Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Kamran Azadet"'
Autor:
Gerhard Knoblinger, Gerald Rauter, Kamran Azadet, Christoph Duller, Daniel Gruber, Martin Clara, Wang Yu-Shan, Patrick Torta, Ramon Sanchez Perez
Publikováno v:
IEEE Journal of Solid-State Circuits. 56:3655-3667
A 16-GS/s single 1.2-V supply direct RF-sampling capacitive D/A converter for soft radio base-station applications is implemented in a 16-nm FinFET technology. Due to co-integration with a wideband on-chip matching network, the D/A converter (DAC) is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1a17582ba672c3d900cbec9da561bfa
https://doi.org/10.1109/jssc.2021.3109489
https://doi.org/10.1109/jssc.2021.3109489
Autor:
Mark Elzinga, Ashoke Ravi, Edwin Thaller, Rotem Banin, Run Levinger, Kamran Azadet, Christian Krassnitzer, Sergey Bershansky, Christoph Duller, Aryeh Farber, Jasmin Kadry, Gil Horovitz, Evgeny Shumaker, Patrick Torta, Nir Geron
Publikováno v:
ISSCC
The demand for massive MIMO, digital beamforming, and increased bandwidth communication dramatically increases the complexity of the remote radio head in future cellular base-stations. This complexity issue can be addressed by RF transceiver SoCs inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c5554f8ca61da2352f595a435b9c4f1
https://doi.org/10.1109/isscc42613.2021.9365775
https://doi.org/10.1109/isscc42613.2021.9365775
Autor:
Daniel Gruber, Ramon Sanchez, Shin Hundo, Martin Clara, Kamran Azadet, Albert Molina, Camponeschi Matteo, Wang Yu-Shan, Patrick Torta, Christoph Duller, Christian Lindholm
Publikováno v:
ISSCC
The integration of complex DSP functions together with the entire RF-frontend enables software-defined base-station radio and mandates the availability of power-efficient and compact data converters in advanced digital CMOS processes. In a self-calib
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::616dc308c498af6e72ef0198766c24a5
https://doi.org/10.1109/isscc42613.2021.9365747
https://doi.org/10.1109/isscc42613.2021.9365747
Autor:
Patrick Torta, Martin Clara, Kamran Azadet, Christoph Duller, Ramon Sanchez, Gerald Rauter, Wang Yu-Shan, Daniel Gruber
Publikováno v:
ISSCC
Future multi-band software-defined-radio base-stations for digital beamforming and massive MIMO applications depend heavily on the availability of highly linear and compact data converters with good power efficiency, while at the same time offering m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a4fc2941ae49945cd2d24fe9a79fbf3
https://doi.org/10.1109/isscc42613.2021.9365744
https://doi.org/10.1109/isscc42613.2021.9365744
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 65:980-987
In this paper, we present a method to implement digital predistortion (DPD) memory models using lookup tables (LUTs) with linear interpolation and extrapolation. We introduce the required set of basis functions to describe this model. The DPD output
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a20d7d4fa2104ab3f6ca8f1cee04b9e1
https://doi.org/10.1109/tmtt.2016.2627562
https://doi.org/10.1109/tmtt.2016.2627562
Publikováno v:
Analog Integrated Circuits and Signal Processing. 87:327-340
This paper presents transistor-level design of a continuous-time delta-sigma modulator with 150 MHz bandwidth in 28 nm CMOS process with 1.4/0.85 V supply. Architectural-level design tradeoff for the high-speed and high-resolution requirement is anal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9d1cf7f8591c71d4747963044b3d11e
https://doi.org/10.1007/s10470-016-0738-9
https://doi.org/10.1007/s10470-016-0738-9
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 62:2898-2907
This paper presents the nonlinearity modeling of a 2.14-GHz gallium nitride Chireix outphasing power amplifier (PA). The outphasing PA consists of two branches of class-F PAs achieving high efficiency and good phase linearity and a transmission-line-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f75fd7579c7871c99cc5875b978d8b95
https://doi.org/10.1109/tcsi.2015.2485718
https://doi.org/10.1109/tcsi.2015.2485718
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 63:2185-2198
This paper presents adaptive phase-only memory digital pre-distortion (DPD) and gain/phase/delay imbalance correction techniques for outphasing power amplifiers (PAs). Least squares adaptation is used for the phase-only DPD and imbalance correction t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d183116841650de4c38bd604db430be
https://doi.org/10.1109/tmtt.2015.2428241
https://doi.org/10.1109/tmtt.2015.2428241
Publikováno v:
IEEE Microwave and Wireless Components Letters. 24:188-190
A 2.14 GHz gallium nitride class-F power amplifier (PA) achieving both high efficiency and phase linearity over a wide frequency range is presented. The broadband PA is designed as one channel of outphasing architecture in cellular base-stations and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa607b251921576c33de2f9c23e04977
https://doi.org/10.1109/lmwc.2013.2292929
https://doi.org/10.1109/lmwc.2013.2292929
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 55:1459-1466
In this paper, we present a low-power small-area electrical backplane equalizer using programmable analog zeros and folded active inductors. We also present a dc-offset cancellation circuit, which occupies less chip area than the traditional offset c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39128809c21968339d213ee4f09c2dda
https://doi.org/10.1109/tmtt.2007.900342
https://doi.org/10.1109/tmtt.2007.900342