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22대 대한민국 국회 국회정보길라잡이 국회의원검색
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This work presents a counter-based frequency discriminator for a fine dust sensor. Detecting the frequency variations of MEMS resonator according to the fine dust concentration, the proposed frequency discriminator provides digital codes which represents the frequency variations. Since the proposed frequency discriminator is based on the CMOS process, it achieved extremely small area and low power of 0.3 mW, which facilitates the integration into portable devices. The proposed counter-based frequency discriminator covers the input frequency range of 1.6 to 2.4 GHz with a resolution of 50 kHz. Since it has a flexible divider, its resolution and detection speed can be flexibly changed.

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기사명 저자명 페이지 원문 목차
(A) 0.89 μV[rms] noise 93 dB high dynamic range low power 16 channels closed-loop neural recording chip Jae Ouk Cho, Jang Hwan Kim, Jun Tae Jang, Hong Kyun Kim, Chul Kim p. [1-6]

(A) 5.8 GHz DSRC wake-up receiver with an intelligent digital controller Yu Sub Sin, Yeon Jun Kim, Jae Bin Kim, Jong Wan Jo, Kang Yoon Lee p. [1-7]

(A) 10 Gbps optical receiver analog front-end and MZM driver in 65nm CMOS Abdul Qahir, Sang Gug Lee p. [1-6]

(A) wideband 60 GHz Gm-boosted up-conversion mixer Cheol So, Song Cheol Hong p. [1-6]

(An) evaluation and comparison of state-of-the-art flip-flops for low-power applications Kyoung Hun Kang, Wan Yeong Jung p. [1-5]

Analysis of the TEG maximum power point tracking operation with continuously scalable-conversion-ratio SC converter Hyun Jin Kim, Chul Woo Kim p. [1-5]

Counter-based frequency discriminator for fine dust sensor Suneui Park, Han Gi Park, Ju Yeop Kim, Joo Eun Bang, Yu Hwan Shin, Jae Hyouk Choi p. [1-5]

Design of InP HBT 230-GHz frequency multiplier chain with a multiplication factor of 18 Sang Ki Min, Woo Yong Keum, Hee Kang Son, Jung Hwan Yoo, Do Yoon Kim, Jae Sung Rieh p. [1-6]

(A) leakage-tolerant 4.58µJ·ppm2-FoMs reconfigurable RC-to-digital converter for multi-sensor readout Dong Wook Kim, Ho Yeong Han, Jung Hyup Lee p. [1-6]

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