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1992 IEEE Microwave Symposium Digest MTT-S最新文献

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Performance of a YBaCuO superconducting filter/GaAs low noise amplifier hybrid circuit YBaCuO超导滤波器/GaAs低噪声放大器混合电路的性能
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188018
K. Bhasin, S. Toncich, C. M. Chorey, R.R. Bonetii, A.E. Williams
{"title":"Performance of a YBaCuO superconducting filter/GaAs low noise amplifier hybrid circuit","authors":"K. Bhasin, S. Toncich, C. M. Chorey, R.R. Bonetii, A.E. Williams","doi":"10.1109/MWSYM.1992.188018","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188018","url":null,"abstract":"A superconducting 7.3-GHz two-pole microstrip bandpass filter and a GaAs low-noise amplifier (LNA) were combined into a hybrid circuit and characterized at liquid nitrogen temperatures. This superconducting/semiconducting circuit's performance was compared to that of a gold filter/GaAs LNA hybrid circuit. The noise figure characteristics of the superconducting filter/LNA hybrid circuit when compared to the gold filter/LNA hybrid circuit showed an improvement of 2.1 dB at 77 K. The gain characteristics showed an improvement of 0.5 dB for the high-temperature superconductor (HTS) filter hybrid over the gold hybrid at 77 K.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115266567","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 coplanar waveguide broadside end-coupled band-pass filter 一种共面波导宽频端耦合带通滤波器
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188145
C. Nguyen
{"title":"A coplanar waveguide broadside end-coupled band-pass filter","authors":"C. Nguyen","doi":"10.1109/MWSYM.1992.188145","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188145","url":null,"abstract":"A new broadside end-coupled bandpass filter using a coplanar waveguide (CPW), suitable for wideband microwave and millimeter-wave integrated circuits, has been developed. The shielded CPW and broadside CPW, employed in the filter, were analyzed using the quasi-static spectral-domain method. An X-band (8-12-GHz) three-resonator bandpass filter has been built and tested with a good agreement between the measured and calculated results.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115306377","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
Packaging requirements for high volume wireless communications 大容量无线通信的封装要求
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188297
D. R. Green, J.P. Beccone, R.B. Crispell
{"title":"Packaging requirements for high volume wireless communications","authors":"D. R. Green, J.P. Beccone, R.B. Crispell","doi":"10.1109/MWSYM.1992.188297","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188297","url":null,"abstract":"Summary form only given. The authors presented an overview of present and anticipated high-volume wireless communication applications, with emphasis on cellular and cordless phones, for MMICs (monolithic microwave integrated circuits) and MICs. The packaging requirements are discussed for existing and emerging standards.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115695097","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
Low noise oscillators 低噪声振荡器
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188178
J. Everard
{"title":"Low noise oscillators","authors":"J. Everard","doi":"10.1109/MWSYM.1992.188178","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188178","url":null,"abstract":"The author describes a set of design rules which are general and can be used to produce oscillators with a very low noise performance where both additive and flicker noise are considered. Linear theories which accurately describe the noise performance of resonator-type oscillators are presented. The limits set by varactor diodes on the noise performance are described and the noise degradation caused by open-loop phase error is shown. Seven design examples are demonstrated which show close correlation with the theory.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124462134","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: 40
A 30-180 GHz harmonic mixer-receiver 30-180 GHz谐波混频器接收器
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.187982
B. Kormanyos, Gabriel M. Rebeiz
{"title":"A 30-180 GHz harmonic mixer-receiver","authors":"B. Kormanyos, Gabriel M. Rebeiz","doi":"10.1109/MWSYM.1992.187982","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.187982","url":null,"abstract":"The authors have combined integrated circuit antenna technology with microwave circuit design and a back-to-back Schottky diode chip to build a wideband millimeter-wave harmonic mixer-receiver. The design is planar, very simple to build, and yields excellent performance from 30-180 GHz. Application areas include wideband early warning systems and search and rescue applications, and for extending the range of spectrum analyzers and power meters to the millimeter-wave region.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114647553","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 heterostructure FET with 75.8-percent power added efficiency at 10 GHz 在10ghz时，具有75.8%功率的异质结构场效应管提高了效率
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188063
P. Saunier, W. S. Kopp, H. Tserng, Y. Kao, D. Heston
