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Linearity Measurements of Intrinsically Switchable BST FBAR Filters 本质可切换BST FBAR滤波器的线性度测量
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541805
M. Koohi, Suhyun Nam, A. Mortazawi
{"title":"Linearity Measurements of Intrinsically Switchable BST FBAR Filters","authors":"M. Koohi, Suhyun Nam, A. Mortazawi","doi":"10.23919/EUMC.2018.8541805","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541805","url":null,"abstract":"The linearity of intrinsically switchable thin film bulk acoustic wave resonator (FBAR) filters based on ferroelectric barium strontium titanate (BST) is investigated. A 2.5 stage ladder type BST FBAR filter is designed and fabricated with an insertion loss of 4.3 dB and a fractional bandwidth of 2.5% at the center frequency of 2.2 GHz. Third-order intercept point $(mathbf{IP}_{mathbf{3}})$ measurements are conducted to characterize the linearity of the filter. The measured $mathbf{IIP}_{3}$ value for the filter is 47 dBm.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"23 1","pages":"830-832"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83738891","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
Hybrid RSSI-AoA Positioning System with Single Time-Modulated Array Receiver for LoRa IoT LoRa物联网单时调阵列接收机混合RSSI-AoA定位系统
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541736
Kyung-Jin Baik, SangJoong Lee, Byung-Jun Jang
{"title":"Hybrid RSSI-AoA Positioning System with Single Time-Modulated Array Receiver for LoRa IoT","authors":"Kyung-Jin Baik, SangJoong Lee, Byung-Jun Jang","doi":"10.23919/EUMC.2018.8541736","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541736","url":null,"abstract":"In this paper, we propose a hybrid received signal strength indication (RSSI) - angle of arrival (AoA) positioning system with only one time-modulated array (TMA) receiver for LoRa IoT devices. The proposed system has the advantage of simpler hardware configuration than a conventional multiple receiver-based positioning system since it uses only one TMA receiver. Additionally, our system does not require clock synchronization because it depends on RSSI and AoA information. The TMA receiver consists of two antennas and a single-pole double-throw (SPDT) switch. The two antennas receive the signal from the target under the control of the SPDT switch and harmonic components are generated by the switching frequency of the switch. RSSI and AoA parameters can be calculated using fundamental and harmonic components. Using the RSSI and AoA of the target, the coordinates of the position are calculated by a Lab Viewprogram in real-time. In order to evaluate the performance of this system, we conducted experiments to find the position of a LoRa end-device in an outdoor environment. From the results, we confirmed that the positioning of the LoRa end-device could be precisely estimated using only one TMA receiver.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"60 1","pages":"1133-1136"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86302271","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
Circuit Modeling of Electromagnetically Induced Reflection by Multiple Slits on a Metallic Screen 金属屏上多狭缝电磁感应反射电路建模
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541767
F. Bagci, R. Rodríguez-Berral, F. Mesa, F. Medina
{"title":"Circuit Modeling of Electromagnetically Induced Reflection by Multiple Slits on a Metallic Screen","authors":"F. Bagci, R. Rodríguez-Berral, F. Mesa, F. Medina","doi":"10.23919/EUMC.2018.8541767","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541767","url":null,"abstract":"The study of classical analogues of electromagnetically induced transparency (EIT) or of its dual counterpart, electromagnetically induced reflection (EIR), has attracted the interest of many researchers in the field of optics and microwaves in recent years. Apart from the theoretical interest of the phenomenon, this effect has potential applications in practical systems demanding narrow band, slow light propagation and high non-linearity. The physical mechanism behind this phenomenon can be interpreted in terms of a coupled resonators system, which can be implemented by means of coupled resonant LC circuits. In this work we propose an extremely simple periodic electromagnetic system exhibiting EIR and a Foster-like circuit model involving uncoupled resonators accounting for the fundamental resonances of the electromagnetic structure. The specific unit cell treated in this contribution consists of three identical coupled slits made in a thin conducting plate. The features of the transmission band and the induced narrow transmission dips are easily explained in terms of the values of the parameters of the equivalent Foster-like circuit. Some rules for tailoring the location of the transmission dip and the bandwidth of the passband where the dip is located are given. The results obtained with the circuit model are validated by proper comparison with simulations carried out by using a commercial electromagnetic solver.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"19 1","pages":"145-148"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81969598","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
