Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Mookyoung Yoo"'
Autor:
Gibae Nam, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Hyeoktae Son, Kyounghwan Kim, Jihyang Wi, Seungmin Ahn, Hyoungho Ko
Publikováno v:
IEEE Access, Vol 11, Pp 137688-137701 (2023)
This paper presents a low-noise chopper-stabilized zero-drift amplifier with successive approximation register (SAR)-assisted automatic offset calibration loop (AOCL). The amplifier is designed using multipath zero-drift architecture including a low
Externí odkaz:
https://doaj.org/article/d56dbae0c1e4469c8eee6b82166fd127
Publikováno v:
IEEE Access, Vol 10, Pp 12385-12394 (2022)
Resistive bridge sensors are used in many application areas to measure changes in physical parameters. To amplify the resistive changes from sensing elements with high precision, various offset contributors in the resistive bridge and amplifiers shou
Externí odkaz:
https://doaj.org/article/8f830d9db52f4429a3ebef25ba35392b
Low-noise delta-sigma analog front end with capacitor swapping technique for capacitive microsensors
Publikováno v:
Measurement + Control, Vol 55 (2022)
In this paper, low-noise incremental delta–sigma analog front end (AFE) integrated circuit (IC) for capacitive microsensors is presented. A conventional capacitance-to-digital converter (CDC) mainly uses a multi-stage capacitive sensing amplified s
Externí odkaz:
https://doaj.org/article/e542683f3171490cbc2eb6072b87ed05
Autor:
Kyeongsik Nam, Gyuri Choi, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Hyeoktae Son, Kyounghwan Kim, Hyoungho Ko
Publikováno v:
Applied Sciences, Vol 12, Iss 24, p 12897 (2022)
A low-noise and -power readout integrated circuit (IC) for two-electrode electrocardiogram (ECG) recording is developed in this study using a common-mode charge pump (CMCP) for a robust 20-VPP common-mode interference (CMI). Two-electrode ECG recordi
Externí odkaz:
https://doaj.org/article/5b9baa27de274ababe3694d06812f525
Autor:
Gyuri Choi, Kyeongsik Nam, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Kyounghwan Kim, Hyeoktae Son, Hyoungho Ko
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11334 (2022)
This paper presents a low-noise potentiostat readout circuit with a chopper fully differential difference amplifier (FDDA) for glucose monitoring. Glucose monitoring is necessary for the early diagnosis of diabetes complications and for health manage
Externí odkaz:
https://doaj.org/article/0ff597bae51d4fc3a98364348674ff9d
Autor:
Mookyoung Yoo, Kyeongsik Nam, Gyuri Choi, Sanggyun Kang, Byeongkwan Jin, Hyeoktae Son, Kyounghwan Kim, Hyoungho Ko
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11651 (2022)
This paper presents an incremental second-order delta-sigma modulator with a coarse-fine input buffer in 180-nm CMOS. The modulator’s architecture was implemented as a second-order cascade of integrators with a feedback structure. The switched-capa
Externí odkaz:
https://doaj.org/article/ad2fa2448f8d4076a877b50f344ccdc0
Autor:
Gyuri Choi, Kyeongsik Nam, Mookyoung Yoo, Sanggyun Kang, Byeongkwan Jin, Kyounghwan Kim, Hyeoktae Son, Hyoungho Ko
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10471 (2022)
In this study, we describe a dual-chopper glitch-reduction current-feedback instrumentation amplifier (CFIA) with a ripple reduction loop. The amplifier employs the chopping technique to reduce low-frequency noise, such as 1/f noise. A glitch caused
Externí odkaz:
https://doaj.org/article/c87b12e6218b4475bbedd13e14acb5c5
Publikováno v:
Applied Sciences, Vol 11, Iss 18, p 8287 (2021)
This paper presents a potentiostat readout circuit with low-noise and mismatch-tolerant current mirror using chopper stabilization and dynamic element matching (DEM) for electrochemical sensors. Current-mode electrochemical sensors are widely used to
Externí odkaz:
https://doaj.org/article/f8b3021bdf1c4b139a4a7ff73f612faa
Autor:
Gyuri Choi, Hyunwoo Heo, Donggeun You, Hyungseup Kim, Kyeongsik Nam, Mookyoung Yoo, Sangmin Lee, Hyoungho Ko
Publikováno v:
Applied Sciences, Vol 11, Iss 17, p 7982 (2021)
In this paper, a low-power and low-noise readout circuit for resistive-bridge microsensors is presented. The chopper-stabilized, recycling folded cascode current-feedback instrumentation amplifier (IA) is proposed to achieve the low-power, low-noise,
Externí odkaz:
https://doaj.org/article/c8cf9302d9e84a7e8918736ed0935d6e
Publikováno v:
SSRN Electronic Journal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a287ebfadb3df288c00b7dabf5ad3df
https://doi.org/10.2139/ssrn.4179008
https://doi.org/10.2139/ssrn.4179008