Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Hajime Kando"'
Publikováno v:
IEEE Transactions on Components, Packaging and Manufacturing Technology. 9:1669-1679
Power consumption and current fluctuation are continuously increasing in modern multicore systems. Such current flow may cause severe supply noise via off-chip and on-chip power delivery networks (PDN). Unexpected noise impacts the chip delay perform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a573ffe9ca825422a7accf56e9f120a
https://doi.org/10.1109/tcpmt.2019.2913202
https://doi.org/10.1109/tcpmt.2019.2913202
Autor:
Funaki Tatsuya, Toru Sai, Hajime Kando, Takayasu Sakurai, Yoshitaka Yamauchi, Makoto Takamiya
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 65:1654-1658
A 2/3 and 1/2 reconfigurable switched capacitor (SC) dc–dc converter is developed for a per-core dynamic voltage scaling of many-core microprocessors. The power conversion efficiency and the output power density of the SC dc–dc converter in 2/3 m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38564518fb43092e161ae33f79fd285b
https://doi.org/10.1109/tcsii.2017.2762347
https://doi.org/10.1109/tcsii.2017.2762347
Autor:
Yuichi Takamine, Masahiro Hiramoto, Masayoshi Koshino, Takanori Toi, Toshiyuki Fuyutsume, Hisashi Yamazaki, Hideki Iwamoto, Haruki Kyoya, Norio Nakajima, Tsutomu Takai, Takeshi Nakao, Hajime Kando
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 64:1382-1389
To develop the high-performance filters and duplexers required for recent long-term evolution frequency bands in mobile handsets, a surface acoustic wave (SAW) resonator is needed that has a higher quality (Q) and a lower temperature coefficient of f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aad2e50338a4b5a3f5b702b1ae80d19a
https://doi.org/10.1109/tuffc.2017.2738119
https://doi.org/10.1109/tuffc.2017.2738119
Publikováno v:
2018 IEEE 22nd Workshop on Signal and Power Integrity (SPI).
Simple yet accurate on-chip load model is demanded for off-chip power delivery network (PDN) design and verification. Conventionally, a current source that represents a short chip operation period is used for this purpose, but it cannot consider the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14c92d0088c78f5b12af728ff3f5e54c
https://doi.org/10.1109/sapiw.2018.8401655
https://doi.org/10.1109/sapiw.2018.8401655
Autor:
Tsutomu, Takai, Hideki, Iwamoto, Yuichi, Takamine, Hisashi, Yamazaki, Toshiyuki, Fuyutsume, Haruki, Kyoya, Takeshi, Nakao, Hajime, Kando, Masahiro, Hiramoto, Takanori, Toi, Masayoshi, Koshino, Norio, Nakajima
Publikováno v:
IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 64(9)
To develop the high-performance filters and duplexers required for recent long-term evolution frequency bands in mobile handsets, a surface acoustic wave (SAW) resonator is needed that has a higher quality (Q) and a lower temperature coefficient of f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::7140a8d4ed7f6b595fc305d54fbdca71
https://pubmed.ncbi.nlm.nih.gov/28809680
https://pubmed.ncbi.nlm.nih.gov/28809680
Autor:
Norio Nakajima, Takanori Toi, Haruki Kyoya, Masahiro Hiramoto, Tsutomu Takai, Masayoshi Koshino, Hideki Iwamoto, Yuichi Takamine, Toshiyuki Fuyutsume, Takeshi Nakao, Hajime Kando, Hisashi Yamazaki
Publikováno v:
2016 IEEE International Ultrasonics Symposium (IUS).
High Q and low TCF are elemental characteristics for SAW resonator, in order to realize high performance filters and duplexers coping with new LTE frequency bands. Authors focus on the acoustic energy confinement in SAW propagation surface and electr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbd9970c38a23f666bf231095c5cfbcf
https://doi.org/10.1109/ultsym.2016.7728455
https://doi.org/10.1109/ultsym.2016.7728455
Autor:
Hajime Kando
Publikováno v:
The Journal of the Acoustical Society of America. 125:4100-4109
Provided is an elastic boundary-wave device capable of suppressing a high-order mode spuriousness effectively with a relatively simple structure. In the elastic boundary-wave device (1), an IDT electrode (5) is arranged in the boundary between a piez
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81f693c37b7e28dc4004a101c7e439aa
https://doi.org/10.1121/1.3121206
https://doi.org/10.1121/1.3121206
Publikováno v:
Japanese Journal of Applied Physics. 45:4651-4654
In this paper, we report a new structure of a shear horizontal (SH) type boundary acoustic wave for cellular phone applications. Such a structure composed of electrodes with a low shear wave velocity between two materials, namely, the SiO2 film/Au-el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b339e3810ff62c1b011a56a9ca3bbb23
https://doi.org/10.1143/jjap.45.4651
https://doi.org/10.1143/jjap.45.4651
Autor:
Michio Kadota, Hajime Kando
Publikováno v:
Japanese Journal of Applied Physics. 42:3139-3142
A ZnO/quartz substrate is expected to be applied to a intermediate frequency (IF) surface acoustic wave (SAW) filter for which a small size, a low insertion loss, and a good temperature coefficient of frequency (TCF) are necessary because it has a la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cff6288ca406284e5ce270aab308545a
https://doi.org/10.1143/jjap.42.3139
https://doi.org/10.1143/jjap.42.3139
Autor:
Masayoshi Koshino, Masakazu Tani, Katsuhiro Ikada, Takaya Wada, Hidenori Obiya, Norio Nakajima, Makoto Kawashima, Hajime Kando, Takashi Ogami
Publikováno v:
2014 IEEE MTT-S International Microwave Symposium (IMS2014).
A large number of frequency bands have been included in mobile phone handsets and in their RF front end circuit, RF paths have been increasing and the configuration has been becoming complex more and more. A new tunable filter is proposed in this pap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c205160900c485e58a92169157d2fb6
https://doi.org/10.1109/mwsym.2014.6848403
https://doi.org/10.1109/mwsym.2014.6848403