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2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)最新文献

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A wireless pressure measurement system using a SAW hybrid sensor 使用SAW混合传感器的无线压力测量系统
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.862237
G. Schimetta, F. Dollinger, R. Weigel
{"title":"A wireless pressure measurement system using a SAW hybrid sensor","authors":"G. Schimetta, F. Dollinger, R. Weigel","doi":"10.1109/MWSYM.2000.862237","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.862237","url":null,"abstract":"A pressure measuring system based on surface acoustic wave (SAW) sensors is presented. Since SAW sensors are powered by the energy of the RF field no battery is required, which is a major drawback of conventional microcontroller based telemetry systems. A successful combination of a SAW reflective delay line with a high-Q capacitive pressure sensor is shown. With a new way of matching the sensor impedance to the SAW reflector impedance both a high signal-to-noise ratio and a high signal dynamic are achieved which supports accurate signal evaluation. As an example of realization the prototype of a tyre pressure sensor unit is presented.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125531512","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: 103
A design of the novel coupled line bandpass filter using defected ground structure 采用缺陷接地结构的新型耦合线带通滤波器的设计
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.861000
Jun-Sik Yun, Geun-Young Kim, Jun-Seok Park, D. Ahn, Kwang-Yong Kang, Jae-Bong Lim
{"title":"A design of the novel coupled line bandpass filter using defected ground structure","authors":"Jun-Sik Yun, Geun-Young Kim, Jun-Seok Park, D. Ahn, Kwang-Yong Kang, Jae-Bong Lim","doi":"10.1109/MWSYM.2000.861000","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.861000","url":null,"abstract":"In this paper, a novel coupled line bandpass filter with a DGS (Defected Ground Structure) is proposed to realize a compact size with low insertion loss characteristic. The proposed bandpass filter can provide an attenuation pole due to the resonance characteristic of the DGS. The equivalent circuit parameters for the DGS are extracted by using an EM simulation process and the circuit analysis method. The design method for the proposed 3-pole bandpass filter is derived based on coupled line filter theory and the derived equivalent circuit of the DGS. The experimental results show an excellent agreement with theoretical simulation results.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116070717","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: 55
Efficient sensitivity analysis of transmission-line networks using model reduction techniques 基于模型约简技术的输电在线网络灵敏度分析
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.863324
R. Khazaka, P. Gunupudi, M. Nakhla
{"title":"Efficient sensitivity analysis of transmission-line networks using model reduction techniques","authors":"R. Khazaka, P. Gunupudi, M. Nakhla","doi":"10.1109/MWSYM.2000.863324","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.863324","url":null,"abstract":"An analysis method, based on congruent transformation and model reduction, is described for evaluation of frequency and time domain sensitivity of networks which include lossy coupled transmission lines. The sensitivity can be calculated with respect to network components and parameters of transmission lines. The proposed algorithm provides a significant decrease in computational expense for sensitivity analysis.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122680067","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: 25
Filters with an almost constant stopband 具有几乎恒定阻带的滤波器
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.862293
R. Snyder
{"title":"Filters with an almost constant stopband","authors":"R. Snyder","doi":"10.1109/MWSYM.2000.862293","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.862293","url":null,"abstract":"We use a resistive-reactive crosscoupling within elliptic high- and low-pass filters to provide sharp-cutoff highpass or lowpass responses, which then reach an almost constant stopband attenuation value a short distance from the passband. This almost-constant stopband is maintained down to DC for highpass types and to at least twice the cutoff frequency for lowpass configurations. Similar resistive-reactive crosscoupling configurations can be used to provide constant stopband levels for bandpass and bandstop networks.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122616297","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
Mobius filters and resonators 莫比乌斯滤波器和谐振器
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.862295
J. Pond
{"title":"Mobius filters and resonators","authors":"J. Pond","doi":"10.1109/MWSYM.2000.862295","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.862295","url":null,"abstract":"Resonator and filter topologies are introduced which rely on the geometric deformation of a guiding structure resulting in the establishment of resonant conditions in more compact structures. Conceptually, the structures are analogous to Mobius strips. The path length of the edge in a Mobius strip is twice an length of the edge of the rectangle deformed in creating the Mobius strip geometry. Analogously, this means the structure can be at resonance even though the length of the line, before deformation, was a half wavelength long. The concept has been demonstrated in planar geometries and in wire-loaded cavity structures. The dual-mode nature of the fundamental resonance is readily apparent.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114033365","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
