Zobrazeno 1 - 10
of 3 297
pro vyhledávání: '"varactor"'
Publikováno v:
IEEE Access, Vol 12, Pp 89726-89734 (2024)
In this paper, the application of the stepped impedance synthesis technique in the design of tunable wideband substrate integrated waveguide (SIW) Chebyshev filters is explored. By employing Chebyshev transfer functions and stepped impedances, achiev
Externí odkaz:
https://doaj.org/article/6e51142fdb5f4c8d9e49cccb92b5337b
Publikováno v:
IEEE Access, Vol 12, Pp 57443-57457 (2024)
Electronically tuned bandpass filters are crucial frequency-selective devices in tunable RF front-ends and are extensively utilized in the fields of communications and sensing. For low-cost and easy integration, varactor based tunable microstrip filt
Externí odkaz:
https://doaj.org/article/9ca0b8f54f194b0dacfb8a80f8fd0654
Publikováno v:
IEEE Access, Vol 12, Pp 36577-36585 (2024)
In this paper, a fully tunable bandpass filter (BPF) with three states of filtering (single passband state, dual passband state and all-off state) is proposed, the proposed fully tunable BPF is cascaded by a tunable low pass filter section (LP) and a
Externí odkaz:
https://doaj.org/article/13d68f2fbd164a85b130ab73faad69ad
Publikováno v:
Micro, Vol 3, Iss 4, Pp 811-821 (2023)
This paper presents a new MEMS varactor that uses repulsive actuation to achieve an ultra-linear capacitance-to-voltage response. The approach proposed involves actuating the moveable electrode away from the fixed electrode, instead of the convention
Externí odkaz:
https://doaj.org/article/c7ab4c0e713943d4b06c0dca5e645245
Autor:
Shweta Dabas, Manoj Kumar
Publikováno v:
SN Applied Sciences, Vol 5, Iss 11, Pp 1-14 (2023)
Abstract This paper reports two distinct architectures for digitally-controlled oscillators (DCOs) utilizing MOS varactor, designed in TSMC 180 nm CMOS technology. The first DCO design employs a CMOS inverter, while the second design features a Three
Externí odkaz:
https://doaj.org/article/a8105a6c47c14b439b2032c9ccd136e4
Publikováno v:
Alexandria Engineering Journal, Vol 79, Iss , Pp 402-410 (2023)
This paper presents a planar CPW-fed Ultrawideband (UWB) antenna with two independently tunable notch bands. The proposed design consists of a modified Rhombus-shaped monopole structure that is integrated with a dual band-stop filter based on hexagon
Externí odkaz:
https://doaj.org/article/34cac5813ef342329e720dcd09c26a6e
Autor:
Eichler, Alexander, author, Zilberberg, Oded, author
Publikováno v:
Classical and Quantum Parametric Phenomena, 2023, ill.
Externí odkaz:
https://doi.org/10.1093/oso/9780192862709.003.0012
Akademický článek
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Publikováno v:
IEEE Access, Vol 11, Pp 29614-29634 (2023)
Recently reconfigurable intelligent surface (RIS) has attracted great attention because it can create a smart wireless environment. Hence it can enhance the capacity and coverage of the wireless network significantly. A thorough review of RISs has be
Externí odkaz:
https://doaj.org/article/e7c1668171c54d1e9e2bc2e91a3c24b7
Autor:
Greg McFeetors, Michal Okoniewski
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 1 (2023)
The design, fabrication and measurement of a continuously tunable RF MEMS capacitor is described. The capacitor’s dual gap height architecture allows for electrostatic tuning with low resistive loss and a large tuning range. A new dual tuning schem
Externí odkaz:
https://doaj.org/article/68301e9a0a4342afb51630626270c228