Zobrazeno 1 - 10
of 309
pro vyhledávání: '"Dal Ahn"'
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 4, Pp 355-361 (2023)
This paper proposes a novel Doherty combiner that uses a series and parallel resonant circuit for wideband. Unlike conventional combiners, the aim of the proposed combiners is to extend bandwidth for not only the magnitude bandwidth, but also phase b
Externí odkaz:
https://doaj.org/article/0e29410dde6d4e829e7e49ebed451925
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 2, Pp 165-170 (2023)
In this paper, we propose a wideband balun using integrated passive device (IPD) technology. The proposed circuit is designed to compensate for the magnitude deviations by differentiating the magnitude S-parameter and calculating the lumped component
Externí odkaz:
https://doaj.org/article/d8709654e538497984fa9a57ec473951
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 22, Iss 5, Pp 550-554 (2022)
In this paper, we propose a small-sized Doherty combiner with phase variation compensation using low temperature co-fired ceramic (LTCC) substrate. The proposed design theory for the Doherty combiner is derived using the phase calculation of the S-pa
Externí odkaz:
https://doaj.org/article/6a3f48ef8d96470781a5f3dff1410a7b
Publikováno v:
Applied Sciences, Vol 11, Iss 9, p 4148 (2021)
A modified Wilkinson Power Divider is proposed in this paper that utilizes defected ground structure (DGS) in parallel with an isolation resistor. The proposed DGS section is incorporated between the output ports, and the isolation resistor is solder
Externí odkaz:
https://doaj.org/article/f8a06c027d0b43d997ff04d23ce791ff
Publikováno v:
International Journal of Antennas and Propagation, Vol 2015 (2015)
A new compact energy-harvesting module is proposed with compact design techniques. The rectifying circuit eliminates the band-pass filter and matching circuit, based on an active antenna concept and a direct matching technique. For exact circuit impe
Externí odkaz:
https://doaj.org/article/be100a625ff743eeb77593a8db3c7a7f
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
Externí odkaz:
https://doaj.org/article/3092e13f29ef4f249542f4211e618b3d
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
A new flexible microwave tag system using a frequency-scanning type RFID is proposed with multiple resonators based on defected ground structures (DGSs). The proposed system achieves fully passive tag systems using multiple resonators with a spiral-s
Externí odkaz:
https://doaj.org/article/da5fceebccaa4e70a9e691a9962bdb88
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
A new defected ground structure (DGS) microstrip line that is free from the ground contact problem is described together with its application example. The proposed DGS microstrip line adopts a double-layered substrate. The first layer contains the mi
Externí odkaz:
https://doaj.org/article/f76a491fe94e4fffb71c68f5a7882307
Publikováno v:
Journal of Information & Communication Convergence Engineering; Sep2024, Vol. 22 Issue 3, p173-180, 8p
Publikováno v:
Journal of Information & Communication Convergence Engineering; Mar2024, Vol. 22 Issue 1, p14-22, 9p