The gain advantages of four cascaded single stage distributed amplifier configurations 四级联单级分布式放大器的增益优势
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.861764
B. Banyamin, M. Berwick
{"title":"The gain advantages of four cascaded single stage distributed amplifier configurations","authors":"B. Banyamin, M. Berwick","doi":"10.1109/MWSYM.2000.861764","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.861764","url":null,"abstract":"This paper demonstrates a hybrid-distributed amplifier based on four-cascaded single stage distributed amplifiers (4-CSSDA). The amplifier produces an available power gain significantly higher than conventional distributed amplifiers (CDA) using the same number of active devices. Simulation results show the advantage of the proposed amplifier over the conventional one. Measured results for two versions of the 4-CSSDA were achieved and show a good performance of high gain, gain flatness, input and output matching, flat group delays and low noise figure across 1-10 GHz bandwidth. The two versions of the CSSDA proved that the available power gain can be increased by increasing the interstage characteristic impedance of the amplifier stages.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114514270","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: 15
Micromachined circuit combining networks for W-band applications 用于w波段应用的微机械电路组合网络
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.860986
K. Herrick, L. Katehi
{"title":"Micromachined circuit combining networks for W-band applications","authors":"K. Herrick, L. Katehi","doi":"10.1109/MWSYM.2000.860986","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.860986","url":null,"abstract":"In circuit combining networks, low loss interconnecting transmission lines are pivotal In reducing excess loss. Micromachined finite ground coplanar (MFGC) waveguides are used in this study as low loss interconnects showing significant improvements in line loss while maintaining characteristic impedance for both 50 and 70 /spl Omega/ designs.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129362909","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
Micromachined branch line coupler in CMOS technology CMOS技术中的微机械分支线耦合器
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.860983
M. Ozgur, U.C. Kozat, M. Zaghloul, M. Gaitan
{"title":"Micromachined branch line coupler in CMOS technology","authors":"M. Ozgur, U.C. Kozat, M. Zaghloul, M. Gaitan","doi":"10.1109/MWSYM.2000.860983","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.860983","url":null,"abstract":"An internally ground-equalized coplanar branch line coupler (BLC) is fabricated by post-processing 2poly/2metal analog CMOS chips. First level metallization is used to equalize the ground planes, hence to suppress the unwanted coupled-slot-line mode propagation. This addition necessitates additional compensation of signal lines to improve the return losses. Fabricated CMOS chips are post-processed with a two-step procedure. First, a thick polyimide film is screen-printed on the devices as a stress-compensation. Then, the silicon substrate is selectively removed underneath the devices. The measured responses show very good agreement with simulations. Fabricated devises exhibit return losses less than 10 dB and maximum of 1 dB amplitude difference in the frequency range of 25-30 GHz.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124584103","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
High Q VCO using an electro-acoustic device compatible with CMOS integrated circuit technology 高Q压控振荡器采用与CMOS集成电路技术兼容的电声器件
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.863328
Pilsoon Choi, Seok-Bong Hyun, Y. Eo, Kwyro Lee
{"title":"High Q VCO using an electro-acoustic device compatible with CMOS integrated circuit technology","authors":"Pilsoon Choi, Seok-Bong Hyun, Y. Eo, Kwyro Lee","doi":"10.1109/MWSYM.2000.863328","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.863328","url":null,"abstract":"Low phase noise characteristic can be in a VCO (Voltage Controlled Oscillator) by using a high Q SAW (Surface Acoustic Wave) device. In this type of VCO, new method for obtaining both wide tuning range and low phase noise characteristic is proposed and experimentally verified. This paper also shows the feasibility of single chip VCOs using PLIC (Poly-Lithic Integrated Circuit) technology compatible with CMOS integrated circuit technology, which allows us to develop a true single chip mobile communication system.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124762267","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
Superconducting filter for IMT-2000 band 用于IMT-2000波段的超导滤波器
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI: 10.1109/MWSYM.2000.863272
G. Tsuzuki, Masanobu Suzuki, N. Sakakibara
{"title":"Superconducting filter for IMT-2000 band","authors":"G. Tsuzuki, Masanobu Suzuki, N. Sakakibara","doi":"10.1109/MWSYM.2000.863272","DOIUrl":"https://doi.org/10.1109/MWSYM.2000.863272","url":null,"abstract":"This paper presents two superconducting filters for IMT-2000 band with a 20 MHz bandwidth and a 1930 MHz center frequency. One aimed at not only steep skirt but also low insertion loss and low group delay deviation by 16 resonators, while another focused on extreme steep skirt performance by 32 resonators. These filters were fabricated using YBCO films on a half area and on a full area of a 3-inch diameter MgO wafer respectively. An excellent insertion loss less than 0.4 dB for a 16-pole filter and an excellent attenuation more than 30 dB apart 420 KHz from lower band-edge for a 32-pole filter.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129899519","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: 95
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