Mixed Technologies Packaged High Power Frond-End for Broadband 28GHz 5G Solutions 用于宽带28GHz 5G解决方案的混合技术封装高功率前端
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMIC.2018.8539938
M. Ayad, A. Couturier, P. Poilvert, L. Marechal, P. Auxemery
{"title":"Mixed Technologies Packaged High Power Frond-End for Broadband 28GHz 5G Solutions","authors":"M. Ayad, A. Couturier, P. Poilvert, L. Marechal, P. Auxemery","doi":"10.23919/EUMIC.2018.8539938","DOIUrl":"https://doi.org/10.23919/EUMIC.2018.8539938","url":null,"abstract":"This paper presents the realization and characteristics of broadband plastic low cost packaged 5G High Power Frond-End (HPFE) operating in 24-31GHz bandwidth. This demonstrator includes a Transmit and Receive paths realized on mixed technologies: 150nm Gallium Nitride on Silicon Carbide (AlGaN/GaN on SiC) and 150nm Gallium Arsenide (GaAs). Continuous Wave (CW) measured power results of the Transmit path (Tx) demonstrates a maximum output power (POUT, Tx) higher than 2W (33.5dBm) with 24% power added efficiency (P AE), and 36dB of insertion gain (GI, Tx) in the 24-31GHz bandwidth. The receiver path (Rx) presents an maximum output power (POUT, Rx) of 30mW (15.5dBm) and an average Noise Figure (NF) of 3.6dB with an associated Insertion Gain (GI, Rx) of 20dB in the same bandwidth. The HPFE/Tx linearity has been investigated with several M-QAM modulation signals with 25/50 and 100MHz channel spacing and using Digital Pre-Distortion (DPD) leading to 48dBc Adjacent Channel Leakage Ratio (ACLR) and 40dB Mean Squared Error (MSE) for average output powers ranging from 17dBm to 25dBm. The linearity performances have been compared to the ones obtained with two other linear GaAs amplifiers (P A1 and P A2) dedicated to point to point telecommunications application: the HPFE presents similar linearity performances associated to a higher efficiency.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"41 1","pages":"1257-1260"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87486560","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
Characteristics of Circularly Polarized Multimode Helical Beams 圆偏振多模螺旋光束的特性
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EURAD.2018.8546558
G. Richichi, G. Junkin
{"title":"Characteristics of Circularly Polarized Multimode Helical Beams","authors":"G. Richichi, G. Junkin","doi":"10.23919/EURAD.2018.8546558","DOIUrl":"https://doi.org/10.23919/EURAD.2018.8546558","url":null,"abstract":"In this paper, a theoretical and numerical analysis to determine the properties of circularly polarized helical beams is presented. A beam-port has been programmed to reproduce the fields radiated by a circularly polarized helical beam antenna designed at the frequency of 10GHz. The propagation of four different circularly polarized helical modes over a distance of 3 m has been studied using time-domain analysis with CFDTD and analytical models. Thanks to the great volume of the simulations, the properties of these beam have been delineated and compared with the linearly polarized helical beams. The design of the antenna and the beam-port was developed using the CFDTD method and a Titan-XP GPU.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"74 1","pages":"1557-1560"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90552739","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-loss Water-based Metasurface in Waveguide Environment 波导环境下的低损耗水基超表面
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541501
A. Lavrinenko, R. E. Jacobsen, S. Arslanagić
{"title":"Low-loss Water-based Metasurface in Waveguide Environment","authors":"A. Lavrinenko, R. E. Jacobsen, S. Arslanagić","doi":"10.23919/EUMC.2018.8541501","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541501","url":null,"abstract":"Water has been introduced as a unique component of all-dielectric multifunctional metasurfaces for microwaves. Typically absorbing properties of arrays in free-air arrangement have been analyzed. Here we report on promising performance of a water-filled metasurface in a microwave waveguide setup. The metasurface has a one row of cylindrical cavities. Being filled with water the metasurface exhibits effective modulation properties opening and closing the waveguide transmission channel upon 90° rotations. It acts as a wire grid polarizer, however temperature dependence of water dielectric characteristic, possible deformation of the cavities shapes and rotation of elements form a set of effective stimulus for possible tuning of transmission/reflection properties.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"48 1","pages":"819-822"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90640651","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 Three-Layer Resist Process for T - and Γ-Gates in High Electron Mobility Transistor Fabrication 高电子迁移率晶体管制造中T -和Γ-Gates的三层抗蚀剂工艺
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMIC.2018.8539955
S. Riedmuller, J. Jacquet, M. Madel, C. Chang, G. Callet, S. Piotrowicz, S. Delage, J. Gruenenpuett, H. Blanck, F. Scholz
