U. Lewark, T. Zwick, A. Tessmann, H. Massler, A. Leuther, I. Kallfass
{"title":"Active 600GHz frequency multiplier-by-Six S-MMICs for submillimeter-wave generation","authors":"U. Lewark, T. Zwick, A. Tessmann, H. Massler, A. Leuther, I. Kallfass","doi":"10.1109/MWSYM.2014.6848294","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848294","url":null,"abstract":"For submillimeter-wave frequency generation we present active six-fold frequency multiplier monolithic integrated circuits. Without post-amplifier stage, an output power of -15 dBm in the frequency range from 507 to 672 GHz is reached. A second S-MMIC with an integrated output buffer amplifier achieves a maximum output power of -8 dBm at 557 GHz and a 3-dB output frequency range from 552 to 618 GHz. A frequency selective measurement in the WR-1.5 band proves spurious suppression of unwanted harmonics. Both S-MMICs are realized in a 35 nm metamorphic HEMT technology for multi-functional circuit integration.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131299462","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}
{"title":"Microwave processing of capsule-less powdered beverages","authors":"P. Veronesi, E. Colombini, M. Garuti, C. Botti","doi":"10.1109/MWSYM.2014.6848445","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848445","url":null,"abstract":"Microwave rapid and selective heating is successfully applied to produce freestanding capsule-less doses of powdered beans or leaves for hot beverages preparation. 1 or 3-person doses, suitable for use in conventional hot beverage preparation machines are obtained in less than 5 seconds, without any additives except for water. Microwaves at 2.45 GHz are applied to allow shape retention and surface hardening of the pressed powders, thanks to the rapid steam generation. Load is contained inside a PTFE-lined applicator presenting micro-holes on two sides, to control vapor outlet. The use of rapidly generated steam, preferentially on the outer layers of the load, leads to weak bonding of the powders, without affecting the final taste of the brewed beverage. Modeling of the temperature- and moisture-dependent dielectric properties is used to optimize the applicator geometry, so that the outer layers of the pressed powders are preferentially heated, thus creating a rigid “shell” hosting the remaining pressed powders.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133761078","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}
{"title":"A pre-distortion method to reduce DDS spurious","authors":"P. Delos, D. A. Leonard, J. M. Spada","doi":"10.1109/MWSYM.2014.6848239","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848239","url":null,"abstract":"We present a pre-distortion method for suppression of direct digital synthesizer (DDS) spurious. The method has been implemented in a field programmable gate array (FPGA) architecture with the FPGA generating the DDS waveform and controlling a high speed digital to analog converter (DAC). A generic approach is provided, followed by a detailed example. Measured data will be shown for a continuous wave (CW) case and a linear frequency modulated (LFM) waveform. It will be demonstrated that a practical calibration can achieve over 20dB spurious improvement.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115706593","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}
A. Traille, Sangkil Kim, A. Coustou, H. Aubert, M. Tentzeris
{"title":"A conformal/rollable monolithic miniaturized ultra-portable ground penetrating radar using additive and inkjet printing","authors":"A. Traille, Sangkil Kim, A. Coustou, H. Aubert, M. Tentzeris","doi":"10.1109/MWSYM.2014.6848398","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848398","url":null,"abstract":"Typical UWB FMCW Ground Penetrating (GPR) Radars operate at low frequencies that require a wide sweep bandwidth thus necessitating complex architectures and bulky broad-band antennas. This poses unique challenges to the system portability especially for manual, wide-area outdoor measurements. In this paper, we present the first design, fabrication and characterization of a complete conformal and miniaturized radar system to be rolled up in a “poster-like” container using additive printing technology. As the lumped or distributed passives, the active devices and the Rx/Tx antennas may share the same flexible substrate, the proposed radar technology is considered to be monolithic. The presented proof-of-concept system performs the most fundamental operations of the FMCW radar including signal generation, as well as the amplification and correlation of the LO and RF signals for GPR frequencies. Specifically, this paper outlines an ultra low cost system integration, packaging and experimental verification of a flexible/conformal monolithic radar system with almost identical performance for different degrees of flexing.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115725110","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}
{"title":"On the contact resistance of single-walled carbon nanotubes in RF devices","authors":"A. Elkadi, S. El-Ghazaly","doi":"10.1109/MWSYM.2014.6848600","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848600","url":null,"abstract":"Estimating the contact resistance and losses of Carbon-Nanotubes based devices is a challenging task. This work presents an effective model to calculate the contact resistance of single-walled carbon nanotube-based RF devices. The model realistically incorporates operational parameters beyond the quantum limits and it makes it feasible to implement the model in commercially-adopted COMSOL simulators. Hence, it can be extended to design large scale integrated circuits realistically.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114809370","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}
Moon-Kyu Cho, Jang-hoon Han, Jinhyun Kim, Jeong‐Geun Kim
{"title":"An X/Ku-band bi-directional true time delay T/R chipset in 0.13 µm CMOS technology","authors":"Moon-Kyu Cho, Jang-hoon Han, Jinhyun Kim, Jeong‐Geun Kim","doi":"10.1109/MWSYM.2014.6848608","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848608","url":null,"abstract":"This paper presents an X/Ku-band bi-directional true time delay T/R chipset in 0.13 μm CMOS technology for wideband phased array antenna. The T/R chipset comprises of wideband bi-directional distributed gain amplifiers (BDGA), a 7-bit true time delay (TTD) circuit, and a 6-bit digital step attenuator. The tuning bits are included in TTD (2-bit) and DSA (2-bit) for the amplitude and group delay error correction. The T/R chipset shows the group delay variation of 198.4 ps with the LSB of 1.56 ps. The attenuator coverage of 31.5 dB with the LSB of 0.5 dB is achieved. The gain over -1 dB and the return losses of > 10 dB at 8.0-16.0 GHz are achieved. The gain flatness of T/R chipset is less than 2 dB at 8-16 GHz. The chip size is 2.65 × 1.47 mm2 including pads, and the DC power consumption is 275 mW only from the BDGAs. To authors' knowledge, this is the first demonstration of the CMOS-based bi-directional TTD T/R chipset at X/Ku-band.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114687072","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}
