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Wideband Demodulator for UWB Channel Sounding Application 用于超宽带信道探测的宽带解调器
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751821
H. El Arja, K. Mabrouk, S. Martínez, B. Huyart, X. Begaud
{"title":"Wideband Demodulator for UWB Channel Sounding Application","authors":"H. El Arja, K. Mabrouk, S. Martínez, B. Huyart, X. Begaud","doi":"10.1109/EUMC.2008.4751821","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751821","url":null,"abstract":"This paper presents a new wideband demodulator using a five-port reflectometer and a diode mixer for UWB channel sounding application. The demodulator benefits from the five-port qualities which allow it a broadband behaviour and a low cost circuit. This system operates in 6 to 8.5 GHz frequency range for European UWB applications. The main parameters are a local oscillator signal power and bias voltage set to 6 dBm and 0.22 V, respectively. The mixer achieves good performance with conversion losses estimated to 10 dB at 7 GHz.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"181 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122353734","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
Ku-band Receive-Only phased-array antenna for multimedia communication 用于多媒体通信的ku波段纯接收相控阵天线
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751408
L. Gonzalez, A. Ruiz, A. Pellon, S. Dragaš, S. Ruiz
{"title":"Ku-band Receive-Only phased-array antenna for multimedia communication","authors":"L. Gonzalez, A. Ruiz, A. Pellon, S. Dragaš, S. Ruiz","doi":"10.1109/EUMC.2008.4751408","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751408","url":null,"abstract":"This paper presents the design and development of a module of a phased-array antenna for multimedia contents reception in mobile avionics applications. The antenna, which operates in Ku band (12.5 GHz to 12.75 GHz), is based on a modular design. The developed antenna & RF front-end module is implemented in multilayer technology and it has been tested from an electrical, mechanical and thermal point of view. The results presented in this paper are the results of the work developed under the project MULFUN, \"Multifunctional Structures\", a VI Framework EC project. The objective was to reduce costs and provide added value to avionics equipment by integration of electrical, mechanical and thermal functions.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125670334","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
A Modified -0/4 Short-Circuited Stub Bandpass Filter with WLAN Stopband for UWB Applications 用于UWB应用的带WLAN阻带的改进型-0/4短路存根带通滤波器
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751558
Thai Hoa Duong, I. Kim
{"title":"A Modified -0/4 Short-Circuited Stub Bandpass Filter with WLAN Stopband for UWB Applications","authors":"Thai Hoa Duong, I. Kim","doi":"10.1109/EUMC.2008.4751558","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751558","url":null,"abstract":"This paper proposes a modified short-circuited stub bandpass filter suitable for ultra-wideband applications utilizing low temperature co-fired ceramic (LTCC). By modifying the conventional short-circuited stub bandpass filter structure with lower characteristic impedances for stubs and connecting lines, the number of stubs has been reduced from 5 to 2 stubs on a high dielectric constant substrate (epsivr = 40). A wireless local area network (WLAN) stopband in the frequency range of 5.15 to 5.825 GHz has been inserted into the filter characteristic using three short-circuited coupled lines. An insertion loss less than 1.0 dB and return loss better than 10 dB in the pass bands have been measured. A bandwidth ratio of 109.49% has been achieved. The dimension of the filter are 4times8times0.57 mm3.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130410013","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
PAPR Evaluation in Multi-Mode SDR Transceivers 多模SDR收发器的PAPR评估
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751715
P. Cruz, N. Carvalho
{"title":"PAPR Evaluation in Multi-Mode SDR Transceivers","authors":"P. Cruz, N. Carvalho","doi":"10.1109/EUMC.2008.4751715","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751715","url":null,"abstract":"This paper presents a study of the impact of peak-to-average power ratio in multi-mode software defined radio transceivers. The nonlinear distortion degradation will also be studied both at the SDR transmitter and receiver. Moreover the use of crest factor reduction schemes based on clipping is presented, by showing that clipping followed by filtering should be used carefully in order not to degrade the overall performance.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130440106","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: 13
CBCPW-Fed Side-Plane Patch Antenna cbcpw馈电侧面贴片天线
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751506
Ju-Hung Chen, Yen-Ju Lu, P. Hsu, Shih-Yuan Chen
{"title":"CBCPW-Fed Side-Plane Patch Antenna","authors":"Ju-Hung Chen, Yen-Ju Lu, P. Hsu, Shih-Yuan Chen","doi":"10.1109/EUMC.2008.4751506","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751506","url":null,"abstract":"A side-plane patch antenna fed by a conductor-backed coplanar waveguide (CBCPW) is proposed. By etching a slotline pair on the side planes in the transverse direction of the CBCPW, the surface currents on the two side planes can be made the same phase and a 4.8-dBi antenna gain is achieved. This antenna is compared to a two-element patch antenna array fed by a microstrip line. Similar return loss response, antenna gain, and radiation mechanism are observed.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129273028","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
Field Theory Analysis and Matrix Synthesis of Cylindrical Array with Multi-Lobe Pattern 多瓣柱面阵的场论分析与矩阵综合
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751713
