Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Christopher T. Coen"'
Autor:
Arya Moradinia, Clifford D. Cheon, Christopher T. Coen, Nelson E. Lourenco, Adilson S. Cardoso, John D. Cressler
Publikováno v:
2022 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS).
Autor:
Christopher T. Coen, Albin J. Gasiewski, Amirreza Alizadeh, John D. Cressler, Milad Frounchi, Hanbin Ying
Publikováno v:
IEEE Journal of Solid-State Circuits. 56:1464-1474
We present a co-designed Dicke switch and low-noise amplifier (LNA) in which the switch incorporates a transformer-based topology and serves as the input matching network of the LNA. This topology is configured to minimize the amplifier gain mismatch
Autor:
Wyman Williams, Nelson E. Lourenco, Christopher T. Coen, Milad Frounchi, Clifford D. Cheon, John D. Cressler
Publikováno v:
IEEE Microwave and Wireless Components Letters. 30:417-420
This letter presents a novel implementation of a ${V}$ -band single-pole double-throw switch that facilitates the internal calibration of radiometers by integrating an ambient noise source and an avalanche noise source. The switch is implemented in a
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 66:5336-5346
This paper presents a broadband low-loss quadrature-hybrid-based network that enhances the phase and the amplitude matching of quadrature signals. The performance of this network is investigated, and a detailed theoretical analysis is provided. Sever
Autor:
Moon-Kyu Cho, Nelson E. Lourenco, Ickhyun Song, Adilson S. Cardoso, Christopher T. Coen, Douglas R. Denison, John D. Cressler
Publikováno v:
BCICTS
This paper presents a wideband integrated single-tap circuit for a general-purpose, high-performance transversal filter application, and which has been implemented in silicon germanium (SiGe) technology for use in direct-throughput processing of RF s
Autor:
Adrian Ildefonso, Christopher T. Coen, Mason T. Wachter, Pauline Paki, Zachary E. Fleetwood, John D. Cressler, George N. Tzintzarov, Dale McMorrow, Jeffrey H. Warner, Ani Khachatrian
Publikováno v:
IEEE Transactions on Nuclear Science. 65:239-248
This paper demonstrates the use of an RF power detector to sense the occurrence of single-event transients (SETs) in RF circuits and systems. The detector was connected to a low-noise amplifier (LNA), and the relationship between the detector output
Autor:
Mehmet Kaynak, Christopher T. Coen, Bernd Tillack, Ahmet Cagri Ulusoy, John D. Cressler, Adrian Ildefonso, Peter Song
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 64:3631-3642
This paper presents the design and thorough on-wafer characterization of two G-band low-noise amplifiers (LNAs) implemented using 0.13- $\mu \text{m}$ silicon-germanium (SiGe) heterojunction bipolar transistors (HBTs) with peak $f_{T}/f_{\max }$ of 3
Autor:
Ani Khachatrian, Nelson E. Lourenco, Zachary E. Fleetwood, Jeffrey H. Warner, Saeed Zeinolabedinzadeh, Dale McMorrow, Christopher T. Coen, John D. Cressler, Seungwoo Jung, Nicolas J.-H. Roche, Ickhyun Song, Pauline Paki, Farzad Inanlou, Adrian Ildefonso, Stephen P. Buchner
Publikováno v:
IEEE Transactions on Nuclear Science. 63:273-280
The single-event transient (SET) response of a SiGe-based, L-band low-noise amplifier (LNA) is investigated, with a focus on providing recommendations for radiation event simulation techniques. Pulsed-laser, two-photon absorption experiments show tha
Autor:
Christopher T. Coen, Wyman Williams, Milad Frounchi, E. Glenn Lightsey, Tanish Himani, John D. Cressler
Publikováno v:
2018 AIAA Aerospace Sciences Meeting.
Publikováno v:
2017 12th European Microwave Integrated Circuits Conference (EuMIC).
This paper presents the design, optimization, and characterization of a square-law power detector for heterodyne millimeter-wave radiometers implemented using 0.13 μm SiGe HBTs. A 3-dB bandwidth of 19–34 GHz (56% fractional bandwidth) is obtained