Výsledky vyhledávání - "Stephen R. Gilbert"

1.5-GHz voltage controlled oscillator with 3% tuning bandwidth using a two-pole DSBAR filter

Autor: I.D. Avramov, Stephen R. Gilbert, Richard C. Ruby

Publikováno v: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 58:916-923

First results on a novel voltage controlled oscillator (VCO) in the lower gigahertz range, featuring excellent phase noise and high power efficiency are presented. The heart of the VCO is a recently reported novel miniature two-pole decoupled stacked

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a11d00f4f17d30e8c0bae684eba6ca7
https://doi.org/10.1109/tuffc.2011.1892

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Ultra-miniature coupled resonator filter with single-layer acoustic coupler

Autor: Tiberiu Jamneala, U. Koelle, Stephen R. Gilbert, Alexandre Shirakawa, Phil Nikkel, Richard C. Ruby, C. Feng

Publikováno v: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 56:2553-2558

Coupled resonator filters designed using a single-layer coupler require coupling materials with an acoustic impedance less than 5.0 MRayl. Carbon-doped oxide, with an acoustic impedance of 4.8 MRayl and an acoustic attenuation of 200 to 600 dB/cm at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68864ac3084b4b289fc8481e00119267
https://doi.org/10.1109/tuffc.2009.1342

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Preparation of Pb(Zr,Ti)O3 thin films by metalorganic chemical vapor deposition for low voltage ferroelectric memory

Autor: Scott R. Summerfelt, K. K. Singh, D. Carl, S. Hunter, Jun Amano, D. Ritchey, D. V. Taylor, Stephen R. Gilbert, Theodore S. Moise, Tomoyuki Sakoda, C. Kazemi, B. Bierman, C. Chi, S. Aggarwal

Publikováno v: Journal of Applied Physics. 93:1713-1717

To realize the full potential of high density embedded ferroelectric memory, ferroelectric film thickness must be scaled below 100 nm to ensure that the capacitor operating voltage is compatible with advanced, low voltage logic transistors. In this a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7681948af2f58e1f547f128956104c49
https://doi.org/10.1063/1.1534380

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Manufacturing and reliability of chip-scale packaged FBAR oscillators

Autor: Lori Callaghan, Gerald Ong, Jackie Tan, Steve Ortiz, Rich Ruby, Reed Parker, Stephen R. Gilbert, Frank Bi, Choon Chowe Chen, Martha K. Small, Lexie Kekoa, Norashaz Bin Alias

Publikováno v: 2014 IEEE International Ultrasonics Symposium.

We present a robust, chip-scale packaged FBAR oscillator that is compatible with high volume manufacturing. The oscillator's extremely small size (area < 1 mm2, thickness = 0.23 mm) combined with an SMT-compatible pad design enables integration of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32250c99560d77cf4c414706da44927c
https://doi.org/10.1109/ultsym.2014.0023

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Low jitter FBAR based chip scale precision oscillator

Autor: Reed Parker, Stephen R. Gilbert, Lori Callaghan, Julie E. Fouquet, Martha K. Small, Suresh Sridaran, Rich Ruby, Steve Ortiz, Frank Bi

Publikováno v: 2014 IEEE International Ultrasonics Symposium.

We present a FBAR oscillator that operates at 628MHz, achieves low jitter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::21739b499c011247d28d4c7a72b03510
https://doi.org/10.1109/ultsym.2014.0022

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Deuterium in (Ba,Sr)TiO3 thin films: Kinetics and mechanisms of incorporation and removal during annealing

Autor: Michelle T. Schulberg, R. V. Wang, R. J. Becker, J. H. Ahn, Paul C. McIntyre, L. Wills Mirkarimi, Stephen R. Gilbert

Publikováno v: Journal of Applied Physics. 89:6378-6388

The kinetics of deuterium doping of and removal from polycrystalline (Ba,Sr)TiO3 (BST) thin films during annealing were investigated using secondary ion mass spectrometry depth profiling, and the data were correlated to changes in the electrical beha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71daf2d80c1df1165d7caa458e36adcd
https://doi.org/10.1063/1.1367316

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Plasma etching and electrical characterization of Ir/IrO2/PZT/Ir FeRAM device structures

Autor: P. Chen, Francis G. Celii, Theodore S. Moise, L. Archer, Scott R. Summerfelt, M. W. Russell, S. M. Bilodeau, P. C. Van Buskirk, Daniel J. Vestyck, R. Beavers, Stephen T. Johnston, Stephen R. Gilbert

Publikováno v: Integrated Ferroelectrics. 27:227-241

We report the effect of top electrode structure on the electrical properties of ferroelectric Pb(ZrxTi1-x)O3 (PZT) capacitors. Samples with Ir/PZT/Ir or Ir/IrO2/PZT/Ir stacks were prepared using reactively sputtered Ir/IrO2 (top) and Ir (bottom) elec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8268d5ca900caba18413357938ab2abd
https://doi.org/10.1080/10584589908228471

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Low temperature deposition of Ba1-xSrxTiO3thin films by ECR plasma-enhanced metalorganic chemical vapor deposition

Autor: J. M. Anthony, Stephen R. Gilbert, Theodore S. Moise, Scott R. Summerfelt

Publikováno v: Integrated Ferroelectrics. 21:355-366

The deposition temperature dependence of Ba0.7Sr0.3TiO3 (BST) thin film physical and electrical properties was investigated. Films were deposited between 250 and 500°C by electron cyclotron resonance (ECR) plasmaenhanced liquid source metalorganic c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::78a07cf0c5aceadc39f3cbcd61b1b7b2
https://doi.org/10.1080/10584589808202076

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Sub-10 fs jitter S-band oscillators and VCOs in a 1×1×0.23 mm3 chip scale package

Autor: Steve Ortiz, L. Callaghan, Martha K. Small, Frank Bi, Reed Parker, Stephen R. Gilbert, Richard C. Ruby, Fan Zhang

Publikováno v: 2013 Joint European Frequency and Time Forum & International Frequency Control Symposium (EFTF/IFC).

We present a fourth-design generation Free Running Oscillator and Voltage Controlled Oscillator using integrated bipolar circuitry in the lid wafer with a temperature-compensated FBAR resonator in the base wafer. The goal is to produce a high frequen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03827b77581fda94c5b04d81d68d6a9b
https://doi.org/10.1109/eftf-ifc.2013.6702123

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A low noise 1.5GHz VCO with a 3.75% tuning range using coupled FBAR's

Autor: Stephen R. Gilbert, Manohar Nagaraju, Kannan Aryaperumal Sankaragomathi, Brian Otis, Richard C. Ruby

Publikováno v: 2012 IEEE International Ultrasonics Symposium.

We present the first IC oscillator using acoustically coupled FBAR's with a 3.75% tuning range. The tuning range is higher than previous low-power FBAR oscillators and wide enough to cover the individual ISM bands. The high Q of the resonator enables

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e774a3f2de81c905321b717ec25090bd
https://doi.org/10.1109/ultsym.2012.0550

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