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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 41  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
ICTSSL, CAS 2025-01-24
11:25
Tokyo (Tokyo, Online)
(Primary: On-site, Secondary: Online)
3.7/28 GHz Band Diplexer for 5G Applications
Rui Amatsu, Junichiro Matsuki, Hiroki Matsuura, Akehito Shiotake, Koji Wada (UEC) CAS2024-96 ICTSSL2024-54
In this study, 3.7/28 GHz band diplexer is proposed for 5G applications . This diplexer has been rarely reported because... [more] CAS2024-96 ICTSSL2024-54
pp.92-97
EST 2025-01-24
14:20
Okinawa Ishigaki Civic Hall (Okinawa) A study on design and prototyping of chipless tag with notch filter configuration -- About tag design and characteristic verification using phase difference detection method --
Mitsuo Makimoto, Morikazu Sagawa (UEC), Fuminori Sakai (Sakura Tech Corp.), Koji Wada (UEC) EST2024-117
 [more] EST2024-117
pp.126-131
MSS, CAS, IPSJ-AL [detail] 2024-11-26
14:30
Hokkaido (Hokkaido) Fabrication and design methodology of a 21GHz wideband microstrip line BPF using ring resonators with stubs
Akehito Shiotake, Hiroki Matsumura, Junichiro Matsuki, Koji Wada (UEC) CAS2024-65 MSS2024-30
A 21,GHz bandpass filter with a wide passband from 14,GHz to 28,GHz using a stub-loaded Stepped Impedance Ring Resonator... [more] CAS2024-65 MSS2024-30
pp.15-19
MSS, CAS, IPSJ-AL [detail] 2024-11-26
14:50
Hokkaido (Hokkaido) A Study on Shield Fabrication for Microstrip Line Bandpass Filter
Hiroki Matsuura, Akehito Shiotake, Koji Wada (UEC) CAS2024-66 MSS2024-31
In order to increase the attenuation in the cutoff band of planar filters, it is known that a using shielding case is ef... [more] CAS2024-66 MSS2024-31
pp.20-25
VLD, CAS, SIP, MSS 2024-07-19
09:55
Aomori (Aomori, Online)
(Primary: On-site, Secondary: Online)
Design of LTCC-based Balanced BPF with Coupled-line Resonators and Ring Resonators
Tatsuyoshi Tanii, Koji Wada, Hiroki Matsuura (UEC) CAS2024-15 VLD2024-15 SIP2024-32 MSS2024-15
In this study, a balanced band pass filter (BPF) using a coupled-line resonators and resonators with ring is proposed an... [more] CAS2024-15 VLD2024-15 SIP2024-32 MSS2024-15
pp.79-84
VLD, CAS, SIP, MSS 2024-07-19
13:25
Aomori (Aomori, Online)
(Primary: On-site, Secondary: Online)
A Prototype of 21 GHz Wideband Bandpass Filter using a Stub-Loaded Resonator and T-shape Stubs
Hiroki Matsuura, Sho Kasai, Koji Wada (UEC) CAS2024-20 VLD2024-20 SIP2024-37 MSS2024-20
A21 GHz-band wideband bandpass filter that has 14−28 GHz passband is proposed to improvewater vapor radiometer performan... [more] CAS2024-20 VLD2024-20 SIP2024-37 MSS2024-20
pp.106-110
ICTSSL, CAS 2024-01-25
15:50
Kanagawa (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
Design of high-frequency diplexer robust to variations in chip elements and conductor patterns based on cutoff frequency
Shotaro Nakata, Koji Wada (UEC) CAS2023-95 ICTSSL2023-48
In this study, the diplexer composed of LPF (Low Pass Filter) and HPF (High Pass Filter) using chip elements and conduct... [more] CAS2023-95 ICTSSL2023-48
pp.60-65
MW 2023-05-18
15:10
Kyoto Ritsumeikan University (Kyoto, Online)
(Primary: On-site, Secondary: Online)
A design method for miniaturized multiplexer based on a novel substrate integrated defect ground structure
Weiyu Zhou, Koji Wada (UEC), Kenichi Ohta (Bifröstec Inc.) MW2023-10
This paper proposes a new structure based on a substrate integrated defect ground structure (SIDGS), and a miniaturized ... [more] MW2023-10
pp.6-11
MW 2023-03-03
15:10
Tottori Tottori Univ. (Tottori, Online)
(Primary: On-site, Secondary: Online)
[Invited Talk] Wideband filters and their application to Multiplexers
Koji Wada (UEC) MW2022-178
 [more] MW2022-178
pp.118-123
ICTSSL, CAS 2023-01-27
16:00
Tokyo TBD (Tokyo, Online)
(Primary: On-site, Secondary: Online)
Ultrawideband Absorptive Common-mode Microstrip Line Filter Based on Resistive Defected Ground Structure
Akihiro Narushima, Koji Wada, Fengchao Xiao (UEC) CAS2022-92 ICTSSL2022-56
In this study, we propose a bidirectional absorptive common-mode filter(A-CMF) with ultrawideband characteristics by usi... [more] CAS2022-92 ICTSSL2022-56
pp.145-150
ICTSSL, CAS 2023-01-27
16:20
Tokyo TBD (Tokyo, Online)
(Primary: On-site, Secondary: Online)
Dual power supply based tunable BPF with tunability of center frequency and bandwidth using tunable LPF and tunable HPF
Wataru Taniuchi, Koji Wada (UEC) CAS2022-93 ICTSSL2022-57
This paper proposes a dual power supply based tunable bandpass filter (BPF) with tunability of center frequency and band... [more] CAS2022-93 ICTSSL2022-57
pp.151-156
ICTSSL, CAS 2023-01-27
16:40
Tokyo TBD (Tokyo, Online)
(Primary: On-site, Secondary: Online)
Basic characteristics of multi layer F-SIW resonators and their applications to multiplexer.
