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2016 Asia-Pacific Microwave Conference (APMC)最新文献

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A 2.5 GHz programmable wideband low pass filter with a hybrid Continuous-Time/Discrete-Time equalizer in 40 nm CMOS 一种带连续/离散时间混合均衡器的40纳米CMOS 2.5 GHz可编程宽带低通滤波器
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931446
Y. Morishita, K. Mizuno, J. Sato, K. Takinami, Kazuaki Takahashi
{"title":"A 2.5 GHz programmable wideband low pass filter with a hybrid Continuous-Time/Discrete-Time equalizer in 40 nm CMOS","authors":"Y. Morishita, K. Mizuno, J. Sato, K. Takinami, Kazuaki Takahashi","doi":"10.1109/APMC.2016.7931446","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931446","url":null,"abstract":"This paper presents a programmable wideband low pass filter (LPF) with a hybrid Continuous-Time (CT)/Discrete-Time (DT) equalizer. Unlike the conventional DT LPF design, the proposed LPF eliminates sample & hold circuits, enabling to achieve much wider bandwidth. The transfer function is derived from CT/DT hybrid analysis. A prototype has been fabricated in 40 nm CMOS. The proposed LPF achieves 2.5 GHz bandwidth by wideband equalization with capacitance ratio (C ratio) and clock frequency (ƒCK) programmability. The proposed LPF occupies 0.048 mm2 of active area.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123510054","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
A dual band, high gain twisted slot antenna using split ring resonators 采用分环谐振器的双波段高增益扭槽天线
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931493
A. Chandra, Sushrut Das
{"title":"A dual band, high gain twisted slot antenna using split ring resonators","authors":"A. Chandra, Sushrut Das","doi":"10.1109/APMC.2016.7931493","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931493","url":null,"abstract":"This paper presents a split ring resonator (SRR) loaded dual band, twisted slotted waveguide antenna. Two SRR structures are placed on both sides of the radiating slot to achieve dual band characteristics. It has been shown that the placing of SRR structures, on the transverse plane, improves the gain and front to back ratio.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122587049","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
Nonlinear behavior of RF Bulk Acoustic Wave cascaded components at high input power 高输入功率下射频体声波级联元件的非线性特性
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931351
V. Chauhan, M. Mayer, M. Schiek, C. Huck, M. Pitschi, R. Weigel, A. Hagelauer
{"title":"Nonlinear behavior of RF Bulk Acoustic Wave cascaded components at high input power","authors":"V. Chauhan, M. Mayer, M. Schiek, C. Huck, M. Pitschi, R. Weigel, A. Hagelauer","doi":"10.1109/APMC.2016.7931351","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931351","url":null,"abstract":"At high frequency, Bulk Acoustic Wave (BAW) devices are mainly used for filtering in front-ends of modern mobile transceivers. Furthermore, the transmitter filters are usually used at high input power levels of up to 33 dBm, which lead to nonlinearity and self-heating within the filter. In this work a thermo-electro-mechanical Mason model combined with a 3-dimensional electromagnetic finite element method (3D EM FEM) is used for modeling the nonlinear behavior of different BAW components. The impedance curve, filter response, second harmonics as well as inter-modulation distortion (IMD) of cascaded BAW resonators and filters due to the nonlinearities are explained. With the aid of the developed method, different cascading approaches for optimizing the nonlinear behavior are shown. Measurements of BAW components up to second order harmonics have been carried out using a nonlinear vector network analyzer (NVNA).","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"219 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123302473","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
Spurious coupling compensation through iris structure in coax cavity filters 利用虹膜结构补偿同轴腔滤波器中的杂散耦合
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931416
Vikas Gupta, Tushar Gajjar, K. Pathan, Y. H. Dave
