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» A low voltage CMOS current source
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ISCAS
2002
IEEE
91views Hardware» more  ISCAS 2002»
14 years 23 days ago
Charge-based MOS correlated double sampling comparator and folding circuit
A novel charge-based comparator and folding circuit are presented. Correlated double sampling comparison is performed using a log-domain integrator, implemented by a subthreshold ...
Roman Genov, Gert Cauwenberghs
ISLPED
2009
ACM
168views Hardware» more  ISLPED 2009»
14 years 2 months ago
Low power circuit design based on heterojunction tunneling transistors (HETTs)
The theoretical lower limit of subthreshold swing in MOSFETs (60 mV/decade) significantly restricts low voltage operation since it results in a low ON to OFF current ratio at low ...
Daeyeon Kim, Yoonmyung Lee, Jin Cai, Isaac Lauer, ...
ISCAS
2007
IEEE
124views Hardware» more  ISCAS 2007»
14 years 2 months ago
CMOS Current-controlled Oscillators
— The work presented in this paper is about the design of current-controlled oscillators (ICO). Two ICOs are proposed. Aiming at reducing the duration of the short-circuit curren...
Junhong Zhao, Chunyan Wang
SBCCI
2006
ACM
200views VLSI» more  SBCCI 2006»
14 years 1 months ago
A differential switched-capacitor amplifier with programmable gain and output offset voltage
The design of a low-power differential switched-capacitor amplifier for processing a fully-differential input signal coming from a pressure sensor interface is reported. The circu...
Fabio Lacerda, Stefano Pietri, Alfredo Olmos
ISCAS
2005
IEEE
185views Hardware» more  ISCAS 2005»
14 years 1 months ago
2 GHz 8-bit CMOS ROM-less direct digital frequency synthesizer
—This paper presents a 2GHz 8-bit CMOS ROM-less direct digital frequency synthesizer (DDFS). Nonlinear current steering digital to analog converter (DAC) has been utilized to con...
Xuefeng Yu, Foster F. Dai, Yin Shi, Ronghua Zhu