Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Udo Jorges"'
Publikováno v:
IEEE Journal of Solid-State Circuits. 53:1457-1467
This paper describes a novel distributed amplifier (DA) architecture for ultra-wide band of operation at millimeter-wave frequency. The DA consists of two cascaded single-stage DAs (CSSDAs) embedded in a balanced architecture. The implemented design
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::140b71b94f773c85546e41d63c6d74ca
https://doi.org/10.1109/jssc.2018.2797240
https://doi.org/10.1109/jssc.2018.2797240
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 66:1349-1358
In this paper, a technique to extend the linearity and to improve the efficiency of power amplifiers (PAs) is analyzed. The method avoids complex topologies, often affecting the radio-frequency performance and increasing the power consumption, chip a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c13f766767e8bc5d99fc29d5fc0acf13
https://doi.org/10.1109/tmtt.2017.2772913
https://doi.org/10.1109/tmtt.2017.2772913
Publikováno v:
IET Circuits, Devices & Systems. 9:213-220
This paper presents the design and analysis of a 4-level pulse-amplitude-modulation (4-PAM) 56 Gbit/s vertical-cavity surface-emitting laser (VCSEL) driver integrated circuit (IC) for short range, high speed and low power optical interconnections. An
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55852e3a346ac99a85c72da6cbf6cc9c
https://doi.org/10.1049/iet-cds.2014.0240
https://doi.org/10.1049/iet-cds.2014.0240
Publikováno v:
SMACD
In order to design and simulate broadband communication systems like Ethernet, accurate models up to 375 MHz and efficient simulations are necessary. This paper provides an approach to model analog two-port systems using impedance parameters purely i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd08f8de707d208b1b10f85c79542be3
https://doi.org/10.1109/smacd.2017.7981614
https://doi.org/10.1109/smacd.2017.7981614
Publikováno v:
2017 13th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME).
This paper presents two approaches to model the startup behavior of cross-coupled oscillators for regenerative sampling applications. The first approach closely models the building blocks and connections of the circuit at the device level, whereas th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8af56965e3d16c22af01ce8830dcc70d
https://doi.org/10.1109/prime.2017.7974109
https://doi.org/10.1109/prime.2017.7974109
Publikováno v:
NORCAS
To create a fully integrated very low noise amplifier in CMOS technology without excessive power consumption, it is advantageous to combine the benefits of using a highly scaled technology and integrated coils. The low noise amplifier using a feedbac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3b01abc479eaa4a385cd391d511b135
https://doi.org/10.1109/norchip.2016.7792903
https://doi.org/10.1109/norchip.2016.7792903
Publikováno v:
International Journal of Microwave and Wireless Technologies. 4:505-514
We present a design strategy for a buck converter, which fulfills the high dynamic requirements of efficient envelope amplifier needed by modern efficiency enhancement techniques for power amplifiers. The proposed DC–DC converter has an innovative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a89fd8b1347370e941136e6e093a3287
https://doi.org/10.1017/s1759078712000517
https://doi.org/10.1017/s1759078712000517
Publikováno v:
International Journal of Microwave and Wireless Technologies. 4:435-440
In evaluating the potential of a given integrated-circuit technology, the negative conductance approach is used to estimate a maximum frequency limit for the ability of Heterojunction Bipolar Transistor (HBT) cross-coupled architecture to function as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9986698fb1d65cb7001b41d931412f3e
https://doi.org/10.1017/s1759078712000037
https://doi.org/10.1017/s1759078712000037
Publikováno v:
2015 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC).
In this paper continuous time high-performance current mirrors (CMs) based on series and parallel connected unity sized CMOS transistors suitable for low power applications are presented. It is shown that the proposed implementation techniques allow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39c9c690982f3f011c12d5240ac628da
https://doi.org/10.1109/imoc.2015.7369125
https://doi.org/10.1109/imoc.2015.7369125
Publikováno v:
IET Circuits, Devices & Systems. 3:322-330
In this study, a comprehensive small signal analysis method for quadrature oscillators based on cross-coupled LC-tuned oscillators and parallel coupling is proposed. The analysis is suitable for circuits operating up to millimetre wave frequencies si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e7f1b2b78470a09a73b52869c626729
https://doi.org/10.1049/iet-cds.2009.0130
https://doi.org/10.1049/iet-cds.2009.0130