A review of the CMOS buried double junction (BDJ) photodetector and its applications

S Feruglio, GN Lu, P Garda, G Vasilescu - Sensors, 2008 - mdpi.com
A CMOS Buried Double Junction PN (BDJ) photodetector consists of two vertically-stacked
photodiodes. It can be operated as a photodiode with improved performance and …

Simultaneous actuation and displacement sensing for electrostatic drives

J Dong, PM Ferreira - Journal of Micromechanics and …, 2008 - iopscience.iop.org
This paper presents a method for driving a MEMS electrostatic actuator, while
simultaneously sensing the resulting displacement/capacitance without the use of an …

CMOS low-power lock-in amplifiers with signal rectification in current domain

PM Maya-Hernández… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper presents the design and experimental characterization of two lock-in amplifier
(LIA) prototypes integrated in a 0.18-μm CMOS process with a single supply voltage of 1.8 V …

An integrated low-power lock-in amplifier and its application to gas detection

PM Maya-Hernández, LC Álvarez-Simón… - Sensors, 2014 - mdpi.com
This paper presents a new micropower analog lock-in amplifier (LIA) suitable for battery-
operated applications thanks to its reduced size and power consumption as well as its …

Displacement actuation and sensing for an electrostatic drive

D Jingyan, PM Ferreira - US Patent 8,076,893, 2011 - Google Patents
An electrostatic drive includes a? rst electrode and a second electrode responsive to a drive
signal. The drive signal includes an actuation signal constituent and a sensing signal …

A low-frequency, sub 1.5-V micropower G/sub m/-C filter based on subthreshold MIFG MOS transistors

A El Mourabit, GN Lu, P Pittet - Proceedings of the 31st …, 2005 - ieeexplore.ieee.org
We present a sub-1.5 V and micropower filter with very low and tunable cut off frequency. It
consists of low-G/sub m/and wide-linear-range OTA using subthreshold MIFG (multiple input …

[PDF][PDF] 眼轴长度测量系统设计

杨梅, 王成, 李丕丁, 张宇宁, 郑刚, 张大伟 - 光学仪器, 2019 - researching.cn
眼轴长度与屈光不正, 白内障等常见眼科疾病有密切关系, 精确测量眼轴长度对眼科疾病的预防
及治疗具有重要的意义. 为实现眼轴长度安全有效的光学测量, 入射光强度不能超过安全限度 …

Diseño integrado de un Amplificador Lock-in compacto de bajo consumo para aplicaciones portátiles

PM Maya-Hernández, MT Sanz-Pascual… - Superficies y …, 2014 - scielo.org.mx
Una técnica para la medición de la amplitud de una señal, incluso si el ruido y las
interferencias superpuestas son mayores que la propia señal, es la técnica de detección …

CMOS buried multi-junction (BMJ) detector for bio-chemical analysis

GN Lu, T Courcier, B Mamdy, S Feruglio… - AOPC 2015: Optical …, 2015 - spiedigitallibrary.org
The CMOS buried multi-junction (BMJ) detector with multiple outputs has distinct spectral
responses that may be exploited for applications such as bio-chemical analysis. We tackle …

CMOS BDJ detector array with charge preamplifiers for sensitive biochemical analysis

G Carrillo, GN Lu, P Pittet, K Zhao - 2006 13th IEEE …, 2006 - ieeexplore.ieee.org
For instrumental implementation of biochemical microanalysis techniques, we have
designed a CMOS BDJ (Buried Double pn Junction) detector array and its associated …