{"title":"Spurious coupling compensation through iris structure in coax cavity filters","authors":"Vikas Gupta, Tushar Gajjar, K. Pathan, Y. H. Dave","doi":"10.1109/APMC.2016.7931416","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931416","url":null,"abstract":"This paper presents a novel spurious coupling compensation technique for coax cavity resonator based filters. It has been found that cross coupled coax cavity filter suffers from the problem of spurious coupling between non-adjacent resonators which leads to asymmetric transmission response and group delay characteristics, which, in turn leads to deterioration in the RF performance. An exhaustive study has been performed for identification of this spurious coupling and coupling structure has been suitably modified in such a way that the spurious couplings get cancelled within the filter and eventually results in symmetric transmission and group delay response. The simulation results have been validated through the measurements.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"s3-10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130069962","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
A pattern reconfigurable low-profile Yagi monopole antenna with 360° beam-scanning ability 具有360°波束扫描能力的低轮廓八木单极天线
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931460
Jiaqiao Shi, Zhenxin Hu, Z. Shen, Wen Wu
{"title":"A pattern reconfigurable low-profile Yagi monopole antenna with 360° beam-scanning ability","authors":"Jiaqiao Shi, Zhenxin Hu, Z. Shen, Wen Wu","doi":"10.1109/APMC.2016.7931460","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931460","url":null,"abstract":"A pattern reconfigurable Yagi monopole antenna with beam-scanning ability in the horizontal plane is presented in this paper. It employs a symmetrical folded top-hat monopole in the center as driven element and six top-hat monopoles around it in a circle as parasitic elements. Two PIN diodes are used to make each parasitic element connected to or isolated with the ground plane. Beam scanning in the horizontal plane over a 360° range can be achieved by using DC bias voltages switching these PIN diodes. A prototype operating at ƒ0 = 2.4 GHz is fabricated and measured. The experimental results show that a fractional bandwidth of 10.8% is obtained with an antenna height of only 0.048 λ0 (λ0 is the free-space wavelength at the center operating frequency).","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129140344","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
Design of High Dynamic Range Receiver for Ka-band Polarimetric Cloud Profiling Radar ka波段极化云剖面雷达高动态范围接收机设计
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931306
P. Shrivastava, A. Agarwal
{"title":"Design of High Dynamic Range Receiver for Ka-band Polarimetric Cloud Profiling Radar","authors":"P. Shrivastava, A. Agarwal","doi":"10.1109/APMC.2016.7931306","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931306","url":null,"abstract":"The applications of Ka-band scanning radars are study of physics of clouds and precipitation. Doppler and Polarimetric have exclusive capability for detection, measurement and recognition of scatter types as well as features of their motions. There is large variation in reflectivity due to different atmospheric phenomena. This results in large variation of signal levels in Radar returns. Due to this the Cloud Radar requires a High Dynamic Range Receiver. In this paper Design, Simulation and measured results of high dynamic range receiver system of Cloud Profiling Radar are presented.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124675300","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
Analysis, simulation, and measurement of envelope tracking linearization 包络跟踪线性化的分析、仿真和测量
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931267
Yu Zhu, O. Klimashov, Boshi Jin, F. Balteanu, S. Drogi, D. Bartle, P. Dicarlo
{"title":"Analysis, simulation, and measurement of envelope tracking linearization","authors":"Yu Zhu, O. Klimashov, Boshi Jin, F. Balteanu, S. Drogi, D. Bartle, P. Dicarlo","doi":"10.1109/APMC.2016.7931267","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931267","url":null,"abstract":"Additional intermodulation distortions (IMD) are generated in an envelope tracking (ET) power amplifier (PA) due to the mixing between RF input and ET signals. ET linearization can thus be achieved by the IMD cancellation. Analytical expressions depicting the ET linearization mechanism are derived. IMD cancellation is demonstrated with a three tone harmonic balance simulation. Significant linearity improvement is experimentally observed with both two-tone and modulated signals.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116870736","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 versatile mm-wave micromachined anti-reflective layer 一种多功能毫米波微机械防反射层
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931298
W. Harris, T. Nichols, M. Abbasi, D. Ricketts