{"title":"A heterostructure FET with 75.8-percent power added efficiency at 10 GHz","authors":"P. Saunier, W. S. Kopp, H. Tserng, Y. Kao, D. Heston","doi":"10.1109/MWSYM.1992.188063","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188063","url":null,"abstract":"The authors report the performance of a new AlGaAs/GaAs heterostructure FET (HFET) designed to have very high efficiency at the X-band with high drain bias. The combination of low doped AlGaAs under the gate and highly doped GaAs channel and superlattice buffer layers allows high gate-drain and source-drain breakdown voltage, constant transconductance, and moderate-to-high maximum channel current. These characteristics make the devices ideal for Class B and Class F operation. The 1200*0.25- mu m HFET devices have demonstrated a power-added efficiency (PAE) of 75.8% with 603 mW of output power and 8.8 dB of gain with a 9-V drain bias at 10 GHz. Other 1200*0.25- mu m HFET devices have demonstrated a 63.2% PAE with 8.3 dB of gain and 851 mW of output power with a 12-V drain bias. At 14 volts, 50% PAE was measured with 7.4-dB gain and 1.1 W of output power.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116893215","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: 22
Hybrid semiconductive/high temperature superconductive Ku-band oscillator and amplifier MICs 混合半导体/高温超导ku波段振荡器和放大器mic
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188019
J. Smuk, M. Stubbs, J. Wight
{"title":"Hybrid semiconductive/high temperature superconductive Ku-band oscillator and amplifier MICs","authors":"J. Smuk, M. Stubbs, J. Wight","doi":"10.1109/MWSYM.1992.188019","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188019","url":null,"abstract":"The design, fabrication, and testing of hybrid semiconductive/high-temperature superconductive (HTSC) Ku-band microwave integrated circuits (MICs) operating at cryogenic temperatures are described. The first cooled feedback oscillators using GaAs FET monolithic microwave integrated circuit (MMIC) los-noise amplifiers for gain and a high-Q TlBaCaCuO linear resonator for stabilization is presented together with a low-noise high electron mobility transistor (HEMT) amplifier using TlBaCaCuO distributed stubs for matching. Both demonstrate that HTSC and semiconductive elements can be successfully integrated.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127374317","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: 4
Design and performance of waveguide E-plane HTSC insert filters 波导e平面HTSC插入滤波器的设计与性能
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188137
Liang Han, Yiyuan Chen, YunYi Wang, Q. Cheng, Senzhu Yang, Peihen Wu
{"title":"Design and performance of waveguide E-plane HTSC insert filters","authors":"Liang Han, Yiyuan Chen, YunYi Wang, Q. Cheng, Senzhu Yang, Peihen Wu","doi":"10.1109/MWSYM.1992.188137","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188137","url":null,"abstract":"A design theory is described for waveguide E-plane inductive strip filters that takes the high-order mode interaction, and the finite thickness of metal with a dielectric substrate underneath into account. The main idea was to use superconducting material, instead of metal, in the design of inductive strip insert filters. A design method is introduced for this purpose, and high-T/sub c/ superconducting (HTSC) films serve as perfect conductors. An X-band bandpass filter was fabricated with HTSC materials. The measured results of the HTSC bandpass filter are presented and compared with the CAD-predicted filter performance.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126173507","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
A comprehensive theoretical and experimental study of coplanar waveguide shunt stubs 共面波导分流桩的综合理论与实验研究
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188146
N. Dib, G. Ponchak, L. Katehi
{"title":"A comprehensive theoretical and experimental study of coplanar waveguide shunt stubs","authors":"N. Dib, G. Ponchak, L. Katehi","doi":"10.1109/MWSYM.1992.188146","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188146","url":null,"abstract":"A comprehensive theoretical and experimental study of straight and bent coplanar waveguide (CPW) shunt stubs is presented. In the theoretical analysis, the CPW is assumed to be inside a cavity, while the experiments were performed on open structures. A hybrid technique has been developed to analyze the CPW discontinuities which has been proven to be accurate, since the theoretical and experimental results agree very well. Throughout this study, the effect of the cavity resonances on the behavior of the stubs with and without air-bridges was investigated. In addition, the encountered radiation loss due to the discontinuities was evaluated experimentally.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123476471","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
A generalized model for coupled lines and its application to planar balun synthesis 耦合线的广义模型及其在平面平衡综合中的应用
1992 IEEE Microwave Symposium Digest MTT-S Pub Date : 1992-06-01 DOI: 10.1109/MWSYM.1992.188127
C. Tsai, K. Gupta
{"title":"A generalized model for coupled lines and its application to planar balun synthesis","authors":"C. Tsai, K. Gupta","doi":"10.1109/MWSYM.1992.188127","DOIUrl":"https://doi.org/10.1109/MWSYM.1992.188127","url":null,"abstract":"A network model for unsymmetrical and inhomogeneous coupled lines is derived based on normal mode parameters. The derivation is based on the four-port impedance or admittance matrix which could be found by using normal mode parameters. This model is useful for synthesis of single and multi-layer coupled line circuits. As an example, the model is used for synthesis of a planar balun circuit configuration. The synthesis procedure is verified by comparison with the analysis results.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122715674","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
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