Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Xueyang Geng"'
Publikováno v:
Green Chemistry. 21:5113-5117
In this paper, a novel and efficient one-pot synthesis of 2,2,2-trifluoroethylphenanthridines (4) and benzochromenones (5) through three-component reactions of vinyl azides (1) with cyclic α-diazo carbonyl compounds (2) and Togni's reagent (3) is pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba45df0f43fee22272769273f389e195
https://doi.org/10.1039/c9gc02001b
https://doi.org/10.1039/c9gc02001b
Autor:
J. David Irwin, Jianjun Yu, Joseph D. Cali, Fa Foster Dai, Xueyang Geng, Feng Zhao, Richard C. Jaeger, Xin Jin, Yuan Yao, Yuehai Jin, Desheng Ma
Publikováno v:
IEEE Journal of Solid-State Circuits. 49:1905-1915
This paper presents an X-band chirp radar transceiver with bandwidth reduction for range detection. The radar transceiver includes a super-heterodyne receiver including an ADC, a direct-digital synthesizer (DDS) based transmitter and a phase-locked l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2584fe311a28303f87d735a0ae3a6a61
https://doi.org/10.1109/jssc.2014.2315650
https://doi.org/10.1109/jssc.2014.2315650
Autor:
M. Mojarradi, Troy D. England, R. Frampton, Jim Holmes, Richard W. Berger, Fa Foster Dai, Michael L. Alles, John D. Cressler, Xueyang Geng, R. Garbos, Patrick McCluskey, L. Peltz, Chandradevi Ulaganathan, Robert A. Reed, Alan Mantooth, C. Eckert, Wayne Johnson, R.M. Diestelhorst, Benjamin J. Blalock, K. Cornett
Publikováno v:
IEEE Aerospace and Electronic Systems Magazine. 27:25-34
We have described the modeling, circuit design, system integration, and measurement of a Remote Sensor Interface (Figure 20) that took place over a span of 5 years and 8 fabrication cycles. It was conceived as part of the Multi-Chip Module (MCM) show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71b418a76085db7d5c8ff8721a3f657c
https://doi.org/10.1109/maes.2012.6328550
https://doi.org/10.1109/maes.2012.6328550
Autor:
Fa Foster Dai, Xueyang Geng
Publikováno v:
IEEE Journal of Solid-State Circuits. 45:1669-1677
This paper presents a transformer-coupled varactor- less quadrature current-controlled oscillator (QCCO) RFIC covering the entire X-Band from 8.7 GHz to 13.8 GHz. The QCCO incorporates a transformer-coupled technique that achieves frequency tuning by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::793d79b593f2e4227ffc5b8fe80ee107
https://doi.org/10.1109/jssc.2010.2051266
https://doi.org/10.1109/jssc.2010.2051266
Publikováno v:
IEEE Journal of Solid-State Circuits. 45:944-954
This paper presents a 24-bit 5.0 GHz ultrahigh-speed direct digital synthesizer (DDS) with direct digital modulation capabilities used in a pulse compression radar. This design represents the first DDS RFIC in over-GHz output frequency range with dir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6aaac3db1fb7a0c8b329a1e63b0de9c4
https://doi.org/10.1109/jssc.2010.2041398
https://doi.org/10.1109/jssc.2010.2041398
Publikováno v:
IEEE Journal of Solid-State Circuits. 45:300-313
This paper presents a low power, ultrahigh-speed and high resolution SiGe DDS MMIC with 11-bit phase and 10-bit amplitude resolutions. Using more than twenty thousand transistors, including an 11-bit pipeline accumulator, a 6-bit coarse sine-weighted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a34e446d8d9770fe3fac75cc60d64252
https://doi.org/10.1109/jssc.2009.2037542
https://doi.org/10.1109/jssc.2009.2037542
Autor:
Yuehai Jin, Andre Aklian, Feng Zhao, Fa Foster Dai, Xueyang Geng, J. David Irwin, Richard C. Jaeger, Yuan Yao, Jianjun Yu, Desheng Ma, Joseph D. Cali
Publikováno v:
2013 IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM).
This paper presents an X-band chirp radar receiver with bandwidth reduction for range detection. The proposed receiver is composed primarily of a RF front end with reconfigurable bandwidth, a receiver baseband and an ADC. The receiver uses dual down-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d10aba46a3a8573aa47d58d64e3ac0f
https://doi.org/10.1109/bctm.2013.6798139
https://doi.org/10.1109/bctm.2013.6798139
Autor:
Andre Aklian, Jianjun Yu, Feng Zhao, Fa Foster Dai, Xueyang Geng, J. David Irwin, Joseph D. Cali, Desheng Ma
Publikováno v:
CICC
A single-chip X-band chirp radar transceiver with direct digital synthesis (DDS) for chirp generation is presented. The radar chip, including receiver, transmitter, quadrature DDS, phase-locked loop (PLL) and analog to digital converter (ADC), has be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4985ab509a72fc462cd62ef5560f2f79
https://doi.org/10.1109/cicc.2012.6330617
https://doi.org/10.1109/cicc.2012.6330617
Autor:
M. Mojarradi, Fa Dai, John D. Cressler, Jeremy A. Yaeger, Zhenqi Chen, Alan Mantooth, Richard W. Berger, Desheng Ma, Benjamin J. Blalock, Xueyang Geng
Publikováno v:
2011 IEEE Bipolar/BiCMOS Circuits and Technology Meeting.
High speed channel (HSC) resistive sensor interface is an analog sampling channel designed for measuring the resistance variations with data rate at 5 kHz. It measures the external resistance variation and digitizes the received signal using a 12-bit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::800e50509ea794fdf57a8c8803fe801d
https://doi.org/10.1109/bctm.2011.6082753
https://doi.org/10.1109/bctm.2011.6082753
Autor:
Fa Foster Dai, Xueyang Geng
Publikováno v:
2009 IEEE Bipolar/BiCMOS Circuits and Technology Meeting.
This paper presents an 8.7–13.8 GHz transformer-coupled varactor-less quadrature current-controlled oscillator (QCCO) RFIC. It incorporates a transformer-coupled technique and tuned by varying the operation current through the primary and secondary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e6b345399fa919b78deee0126715e4a
https://doi.org/10.1109/bipol.2009.5314154
https://doi.org/10.1109/bipol.2009.5314154