Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Doojin Jang"'
Publikováno v:
IEEE Transactions on Power Electronics. 36:10965-10969
Switched-capacitor (SC) converters have numerous advantages in supplying fast and fine-grained voltages to microprocessors. However, the losses associated with the voltage conversion ratio (VCR) transition, which has not been investigated in detail,
Autor:
Minkyu Je, Chul Kim, Unbong Lee, Doojin Jang, Jinuk Kim, Donghee Cho, Yoontae Jung, Hongseok Shin, Hyungjoo Cho, Sohmyung Ha
Publikováno v:
IEEE Solid-State Circuits Letters. 3:530-533
This letter presents a high-gain energy-efficient three-stage amplifier, which employs buffering-based pole relocation and dual-path structure. The proposed design does not rely on the introduction of compensation zero and preserves the unity-gain ba
Publikováno v:
VLSI Circuits
This paper presents a hybrid dual-path Buck-Boost DC-DC converter (DPBB) achieving high power efficiency for the entire input voltage (V IN ) range (2.8 to 4.2V) from a Li-ion battery for mobile applications. Unlike conventional noninverting buck-boo
Publikováno v:
A-SSCC
An input-adaptive and regulated power management unit with multiple outputs is presented for multi-unit implantable medical devices (IMDs), which are powered wirelessly. In such systems, the main controller unit receives the wireless power and provid
Autor:
Minkyu Je, Hyungjoo Cho, Doojin Jang, Sohmyung Ha, Yoontae Jung, Jinuk Kim, Chul Kim, Hongseok Shin, Unbong Lee, Donghee Cho
Publikováno v:
VLSI Circuits
This paper presents a high-gain energy-efficient three-stage amplifier which employs buffering-based pole relocation and a dual-path structure (BPR-DP). The proposed design does not rely on the introduction of compensation zero and preserves the unit
Autor:
Seong-Jin Kim, Ji-Hoon Kim, Il-Joo Cho, Minkyu Je, Doojin Jang, Namsun Chou, Ji-Hyoung Cha, Taeju Lee, Jee-Ho Park
Publikováno v:
VLSI Circuits
This paper presents a multimodal multichannel neural activity readout IC which can perform not only the electrical recording (ER) but also the fluorescence recording (FR) of neural activity for the cell-type-specific study of heterogeneous neuronal c
Autor:
Jaesuk Choi, Doojin Jang, Soonyoung Hong, Taeju Lee, Jun-Suk Bang, Minkyu Je, Yeseul Jeon, Seok-Tae Koh, Yoontae Jung, Hyuntak Jeon
Publikováno v:
A-SSCC
This paper presents a 5-bit VCO-based neural recording IC, which directly quantizes the input signal and achieves a large dynamic range (DR) to process the small-amplitude neural signal in the presence of the large-amplitude stimulation artifact (SA)
Publikováno v:
2018 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT).
This paper presents a neural recording amplifier that operates in environments where large common-mode signals interfere. The proposed scheme employs two types of LDOs that generate isolated supply voltages and a buffer to sense a common-mode signal.
A neural recording amplifier based on adaptive SNR optimization technique for long-term implantation
Autor:
Doojin Jang, Sungmin Han, Minkyu Je, Jun-Uk Chu, Soonyoung Hong, Hyuntak Jeon, Junghyup Lee, Taeju Lee, Yoontae Jung
Publikováno v:
BioCAS
Long-term neural recording which can consistently provide good signal-to-noise ratio (SNR) performance over time is important for stable operation of neuroprosthetic systems. This paper presents an analysis for the SNR optimization in a changing envi