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Common-Mode Response Overlapping vs. Shaping in Rail-to-Rail Op-Amp Input Stages

Analog Integrated Circuits and Signal Processing, 2004
In this paper, a circuit technique—common-mode (CM) response overlapping—for maintaining the small-signal behavior of rail-to-rail amplifiers nearly constant over the whole input CM range, is introduced. This technique modifies the CM response of the rail-to-rail input stage adequately by means of two constant input floating voltage sources, which are ...
J. F. Duque Carrillo   +3 more
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Laser vibrometer measurement of guided wave modes in rail track

Ultrasonics, 2015
The ability to measure the individual modes of propagation is very beneficial during the development of guided wave ultrasound based rail monitoring systems. Scanning laser vibrometers can measure the displacement at a number of measurement points on the surface of the rail track.
Philip W, Loveday, Craig S, Long
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A very compact CMOS instrumentation amplifier with nearly rail-to-rail input common mode range

ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC), 2014
This paper presents a compact, fully-differential instrumentation amplifier with nearly rail-to-rail input common mode range. The amplifier, which is based on an original topology, embodies chopper modulation for offset and flicker noise reduction. The paper describes the experimental results obtained with a prototype designed with the UMC 0.18 mu m MM/
BRUSCHI, PAOLO   +4 more
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Rail-to-rail input stages: A voltage-mode design technique and a figure-of-merit

Proceedings of the 8th IEEE International NEWCAS Conference 2010, 2010
The proliferation of battery — operated devices has called for lower supply voltages. Shorter channel lengths and the need for lower supply voltages have made analog design more challenging than ever before. Newer design requirements have also called for a fair comparison metric.
S. Balasubramanian, M. Ismail
openaire   +1 more source

Field measurement of guided wave modes in rail track

AIP Conference Proceedings, 2013
During the development of guided wave systems for rail monitoring it is useful to be able to measure the amplitude of the individual modes of propagation. The availability of scanning laser vibrometers makes it possible to measure the displacement at a large number of points on the rail surface.
P. W. Loveday, C. S. Long
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Transport Mode Selection for Toxic Gases: Rail or Road?

Risk Analysis, 2013
A significant majority of hazardous materials (hazmat) shipments are moved via the highway and railroad networks, wherein the latter mode is generally preferred for long distances. Although the characteristics of highway transportation make trucks the most dominant surface transportation mode, should it be preferred for hazmat whose accidental release ...
Morteza, Bagheri   +2 more
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Constant transconductance CMOS amplifier input stage with rail-to-rail input common mode voltage range

IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, 1995
A novel CMOS amplifier input stage with rail-to-rail input common mode voltage range is described. The circuit uses a simple adaptive biasing scheme to provide a constant transconductance over the entire range, facilitating the optimization of the frequency response of the amplifier. >
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Research on Determination of High-Speed Rail Operation Mode

2014
A complete high-speed rail operation mode defines several elements including train speed levels, transfer or non-transfer organization mode for cross-line passenger, night trains and maintenance time window schedule, cyclic running mode and train stop mode.
Quan Huang, Zhenhuan He
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Dual-Mode Propulsion Extends Range of High Speed Rail

2014 Joint Rail Conference, 2014
Dual-mode propulsion in the form of electro-diesel and battery-electric locomotives is an established concept. Locomotives using these technologies have been in service for many years to provide a ‘last-mile’ capability for freight trains and traction capability when electric power is not available due to system failure or intentionally during ...
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