双工器
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129863
K. Wakino, T. Nishikawa, Y. Ishikawa
{"title":"Miniaturized Diplexer for Land Mobile Communication Using High Dielectric Ceramics","authors":"K. Wakino, T. Nishikawa, Y. Ishikawa","doi":"10.1109/MWSYM.1981.1129863","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129863","url":null,"abstract":"Miniaturized Diplexer for 800 MHz land mobile communication system has been developed using dielectric quarter wavelength resonator having high permittivity of 37 and 90. The physical volume of diplexer is about 48 cc. The Spurious responses of quarter wavelength resonator were shifted to the higher frequencies by stepping the effective permittivity of the resonator material.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133602100","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: 10
Open Guided Wave Structures for Millimeter-Wave Circuits 毫米波电路的开导波结构
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129800
T. Itoh
{"title":"Open Guided Wave Structures for Millimeter-Wave Circuits","authors":"T. Itoh","doi":"10.1109/MWSYM.1981.1129800","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129800","url":null,"abstract":"Open guided wave structures for millimeter-wave integrated circuit applications are reviewed. Analytical and design techniques for various functional circuits are discussed. Some of the important problems to be solved are identified.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131178752","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 Effects of High Power Microwave Pulses on Red Blood Cells and the Relationship to Transmembrane Thermal Gradients 高功率微波脉冲对红细胞的影响及其与跨膜热梯度的关系
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129967
S. L. Gartner, A. W. Friend, K. Foster, H. Howe
{"title":"The Effects of High Power Microwave Pulses on Red Blood Cells and the Relationship to Transmembrane Thermal Gradients","authors":"S. L. Gartner, A. W. Friend, K. Foster, H. Howe","doi":"10.1109/MWSYM.1981.1129967","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129967","url":null,"abstract":"Using red blood cells exposed to various pulsed microwave conditions, we examined the possibility that cellular damage may occur due to the creation of microthermal gradients across the cell membrane.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134463322","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: 11
A Comparison Between Actively and Passively Matched S-Band GaAs Monolithic FET Amplifiers 主动与被动匹配s波段GaAs单片FET放大器之比较
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129928
R. Pengelly, J. R. Suffolk, J.R. Cockrlll, J. Turner
{"title":"A Comparison Between Actively and Passively Matched S-Band GaAs Monolithic FET Amplifiers","authors":"R. Pengelly, J. R. Suffolk, J.R. Cockrlll, J. Turner","doi":"10.1109/MWSYM.1981.1129928","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129928","url":null,"abstract":"The ability to design monolithic GaAs circuits which are insensitive to active and passive component variations is demonstrated. Actively and passively matched monolithic S-band amplifiers are compared in terms of reproducibility, GaAs usage, power consumption and processing complexity.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132516268","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
A Phase Alignment Network for Space Diversity Combining 空间分集组合的相位对准网络
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129940
G. Heiter, H. Miedema
{"title":"A Phase Alignment Network for Space Diversity Combining","authors":"G. Heiter, H. Miedema","doi":"10.1109/MWSYM.1981.1129940","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129940","url":null,"abstract":"The design and microstrip implementation of the combination of a quadrant phase stepper and continuously variable phase shifter is described which allows clockwise or counterclockwise phase rotation through an arbitrary number of revolutions.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132431117","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
Mode Conversion Effects in Bragg Reflection from Periodic Grooves in Rectangular Dielectric Image Guide 矩形介质像波导周期沟槽Bragg反射的模式转换效应
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129804
M. Shiau, H. Shigesawa, S. Peng, A. Oliner
