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2016 IEEE International Frequency Control Symposium (IFCS)最新文献

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Intrinsic feedthrough current cancellation in a seesaw CMOS-MEMS resonator for integrated oscillators 集成振荡器用跷跷板式CMOS-MEMS谐振器的本征馈通电流抵消
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546801
M. Riverola, G. Sobreviela, A. Uranga, N. Barniol
{"title":"Intrinsic feedthrough current cancellation in a seesaw CMOS-MEMS resonator for integrated oscillators","authors":"M. Riverola, G. Sobreviela, A. Uranga, N. Barniol","doi":"10.1109/FCS.2016.7546801","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546801","url":null,"abstract":"The parasitic feedthrough capacitance that inherently appears in capacitive transduced MEMS resonators presents two main drawbacks: it partially, or even totally, masks the magnitude of the resonance peak; and also, it reduces the π-phase transition produced by the resonance peak. This reduction in the phase transition not only complicates to meet the Barkhausen's phase condition in oscillator systems, but also it reduces the quality factor, deteriorating in this way the phase noise performance of oscillator systems. In this paper, we report on the initial experimental demonstration of a dual-mode seesaw CMOS-MEMS resonator that intrinsically mitigates the effect of the parasitic current on the magnitude and phase of the resonance frequency. Finally, a dual-clock application with the presented dual-mode resonator is proposed and experimentally demonstrated.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127919067","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
Frequency reference for crystal free radio 频率参考晶体自由无线电
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546749
O. Khan, B. Wheeler, D. Burnett, F. Maksimovic, Sahar M. Mesri, K. Pister, A. Niknejad
{"title":"Frequency reference for crystal free radio","authors":"O. Khan, B. Wheeler, D. Burnett, F. Maksimovic, Sahar M. Mesri, K. Pister, A. Niknejad","doi":"10.1109/FCS.2016.7546749","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546749","url":null,"abstract":"To reduce the cost of a sensor node, complete system integration implies zero external components. A system solution is therefore presented to calibrate the frequency of an on-chip relaxation oscillator to be used as a frequency reference for low power crystal free wireless communication.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132756253","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: 12
Miniaturized digital oven-control microsystem with high power efficiency and ±1.8ppm frequency drift 小型化数字烤箱控制微系统，功率效率高，频率漂移±1.8ppm
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7563578
J. Woo, Donguk Yang, K. Najafi, Sangwoo Lee, J. Mitchell
{"title":"Miniaturized digital oven-control microsystem with high power efficiency and ±1.8ppm frequency drift","authors":"J. Woo, Donguk Yang, K. Najafi, Sangwoo Lee, J. Mitchell","doi":"10.1109/FCS.2016.7563578","DOIUrl":"https://doi.org/10.1109/FCS.2016.7563578","url":null,"abstract":"This paper introduces a digital pulse width modulation technique for MEMS oven-control system. The proposed method generates digital, pulse width modulated signals from analog signals produced by a proportional-integral-derivative controller. This technique, therefore, provides good digital properties, such as better design scalability and higher power efficiency. These advantages are confirmed with an oven-control system for a commercial 6-axis inertial measurement unit. As a result, the oven-control system is fabricated on a single printed circuit board measuring 42mm×42mm×10mm and the power efficiency is increased to 94.4%. The entire system shows ±1.8ppm frequency drift during a thermal-cycle test, from -40°C to 85°C with the rate of the change 1°C/min.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133006908","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
High spectral purity OEO (Opto-Electronic Oscillator) for high dynamic environment platform 高光谱纯度OEO(光电振荡器)用于高动态环境平台
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546805
J. Lesage, Christoph Hallet, M. Le Pipec
{"title":"High spectral purity OEO (Opto-Electronic Oscillator) for high dynamic environment platform","authors":"J. Lesage, Christoph Hallet, M. Le Pipec","doi":"10.1109/FCS.2016.7546805","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546805","url":null,"abstract":"Generation and distribution of very low phase noise and spurious-free microwave Local Oscillator (LO) is needed for most of the radar or electronic warfare applications. Microwave optical technologies are well dedicated to this purpose. In a previous paper, we have studied a directly-modulated optical link. Thanks to new experimentations with external-modulated optical links, we compare those two kinds of optical link with coaxial cable link, while subjected to severe environmental conditions. Then, we design, realize and optimize three OEO with the external modulation links at 3.2, 10 and 26 GHz. Finally, we implement an electronic active compensation of vibration in the realized 10 GHz OEO.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134230961","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
Global internet access from space for humanitarian applications 从太空为人道主义应用提供全球互联网接入
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546715
T. Lee
{"title":"Global internet access from space for humanitarian applications","authors":"T. Lee","doi":"10.1109/FCS.2016.7546715","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546715","url":null,"abstract":"The current internet of things leverages existing network infrastructures for communications and control. As devices proliferate in parallel with higher data rate communications and services, existing networks will become increasingly stressed, particularly in remote and underserved regions. There has been a renaissance in interest and investment in space - and suborbital-based high-data-rate communications networks - the internet of space (IoS). IEEE MTT-S, AP-S and EMC-S have joined together to create a technical community that provides global Internet Access from space-based or near-space platforms. Our goal is to ultimately provide Internet access to unreached 4.5B people of the world.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130058918","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: 7
