Zobrazeno 1 - 10
of 439
pro vyhledávání: '"tunable circuits and devices"'
Akademický článek
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Autor:
Ersin Polat, Fynn Kamrath, Stipo Matic, Henning Tesmer, Alejandro Jimenez-Saez, Dongwei Wang, Holger Maune, Michael Hoft, Rolf Jakoby
Publikováno v:
IEEE Journal of Microwaves, Vol 2, Iss 3, Pp 490-495 (2022)
This paper presents a novel hybrid bias concept for liquid crystal (LC) filter by using simultaneously electric and magnetic bias fields. It enables continuous tuning with a simplified electrode design, decreased number of electrodes and reduced bias
Externí odkaz:
https://doaj.org/article/605505860c954ec7a62a7d6b786db60e
Autor:
Fynn Kamrath, Ersin Polat, Stipo Matic, Christian Schuster, Daniel Miek, Henning Tesmer, Patrick Boe, Dongwei Wang, Rolf Jakoby, Holger Maune, Michael Hoft
Publikováno v:
IEEE Journal of Microwaves, Vol 2, Iss 1, Pp 134-144 (2022)
This paper presents for the first time a fully electronically reconfigurable waveguide filter tunable in bandwidth and center frequency based on liquid crystal (LC) technology. A continuously reconfigurable two pole bandpass filter is designed and ch
Externí odkaz:
https://doaj.org/article/200e04fd0d6c462ba88bc7a9cc989975
Publikováno v:
IEEE Access, Vol 9, Pp 16286-16295 (2021)
Tunable Self-Oscillating Switching (TSOS) methods are a robust solution for tuning of Inductive Power Transfer (IPT) systems. However, they require deep analysis to be an appropriate choice for Dynamic Wireless Charging (DWC) systems. In this paper,
Externí odkaz:
https://doaj.org/article/b0b61cd171e64c239b17dfe280800307
Autor:
SACU, I. E., ALCI, M.
Publikováno v:
Advances in Electrical and Computer Engineering, Vol 19, Iss 1, Pp 71-78 (2019)
In this paper, low-voltage active elements based a general filter topology, which provides fractional order low-pass, high-pass, band-pass and band-reject filter responses at the same circuit, is introduced. The designed circuits are simulated by e
Externí odkaz:
https://doaj.org/article/cc3dc2fa3cb04effaf835d2e5075bee4
Autor:
Christian Schuster, Lukas Schynol, Andreas Wentzel, Florian Huhn, Ersin Polat, Sonke Schmidt, Rolf Jakoby, Wolfgang Heinrich, Holger Maune
Publikováno v:
IEEE Access, Vol 7, Pp 123490-123504 (2019)
This paper presents a novel output filter approach for continuously frequency-tunable digital power amplifiers, suitable for future seamless and band-less applications in 5G, e.g. for cognitive radios (CR). The presented tunable output filter is base
Externí odkaz:
https://doaj.org/article/2f3b12ece7234e8d9a80a261dda456ae
Publikováno v:
IEEE Access, Vol 7, Pp 136686-136693 (2019)
This paper is dedicated to the study of the tunable electromagnetic properties of HfO2 doped with Zr (further referred to as HfZrO) grown on high-resistivity silicon using atomic layer deposition (ALD) techniques. Two metallic coplanar lines patterne
Externí odkaz:
https://doaj.org/article/e2f0b420ec8c4d5db235b2fd55317ff6
Autor:
David Rotshild, Daniel Rozban, Efi Rahamim, Asaf Barom, Rotem Yosef, Liel Bhanam, Amir Abramovich
Publikováno v:
Crystals, Vol 12, Iss 7, p 951 (2022)
Lately, metasurface has become an essential and promising component in implementing Intelligent Reflecting Surface (IRS) for 5G and 6G. A novel method that simplifies the ability to reconfigure the metasurface is presented in this paper. The suggeste
Externí odkaz:
https://doaj.org/article/908dc127de81401395a4466869d0decc
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
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Publikováno v:
Advances in Electrical and Computer Engineering, Vol 16, Iss 3, Pp 31-36 (2016)
This paper presents a multifunctional current-mode filter with dual-parameter control of the pole frequency. The filter is of the second order, of single-input triple-output (SITO) type and a required type of the response (low pass, inverting band
Externí odkaz:
https://doaj.org/article/3a5a4087205c43e9a4b1478f7f526e53