{"title":"Mode Conversion Effects in Bragg Reflection from Periodic Grooves in Rectangular Dielectric Image Guide","authors":"M. Shiau, H. Shigesawa, S. Peng, A. Oliner","doi":"10.1109/MWSYM.1981.1129804","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129804","url":null,"abstract":"Periodic gratings on rectangular dielectric image guide operating in their first stop bands [Bragg reflection) have been proposed as millimeter-wave filter components which produce strong reflections with negligible radiation. We show that mode conversion effects occur which produce additional stop bands that may affect device performance.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133083085","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: 8
4-8 Ghz High Power Cascadable Pacraged GaAs FET Amplifier 4-8 Ghz大功率级联封装GaAs FET放大器
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129842
S. Yamamura, M. Shigaki, N. Hidaka, H. Ishikawa, M. Fukuta
{"title":"4-8 Ghz High Power Cascadable Pacraged GaAs FET Amplifier","authors":"S. Yamamura, M. Shigaki, N. Hidaka, H. Ishikawa, M. Fukuta","doi":"10.1109/MWSYM.1981.1129842","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129842","url":null,"abstract":"A 4-8 GHz 1 W GaAs FET amplifier module in a 6 x 16 x 3.5 mm ceramic package with 6 terminals has been developed. The modules can be directly cascaded quite easily since they have standardized interfaces.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"81 25","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114091570","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
Millimeter-Wave Planar Slot Antennas with Dielectric Feeds 带介质馈源的毫米波平面缝隙天线
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129839
P. Yen, J. Paul, T. Itoh
{"title":"Millimeter-Wave Planar Slot Antennas with Dielectric Feeds","authors":"P. Yen, J. Paul, T. Itoh","doi":"10.1109/MWSYM.1981.1129839","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129839","url":null,"abstract":"Measurements have been made on various antenna configurations suitable for monolithic integration at millimeter-wave frequencies. The basic structure consists of a single slot dipole radiator etched on a dielectric substrate and combined with a beam lead detector diode. Enhancement of the antenna directivity has been achieved through the use of dielectric rods oriented over the slot area. Addition of these rods has improved directivity up to 10 dB at 60 GHz.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123959242","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
Broadband Lumped-Element GaAs FET Power Amplifiers 宽带集总元件GaAs场效应晶体管功率放大器
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129843
R. Camisa, J. Klatskin, A. Mikelsons
{"title":"Broadband Lumped-Element GaAs FET Power Amplifiers","authors":"R. Camisa, J. Klatskin, A. Mikelsons","doi":"10.1109/MWSYM.1981.1129843","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129843","url":null,"abstract":"Very small (1.5 mm x 2.25 mm) lumped-element matched amplifiers have been developed which cover the 6-12 GHz with 0.3 W and 0.6 W minimum output power levels. Using these matched carriers as building blocks, a 1 W, 7-12 GHz, four-stage amplifier has been demonstrated.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121062425","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: 7
A Wideband, Backshort-Tunable Second Harmonic W-Band Gunn-Oscillator 一种宽带、反短可调谐二谐w波段炮振荡
1981 IEEE MTT-S International Microwave Symposium Digest Pub Date : 1981-06-15 DOI: 10.1109/MWSYM.1981.1129916
H. Barth
{"title":"A Wideband, Backshort-Tunable Second Harmonic W-Band Gunn-Oscillator","authors":"H. Barth","doi":"10.1109/MWSYM.1981.1129916","DOIUrl":"https://doi.org/10.1109/MWSYM.1981.1129916","url":null,"abstract":"Today W-Band (75...110 GHz) Gunn-oscillators are mostly built as 2nd harmonic oscillators. Because the fundamental frequency is below cutoff of the waveguide system, a backshort affects the output frequency only slightly. For the same reason, power combining and varactor tuning is extremely difficult. This paper presents design and performance of a more than 15 GHz backshort tunable 2nd harmonic 90 GHz oscillator. Using a common waveguide cavity, designed for both the fundamental and the 2nd harmonic frequency, this oscillator is easily backshort and varactor tunable. It is also well suited for \"in line\" power combiners. Results for a three diode combiner are given. Finally, a varactor tuned 2 diode combiner with a tuning range of 1.5 GHz is presented.","PeriodicalId":120372,"journal":{"name":"1981 IEEE MTT-S International Microwave Symposium Digest","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121417498","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: 38
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