M. Manuilov, B. Manuilov, P. Bashly
{"title":"Field Theory Analysis and Matrix Synthesis of Cylindrical Array with Multi-Lobe Pattern","authors":"M. Manuilov, B. Manuilov, P. Bashly","doi":"10.1109/EUMC.2008.4751713","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751713","url":null,"abstract":"A novel technique for shaping the complex multi-lobe patterns of conformal or planar antenna arrays is presented. The proposed technique is based on the matrix synthesis method that was implemented for the array of waveguide-fed axial slots on a perfectly conducting infinite circular cylinder. The synthesis technique combined with 3D EM model of the cylindrical array allows controlling the multi-lobe pattern of array including directions, relative amplitudes and phases of the individual lobes. The potential of this technique can be efficiently employed in communications applications, for example, for signal reception by multi-path propagation.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125381316","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
Low-Cost 3-D Integration of RF and Micro-Cooling Systems 射频和微冷却系统的低成本三维集成
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751373
Chung-hao Chen, D. J. Chung, S. Bhattacharya, J. Papapolymerou, D. Peroulis
{"title":"Low-Cost 3-D Integration of RF and Micro-Cooling Systems","authors":"Chung-hao Chen, D. J. Chung, S. Bhattacharya, J. Papapolymerou, D. Peroulis","doi":"10.1109/EUMC.2008.4751373","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751373","url":null,"abstract":"A heterogeneous 3-D integration scheme of low cost Liquid Crystal Polymer (LCP) and silicon substrates with microfluidic channels and circulating water is demonstrated. Theoretical and experimental data show the applicability of this technique as a means to introduce effective active cooling in high-frequency electronics without adversely impacting their RF performance. An LCP coplanar waveguide fabricated on top of a silicon-etched microchannel with circulating water under a shielding ground plane is the vehicle to demonstrate the integration technology of this paper. The measured RF results are nearly identical with and without water in the microchannel. A water flow rate of ~12 ml/min is measured with a micropump that occupies less than 9.5 cm3 and consumes less than 1.2 W.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126559998","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: 13
Rigorous Modal Analysis of Radiation from Coaxial Waveguide Mounted on Finite Circular Flange 有限圆法兰同轴波导辐射的严格模态分析
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751537
C. Tomassoni, M. Mongiardo, P. Russer, R. Sorrentino
{"title":"Rigorous Modal Analysis of Radiation from Coaxial Waveguide Mounted on Finite Circular Flange","authors":"C. Tomassoni, M. Mongiardo, P. Russer, R. Sorrentino","doi":"10.1109/EUMC.2008.4751537","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751537","url":null,"abstract":"In this paper modal analysis is employed to analyze the radiative properties of a truncated coaxial waveguide with a finite circular flange and a spherically stratified radome. By using the spherical mode expansion, free-space is considered as a waveguide, thus enablingmodal techniques to be applied for dealing with closed waveguides and radiative problems. The effect of the finite flange and hemispherical radome is rigorously studied considering both the return loss and the radiation diagram.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126039756","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: 6
Fully Integrated 5.8 GHz SiGe Power Amplifier 全集成5.8 GHz SiGe功率放大器
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751448
D. Gruner, H. Gustat, G. Boeck
{"title":"Fully Integrated 5.8 GHz SiGe Power Amplifier","authors":"D. Gruner, H. Gustat, G. Boeck","doi":"10.1109/EUMC.2008.4751448","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751448","url":null,"abstract":"A fully integrated broadband push-pull power amplifier (PA) has been developed and fabricated in a 0.25 mum SiGe-HBT technology. Monolithic transformers are used to transform the 50 iquest input/output of the amplifier to the optimum load and source impedances of an efficient push-pull pair. Electromagnetic modeling of the whole chip structure has been carried out in order to optimize the performance of the presented PA. It achieves an output power of 20/23 dBm in saturation and 18/21 dBm at 1 dB power compression at a supply voltage of 1.2/1.8 V and a center frequency of 5.8 GHz. The maximum PAE is 18/20 %. A gain of (9.7plusmn1) dB was observed over a wide frequency range from 4 Ghz up to 6.4 GHz.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116230136","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 fabrication of a substrate integrated waveguide bandstop filter 基板集成波导带阻滤波器的设计与制造
2008 38th European Microwave Conference Pub Date : 2008-10-01 DOI: 10.1109/EUMC.2008.4751381
B. Ahmad, I. Hunter
{"title":"Design and fabrication of a substrate integrated waveguide bandstop filter","authors":"B. Ahmad, I. Hunter","doi":"10.1109/EUMC.2008.4751381","DOIUrl":"https://doi.org/10.1109/EUMC.2008.4751381","url":null,"abstract":"This paper presents a novel design for SIW bandstop filters. The network comprises a substrate integrated waveguide, SIW, cavity resonator coupled to a strip line to give a bandstop response. This is the first time such a bandstop SIW filter has been demonstrated. All simulation was done in HFSS and ADS Momentum. The fabricated filter is small and compact, operating at a frequency of 9 GHz.","PeriodicalId":308339,"journal":{"name":"2008 38th European Microwave Conference","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121371692","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: 14
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