Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Shawn J. Cunningham"'
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 67:4905-4913
Linearity characteristics of capacitive tuners under large radio frequency (RF) power have become an important issue for today’s cellphone industry. The use of these devices as antenna tuners has become critically important due to the RF spectrum o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cef739391311bb6b21b4fc60b6e9927c
https://doi.org/10.1109/tmtt.2019.2945273
https://doi.org/10.1109/tmtt.2019.2945273
Publikováno v:
2019 IEEE MTT-S International Microwave Symposium (IMS).
Linearity characteristics of capacitive tuners are an important issue for today’s cellphone market. Antenna tuners have become necessary in mobile devices due to the RF spectrum expansion in the low frequency range. Capacitive tuners connected dire
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dfafbf355e2eec24d481786a0188016
https://doi.org/10.1109/mwsym.2019.8700984
https://doi.org/10.1109/mwsym.2019.8700984
Autor:
Gerald Weis, David Molinero, Rameen Hadizadeh, Anssi Laitinen, Christian Vockerberger, Shawn J. Cunningham
Publikováno v:
2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII).
The ability to integrate a micro-electromechanical systems (MEMS) device within the core of a substrate or printed circuit board (PCB) creates an attractive solution for applications that require dense device integration, a high degree of customizati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::803233ba43d072f2960076c64a85793f
https://doi.org/10.1109/transducers.2019.8808808
https://doi.org/10.1109/transducers.2019.8808808
Autor:
David Molinero, Shawn J. Cunningham
Publikováno v:
2019 Symposium on Design, Test, Integration & Packaging of MEMS and MOEMS (DTIP).
An integrated electro-optical wafer level characterization system is presented to evaluate MEMS devices. The system combines a commercial Laser Doppler Vibrometer and a White Light Interferometer with a set of electrical equipment, from DC to RF, int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3fd8bbd6ab1208eda61c43fb8763841
https://doi.org/10.1109/dtip.2019.8752628
https://doi.org/10.1109/dtip.2019.8752628
Publikováno v:
Journal of Microelectromechanical Systems. 25:737-743
Dielectric charging is one of the key topics concerning microelectromechanical capacitive switch reliability; however, very little is known about how charge is generated on an exposed dielectric surface when brought in contact with another dielectric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1677984c2b670f71b4e4612222a6e14d
https://doi.org/10.1109/jmems.2016.2573742
https://doi.org/10.1109/jmems.2016.2573742
Publikováno v:
2018 Asia-Pacific Microwave Conference (APMC).
In this paper, we present the linearity effects of many tunable capacitors connected in parallel in a 50-ohm system. Linearity of tunable capacitors is of key importance to the current cellphone market and to future 5G technology. Typically, these de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c791742c0af3f1133d3c64ba26f0d02a
https://doi.org/10.23919/apmc.2018.8617299
https://doi.org/10.23919/apmc.2018.8617299
Publikováno v:
2018 Asia-Pacific Microwave Conference (APMC).
In this paper, we explain how the board manufacturers' tolerance can affect the extraction of capacitive tuner parameters, thus increasing the variability and uncertainty of the actual model. Model extraction from measurements are a key element of mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74e4e0cdd685f97d7a855e1710c4183b
https://doi.org/10.23919/apmc.2018.8617443
https://doi.org/10.23919/apmc.2018.8617443
Publikováno v:
2017 47th European Microwave Conference (EuMC).
This paper presents a new characterization method to measure the RF power handling of capacitive RF MEMS switches. Historically, the RF power handling was characterized by analyzing the pull-in and release voltage shift under several RF power setting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f5e9cb488e764c2d93369295637971f
https://doi.org/10.23919/eumc.2017.8230858
https://doi.org/10.23919/eumc.2017.8230858
Autor:
Art Morris, Shawn J. Cunningham
Publikováno v:
ECS Transactions. 53:255-263
RF-MEMS are an enabling technology for high performance tunable and reconfigurable communications and radar applications. In this paper, we describe the successful integration of RF-MEMS with a 0.18 µm, high voltage RF-CMOS process that is fabricate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c0e14d56b3546022d014638e6ff5a26
https://doi.org/10.1149/05303.0255ecst
https://doi.org/10.1149/05303.0255ecst
Autor:
Jacob A. Bertrand, Yung-Cheng Lee, David C. Miller, Arthur S. Morris, Ross R. Foster, Shih-Hui Jen, Shawn J. Cunningham, Martin L. Dunn, Steven M. George
Publikováno v:
Sensors and Actuators A: Physical. 164:58-67
Interdigitated humidity sensors with atomic layer deposited (ALD) coatings of aluminum oxide demonstrated no leakage current relative to uncoated sensors stored in the ambient, indicating Al2O3 may be used to limit the effects of H2O and other chemic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de54ea1011b99a2a2eef1c465b7aa526
https://doi.org/10.1016/j.sna.2010.09.018
https://doi.org/10.1016/j.sna.2010.09.018