C. Hillman, P. Stupar, J. Hacker, Z. Griffith, M. Field, M. Rodwell
{"title":"An ultra-low loss millimeter-wave solid state switch technology based on the metal - insulator - transition of vanadium dioxide","authors":"C. Hillman, P. Stupar, J. Hacker, Z. Griffith, M. Field, M. Rodwell","doi":"10.1109/MWSYM.2014.6848479","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848479","url":null,"abstract":"A new ultra-low-loss and broad band millimeter wave switch technology based on the reversible metal / insulator phase transition of vanadium dioxide has been developed. We report having fabricated series configured, single-pole single-throw (SPST) switches having measured S-parameters from DC to 110 GHz. The on-state insertion loss is 0.2 dB and off-state isolation is 21 dB at 50 GHz. The resulting impedance contrast ratio, ZOFF/ZON, is greater than 500:1 at 50GHz (i.e. cut-off frequency fc ~ 40 THz). As a demonstration of the technology's utility, we also present the results of a 2-bit real time delay phase shifter incorporating a pair of VO2 SP4T switches. This switch technology's high impedance contrast ratio combined with its compactness, ease of integration, and low voltage operation make it an enabler of previously unachievable high-performance millimeter wave FPGAs.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116434048","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}
S. Kohler, Ming-Chak Ho, Z. Levine, P. Vernier, P. Lévêque, D. Arnaud-Cormos
{"title":"Electrical analysis of cell membrane poration induced by an intense nanosecond pulsed electric field, using an atomistic-to-continuum method","authors":"S. Kohler, Ming-Chak Ho, Z. Levine, P. Vernier, P. Lévêque, D. Arnaud-Cormos","doi":"10.1109/MWSYM.2014.6848464","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848464","url":null,"abstract":"Pulsed electric fields of nanosecond duration and high intensity (in the megavolt-per-meter range) have the ability to trigger functional modifications in biological cells, without irreversible disruption of the cell membranes. Although the biophysical mechanisms underlying the induced biological effects are not yet clear, promising applications have been found in biology, medicine and environment. Applications in medicine include cancer treatment, acceleration of wound healing or pain control. Transient nanometer-sized pores are believed to form on a nanosecond time scale in cell membranes exposed to high-intensity nanosecond pulsed electric fields. Direct observation of pore creation has not yet been achieved due to the involved spatiotemporal scales and the experimental constraints. In this study, we combine molecular dynamics (MD) simulations and a quasi-static approach using a custom implementation of the 3D finite-difference method to investigate the interactions that drive pore formation in cell membranes exposed to an intense nanosecond pulsed electric field. The developed method allows to compute and map at cell membranes the 3D spatiotemporal profiles of the electric potentials, electric fields and electric field gradients with atomistic details and subnanosecond dynamics.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117278078","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}
{"title":"Preconditioned adaptive integral method for fast electromagnetic analysis of arrays of through-silicon vias","authors":"A. Rong, A. Cangellaris, Feng Ling","doi":"10.1109/MWSYM.2014.6848535","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848535","url":null,"abstract":"A preconditioned adaptive integral method is presented for the expedient extraction of the broadband scattering parameters of large arrays of through-silicon vias. The method relies on a proper decomposition of the original kernel functions in the Foldy-Lax based integral equation statement of the pertinent electromagnetic boundary value problem to generate translation-invariant expressions. Thus, Fast-Fourier Transform based convolution can be used for the efficient calculation of the matrix vector products in the Krylov projection-based iterative solution of the sparse matrix equation resulting from the numerical approximation of the governing integral equation. A multi-frontal preconditioner is constructed and implemented for the Krylov projection-based iterative solution of the sparse matrix. The accuracy of the proposed methodology is validated through comparison with HFSS™-obtained scattering parameters of a simple through-silicon via arrays, while its capacity in handling large arrays is demonstrated through its application to the analysis of a 25×25 TSV array.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124088072","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}
S. Suyama, Jiyun Shen, A. Benjebbour, Y. Kishiyama, Y. Okumura
{"title":"Super high bit rate radio access technologies for small cells using higher frequency bands","authors":"S. Suyama, Jiyun Shen, A. Benjebbour, Y. Kishiyama, Y. Okumura","doi":"10.1109/MWSYM.2014.6848637","DOIUrl":"https://doi.org/10.1109/MWSYM.2014.6848637","url":null,"abstract":"This paper overviews super high bit rate radio access technologies using higher frequency bands for future radio access for 5G. In small cells using higher frequency bands based on the Phantom Cell concept in which radio links for the control (C)-plane and user (U)-plane are separately connected to a macro cell and small cell, radio access technologies employing Massive Multiple-Input Multiple-Output (MIMO) are described that achieve super high bit rate transmission. Specifically, on the basis of 11 GHz band 8×16 MIMO and 24×24 MIMO preliminary investigations, we estimate the required transmission power for 20 Gbps transmission in 20 GHz band Massive MIMO. In addition, we show the basic performance of 20 GHz band Massive MIMO based on link level simulations.","PeriodicalId":262816,"journal":{"name":"2014 IEEE MTT-S International Microwave Symposium (IMS2014)","volume":"248 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126153057","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}