Hiroto Oguchi, Koji Wada (UEC) CAS2022-94 ICTSSL2022-58
 [more] CAS2022-94 ICTSSL2022-58
pp.157-162
ICTSSL, CAS 2023-01-27
17:00
Tokyo TBD (Tokyo, Online)
(Primary: On-site, Secondary: Online)
21GHz-band wideband microstrip line bandpass filter using ring resonator and interdigital couplings
Kota Ishimura, Koji Wada (UEC), Noriaki Kawaguchi (NAOJ) CAS2022-95 ICTSSL2022-59
In this study, the design of a 21GHz-band bandpass filter (BPF) using a ring resonator and an interdigital coupled line ... [more] CAS2022-95 ICTSSL2022-59
pp.163-167
AP, MW
(Joint)
2022-09-14
15:40
Ehime The Museum of Art, EHIME (Ehime, Online)
(Primary: On-site, Secondary: Online)
Study of Tunable BPF for Software Defined Radio with High Tuning Ratio of Center Frequency
Akehito Shiotake, Satoshi Ono, Koji Wada (UEC) MW2022-69
Software-defined radio (SDR) technique is widely used as receivers in many wireless systems.
The Bandwidth of the SDR r... [more]
MW2022-69
pp.7-12
ED, MW 2022-01-27
14:40
Online Online (Online) [Invited Lecture] Study of compact diplexer using common resonators consisting of coupled lines and chip capacitors
Satoshi Ono, Koji Wada (UEC) ED2021-65 MW2021-107
A chip capacitor coupled common resonator which consisted chip capacitor loaded type coupled line resonators is proposed... [more] ED2021-65 MW2021-107
pp.16-21
MW 2021-12-17
09:30
Kanagawa Kawasaki City Industrial Promotion Hall (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
High-precision design of microstrip BPF considering the influence of cross coupling and the deviation of resonance frequency
Yuga Umemoto, Satoshi Ono, Koji Wada (UEC) MW2021-95
In this study, we propose a calculation method of design parameters for bandpass filter (BPF) considering a cross-coupli... [more] MW2021-95
pp.61-66
EST, MW, EMCJ, IEE-EMC [detail] 2021-10-08
13:50
Online Online (Online) Design of a three-section-type Quadrature Hybrid Coupler using broad-side and offset coupled lines in stripline structure
Tsuyoshi Narita, Satoshi Ono, Koji Wada (UEC) EMCJ2021-49 MW2021-61 EST2021-51
In this study, a three-section-type quadrature hybrid coupler for an IF(Intermediate frequency)-band image rejection mix... [more] EMCJ2021-49 MW2021-61 EST2021-51
pp.106-111
ICTSSL, CAS 2020-01-31
14:00
Tokyo   (Tokyo) Study on a tunable multiplexer composed of tunable second-order BPFs using BST varactor loaded asymmetric hairpin resonators featuring easy adjustable of coupling coefficients.
Haruka Ogikubo, Satoshi Ono, Koji Wada (UEC) CAS2019-89 ICTSSL2019-58
This report proposed an asymmetric hairpin resonator loaded with a BST varactor which is a variable capacitor made of ${... [more] CAS2019-89 ICTSSL2019-58
pp.131-136
ICTSSL, CAS 2020-01-31
16:55
Tokyo   (Tokyo) Study on high accurate equivalent circuit of EBG structure for suppressing unwanted waveguide modes and design for miniaturized BPF using PRGW structure
Keisuke Furuya, Satoshi Ono, Koji Wada (UEC) CAS2019-96 ICTSSL2019-65
 [more] CAS2019-96 ICTSSL2019-65
pp.163-168
MW 2018-11-16
11:30
Nagasaki Fukue Cultural Hall (Nagasaki) Realization of Flat Passband Characteristics for BPF Using Resistor Loaded Hairpin Shaped Resonators
Tomohiro Tsukushi, Satoshi Ono, Koji Wada (UEC) MW2018-109
In this study, firstly, the single mode resistor loaded hairpin shaped resonator is proposed. It is shown using some equ... [more] MW2018-109
pp.89-94
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