{"title":"A versatile mm-wave micromachined anti-reflective layer","authors":"W. Harris, T. Nichols, M. Abbasi, D. Ricketts","doi":"10.1109/APMC.2016.7931298","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931298","url":null,"abstract":"Micromachined millimeter-wave anti-reflective layers (mm-AR) offer a highly customizable and effective method to maximize power transmission through dielectric media. The power transmitted through an air-dielectric interface is maximized by adding an anti-reflective layer whose thickness is a quarter-wavelength and whose dielectric constant is the geometric mean of air and the dielectric, in analogous fashion to a quarter-wave transformer in transmission line theory. The mm-AR is an artificial dielectric material with controlled thickness and dielectric constant. A DRIE process forms a sub-wavelength lattice in a substrate that controls the material's effective dielectric response. The resulting anti-reflective layers were used to improve transmission through a silicon-air interface from an average of 40% across the W-band to 95%. While silicon was used in this work, the demonstrated impedance matching technique can be used for a wide variety of dielectric materials.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126287793","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
Spoof Surface Plasmon-based leaky wave antennas 欺骗基于表面等离子体的漏波天线
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931271
Amin Kianinejad, Zhi Ning Chen, C. Qiu
{"title":"Spoof Surface Plasmon-based leaky wave antennas","authors":"Amin Kianinejad, Zhi Ning Chen, C. Qiu","doi":"10.1109/APMC.2016.7931271","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931271","url":null,"abstract":"Spoof Surface Plasmon (SSP) modes have been of great interest in designing low loss and single-layer transmission lines and other microwave components. These slow-wave structures have great potential to form high efficient and single layer antennas; however, their conversion to fast propagating waves has not attracted much attention so far. This paper exploits the spoof surface plasmon modes to design and experimentally verify single-layer leaky wave antennas. It is showed that by introducing a gap between the cells of SSP structures, the dispersion curve moves from the slow-wave region to the fast-wave region. The broadband mode conversion is achieved by designing a short transition from high momentum to low momentum modes. The proposed leaky wave antenna presents the high efficient radiation over the entire bandwidth. This method for designing planar and single-layer leaky wave antennas holds promises for antenna integration in integrated microwave circuits.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"29 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125694165","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
Triple band differential rectifier for RF energy harvesting applications 用于射频能量收集应用的三波段差分整流器
2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI: 10.1109/APMC.2016.7931295
Sanchari Sen Sarma, Sandhya Chandravanshi, M. Jaleel Akhtar
{"title":"Triple band differential rectifier for RF energy harvesting applications","authors":"Sanchari Sen Sarma, Sandhya Chandravanshi, M. Jaleel Akhtar","doi":"10.1109/APMC.2016.7931295","DOIUrl":"https://doi.org/10.1109/APMC.2016.7931295","url":null,"abstract":"A triple band differential rectifier unit for RF energy harvesting applications is proposed in this paper. The rectifier is designed to operate in the frequency bands where some popular ambient RF sources like the UMTS (2.1 GHz), lower WLAN/Wi-Fi (2.4–2.48 GHz) and WiMAX (3.3–3.8 GHz) are available. A single stage Villard Voltage Doubler is utilized as the rectifier unit. Interdigital capacitors (IDC) are used instead of lumped components for the rectifier design in order to provide more reliability to the resultant circuit. An impedance matching unit consisting of distributed microstrip lines is also designed in order to ensure maximum power transfer between the antenna and the rectifier unit in the desired frequency bands. The impedance matching section and the rectifier unit is simulated using the Agilent ADS software. The designed rectifier unit is then fabricated and tested in order to check the validity of the design. A maximum voltage of 5.53V is measured for an input power of 14 dBm, whereas a peak RF-to-DC conversion efficiency of 42% is achieved for the same input power.","PeriodicalId":166478,"journal":{"name":"2016 Asia-Pacific Microwave Conference (APMC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128407635","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
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