Phase noise measurements of high overtone bulk acoustic wave resonators 高泛音体声波谐振器的相位噪声测量
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546810
E. Vaillant, G. Combe, V. Pétrini, G. Martin, J. Imbaud, T. Baron, F. Sthal, F. Esnault, G. Cibiel, J. Lesage
{"title":"Phase noise measurements of high overtone bulk acoustic wave resonators","authors":"E. Vaillant, G. Combe, V. Pétrini, G. Martin, J. Imbaud, T. Baron, F. Sthal, F. Esnault, G. Cibiel, J. Lesage","doi":"10.1109/FCS.2016.7546810","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546810","url":null,"abstract":"In this paper, a passive measurement system is used to explore the phase noise of high overtone bulk acoustic wave resonators. The chosen overtone is around 373 MHz and the temperature coefficient of frequency at room temperature is 4 ppm/K. The 1/f noise is clearly shown and a flicker floor of about σ<sub>y</sub>_<sub>floor</sub> = 1.5×10<sup>-11</sup> is demonstrated.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122231011","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
Dead-zone free multi-beam atomic sensor for 4He magnetometer 4He磁强计无死区多束原子传感器
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546759
W. Gong, Haidong Wang, Teng Wu, Zaisheng Lin, Wenhao Li, Xiang Peng, Jingbiao Chen, Hong Guo
{"title":"Dead-zone free multi-beam atomic sensor for 4He magnetometer","authors":"W. Gong, Haidong Wang, Teng Wu, Zaisheng Lin, Wenhao Li, Xiang Peng, Jingbiao Chen, Hong Guo","doi":"10.1109/FCS.2016.7546759","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546759","url":null,"abstract":"A multi-beam atomic sensor with three orthogonal helium vapor cells to guarantee the availability of 4He magnetometer under different directions of magnetic field is proposed and tested, which demonstrates experimentally that dead zones of magnetic field measurement can be eliminated. Furthermore, with the special optical design, the multi-beam atomic sensor is also used for laser frequency stabilization simultaneously, which shows the possibility of reducing heading errors caused by the light shift effect.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"6 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113964993","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
SAW reflective delay line multi-transit analysis SAW反射延迟线多轨分析
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546738
D. Malocha
{"title":"SAW reflective delay line multi-transit analysis","authors":"D. Malocha","doi":"10.1109/FCS.2016.7546738","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546738","url":null,"abstract":"This paper presents a multi-echo transit analysis for one-port reflective delay line SAW sensors. The closed form solution for the mixed-parameter analysis is presented. A discussion and results for SAW RFID and sensor delay lines is presented. The results are also applicable to delay lines having identical transducers.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123641852","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
IEC/TC 49's International Standardization activities on quartz crystal devices IEC/TC 49石英晶体器件的国际标准化活动
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546727
M. Okazaki, Yasushi Yamamoto
{"title":"IEC/TC 49's International Standardization activities on quartz crystal devices","authors":"M. Okazaki, Yasushi Yamamoto","doi":"10.1109/FCS.2016.7546727","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546727","url":null,"abstract":"International Standards are becoming significantly important for worldwide trading. IEC/TC49 is developing the technical standards for piezoelectric, dielectric and electrostatic devices for frequency control, selection and detection, which technologies are very strongly related with FCS. This paper introduces IEC/TC49's organization and its activities.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114434152","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 new steering strategy for UTC(NTSC) based on hydrogen maser 基于氢脉泽的UTC(NTSC)转向新策略
2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI: 10.1109/FCS.2016.7546762
Shuhong Zhao, S. Dong, L. Qu, Haibo Yuan, Shanshan Bai, Wenjun Wu, Xiang Wang, Dongshan Yin
{"title":"A new steering strategy for UTC(NTSC) based on hydrogen maser","authors":"Shuhong Zhao, S. Dong, L. Qu, Haibo Yuan, Shanshan Bai, Wenjun Wu, Xiang Wang, Dongshan Yin","doi":"10.1109/FCS.2016.7546762","DOIUrl":"https://doi.org/10.1109/FCS.2016.7546762","url":null,"abstract":"National Time Service Center, Chinese Academy of Sciences(NTSC) has taken the charge of the national standard time UTC(NTSC). The difference between UTC(NTSC) and UTC has not exceeded ±20ns ever since 2012, which is notable achievements in high precision time-keeping. But short-term(<;5 d) stability of UTC(NTSC) is poor, and the robustness and accuracy of UTC(NTSC) is also what we want to improve, therefore a hydrogen maser is used as master clock instead of a cesium clock, Hydrogen maser clocks usually exhibits apparent frequency drift. To handle this problem, we compared performance of hydrogen maser clocks with that of cesium clocks, and proposed a new steering algorithm, which is testified with data in our Time-keeping laboratory. Result shows that the time difference between UTC(NTSC) and UTC was always less than 10ns, and local time scale UTC(NTSC) has better short-term frequency stability during the time between April 2015 and April 2016.","PeriodicalId":122928,"journal":{"name":"2016 IEEE International Frequency Control Symposium (IFCS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129950193","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
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