Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Shuya Nakagawa"'
Autor:
Tomohisa Miyao, Takahisa Tanaka, Itsuki Imanishi, Masayuki Ichikawa, Shuya Nakagawa, Hiroki Ishikuro, Toshitsugu Sakamoto, Munehiro Tada, Ken Uchida
Publikováno v:
2022 Device Research Conference (DRC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a12b51b2fe4e72a36c731329b12f0ea
https://doi.org/10.1109/drc55272.2022.9855815
https://doi.org/10.1109/drc55272.2022.9855815
Publikováno v:
MWSCAS
This paper proposes a high-accuracy readout system with a high-efficient DC-DC converter. Thanks to a switching DC-DC converter with high conversion efficiency, the power loss in a regulator can be reduced. In the proposed system, sampling is perform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ffdbf18e51c590ed2580c56a88b09d4
https://doi.org/10.1109/mwscas47672.2021.9531820
https://doi.org/10.1109/mwscas47672.2021.9531820
Autor:
Hiroki Ishikuro, Ryota Shimizu, Kenta Tabuchi, Yohsuke Shiiki, Tsunaki Takahashi, Kohei Tatehora, Ken Uchida, Takahisa Tanaka, Shuya Nakagawa, Takeshi Yanagida, Tadahiro Kuroda
Publikováno v:
IEEE Transactions on Electron Devices. 66:5393-5398
H2 and NH3 detection with low power consumption was demonstrated by integrated chemiresistive Pt and PtRh nanosheet sensors on glass substrates. The self-heating effects realized low power and local heating of metal nanosheet sensors, enabling the in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2142ca75b70a6030c3b96639e54634f
https://doi.org/10.1109/ted.2019.2945932
https://doi.org/10.1109/ted.2019.2945932
Publikováno v:
ISCAS
A Time-Domain Resistance-to-Digital Converter (RDC) with a referential 1-bit ΔΣ Modulated variable resistor is proposed. The proposed RDC converts an input resistance to a frequency and compares a referential variable resistor to decrease a sensor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf10dcfd071b3264d3e2bcd18b1e78a4
https://doi.org/10.1109/iscas45731.2020.9180573
https://doi.org/10.1109/iscas45731.2020.9180573
Publikováno v:
ISCAS
This paper presents a coin-cell powered small size wireless sensor node with a sensor bridge biased by an energy-efficient DC-DC converter. To reduce the switching noise of the DC-DC converter, a Wheatstone bridge with differentially balanced in wide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b9e92842af191802dad84cf90bae2bb
https://doi.org/10.1109/iscas45731.2020.9180618
https://doi.org/10.1109/iscas45731.2020.9180618
Publikováno v:
I2MTC
In this paper, a digital-to-resistance converter (DRC) with automatic offset calibration circuits is proposed. This circuit is used to evaluate the dynamic performance of resistive sensor readout circuits. The proposed DRC consists of a digital-to- a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeff8dd17d34b203a8d6e387e50b1168
https://doi.org/10.1109/i2mtc43012.2020.9128478
https://doi.org/10.1109/i2mtc43012.2020.9128478
Publikováno v:
ICECS
This paper describes a high-resolution, highly linear, low power amp-less sensor interface. A Wheatstone-bridge with $\mathbf{\Delta} \mathbf{\Sigma}$ -modulated digitally controlled variable resistor is proposed. The proposed bridge is automatically
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47440f3b45c575056b8c9c087a62c66f
https://doi.org/10.1109/icecs46596.2019.8965187
https://doi.org/10.1109/icecs46596.2019.8965187
Autor:
Hiroki Ishikuro, Kohei Tatehora, Yohsuke Shiiki, Takeshi Yanagida, Tadahiro Kuroda, Ryota Shimizu, K. Tabuchi, Takahisa Tanaka, Shuya Nakagawa, Tsunaki Takahashi, Ken Uchida
Publikováno v:
VLSI Circuits
Ppm-level hydrogen and ammonia in air were recognized by low-power, integrated sensors consisting of catalytic metal nanosheets. Thermal energy necessary for catalytic reactions were given by Joule heating not by external heaters. The ther-mal-aware
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee5c3dc7125bc44ef11b8ab94d264d2b
https://doi.org/10.23919/vlsit.2019.8776552
https://doi.org/10.23919/vlsit.2019.8776552
Publikováno v:
MWSCAS
This paper presents a high resolution time-based resistance-to-digital converter for amp-less high-precision sensor application. In order to solve the trade-off between resolution and bandwidth, a time-to-digital converter (TDC) is combined with a re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90dffb6c49df739405f96ff8787d20ea
https://doi.org/10.1109/mwscas.2018.8623991
https://doi.org/10.1109/mwscas.2018.8623991
Publikováno v:
2018 IEEE International Conference on Microelectronic Test Structures (ICMTS).
Time reduction technique for the measurement of input referred noise of dynamic comparator is presented. By using binary search technique, the proposed method can reduce the measurement time of comparator input referred noise to (log2n)/n, where n is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d5737d61797fdad61432624e632e3dc
https://doi.org/10.1109/icmts.2018.8383799
https://doi.org/10.1109/icmts.2018.8383799