{"title":"A Three-Layer Resist Process for T - and Γ-Gates in High Electron Mobility Transistor Fabrication","authors":"S. Riedmuller, J. Jacquet, M. Madel, C. Chang, G. Callet, S. Piotrowicz, S. Delage, J. Gruenenpuett, H. Blanck, F. Scholz","doi":"10.23919/EUMIC.2018.8539955","DOIUrl":"https://doi.org/10.23919/EUMIC.2018.8539955","url":null,"abstract":"By utilizing a novel three-layer resist process, InAlN/AlN/GaN T - and T -gate high electron mobility transistors with 0.1 μm gate lengths and below have been demonstrated. This process is based on direct electron-beam lithography with a single exposure step. Furthermore, the effect of different Γ -gate shapes on RF power performance is reported. A Γ-gate shift to the source side of the Ohmic contact, results in lower gate-to-drain capacitance and in higher transistor RF transducer gain Gt.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"86 1","pages":"1277-1280"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79728051","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
Circuital Analysis of Full-Metal Polarisers Based on 3D Unit-Cells 基于三维单元格的全金属偏振片电路分析
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541502
M. García-Vigueras, C. Molero
{"title":"Circuital Analysis of Full-Metal Polarisers Based on 3D Unit-Cells","authors":"M. García-Vigueras, C. Molero","doi":"10.23919/EUMC.2018.8541502","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541502","url":null,"abstract":"Polarising screens based on the use of fully metallic three-dimensional unit-cells are here reported. Two type of cells are proposed to build the doubly-periodic architecture, the second one allowing for an extended axial-ratio bandwidth. Both unit-cells are based on the use of metallic waveguide sections operating well below cutoff. In spite of being reactive, total transmission through the cells is possible thanks to the perforation of several resonators in the structure. These perforations allow, additionally, to tune the phase of the outgoing wave and to generate a circularly polarised signal from a 45° -slant linearly polarised impinging one. Equivalent circuit models are proposed in each case to understand the cells behavior and to help in the design of two polarisers operating around 20 GHz and providing good axial-ratio performance.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"73 1","pages":"149-152"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87173730","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
Performance Evaluation of a 220–260 GHz LO Tunable BPSK/QPSK Wireless Link in SiGe HBT Technology SiGe HBT技术中220-260 GHz LO可调谐BPSK/QPSK无线链路的性能评估
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EURAD.2018.8546526
J. Grzyb, P. R. Vazquez, N. Sarmah, B. Heinemann, U. Pfeiffer
{"title":"Performance Evaluation of a 220–260 GHz LO Tunable BPSK/QPSK Wireless Link in SiGe HBT Technology","authors":"J. Grzyb, P. R. Vazquez, N. Sarmah, B. Heinemann, U. Pfeiffer","doi":"10.23919/EURAD.2018.8546526","DOIUrl":"https://doi.org/10.23919/EURAD.2018.8546526","url":null,"abstract":"This paper reports on characterization and performance evaluation of a 1-m 220–260 GHz tunable carrier wireless link with highly-integrated direct-conversion quadrature TX/RX modules implemented in 0.13μm SiGe HBT technology with ft/fmax of 350/550 GHz. Under limited IF bandwidth constraints of 15 GHz, the maximum achieved data rates for BPSK/QPSK modulation schemes are 35 Gbps with an EVM of 28.9 % and 65 Gbps with an EVM of 31.5 %, respectively. It is further found that the current link performance is not limited by the AWGN-related SNR but mainly affected by the RF front-end imperfections related to large operation bandwidth.","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"17 1","pages":"1397-1400"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90885582","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
Compact Planar Integrated Rectenna for Batteryless IoT Applications 用于无电池物联网应用的紧凑平面集成整流天线
2018 48th European Microwave Conference (EuMC) Pub Date : 2018-09-01 DOI: 10.23919/EUMC.2018.8541764
A. Takacs, A. Okba, H. Aubert
{"title":"Compact Planar Integrated Rectenna for Batteryless IoT Applications","authors":"A. Takacs, A. Okba, H. Aubert","doi":"10.23919/EUMC.2018.8541764","DOIUrl":"https://doi.org/10.23919/EUMC.2018.8541764","url":null,"abstract":"This paper addresses a new topology of compact rectennas in which the rectifier is integrated directly on the radiating surface. The rectenna is designed for wireless power transmission or microwave energy harvesting application in ISM 900 MHz band and exhibits a very good measured conversion efficiency $(>mathbf{25}%)$ on a non-optimal load $(mathbf{10k}Omega)$ for very low microwave power densities $(> mathbf{0.18}mu mathbf{W}/mathbf{cm}^{mathbf{2}})$. The measured DC voltage $(> mathbf{330 mV}$ for microwave power density of at least 0.22 $mu mathbf{W}/mathbf{cm}^{mathbf{2}})$ obtained from this planar rectenna is in the range of the cold turn-on/start-up voltage of modern commercial off-the-shelf DC-to-DC boost converters and power management units. The proposed rectenna is also very compact: its physical surface $(mathbf{10.5} mathbf{x 6 cm}^{mathbf{2}})$ is only 5% of the square wavelength at the operating frequency (860 MHz).","PeriodicalId":6472,"journal":{"name":"2018 48th European Microwave Conference (EuMC)","volume":"18 1","pages":"777-780"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80926709","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
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