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Dynamic Offset Cancellation in Operational Amplifiers and Instrumentation Amplifiers
2008This paper gives an overview of techniques that achieve low-offset, low-noise, and high accuracy in CMOS operational amplifiers (OA or OpAmp) and instrumentation amplifiers (IA or InstAmp). Auto-zero and chopper techniques are used apart and in combination with each other.
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Servologarithmic Amplifier for Reactor Instrumentation
IRE Transactions on Nuclear Science, 1959The instrument described is a servo which provides an output proportional to the logarithm of the input over 4 decades. Use of a special four-decade exponential feedback potentiometer makes the accuracy and repeatability much better than that obtainable with the usual logarithmic amplifiers. A period trip circuit is part of the instrument.
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Portable Musical Instrument Amplifier
The Journal of the Acoustical Society of America, 2011In accordance with the invention is disclosed a portable speaker of exceptionally low bulk yet very good performance which incorporates a non-homogeneous enclosure shape consisting of two main parts, one shallow box-shaped housing section and one cylindrical housing section, and incorporating retractable legs for support of the housing on the ground or
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A Novel Differential Voltage Current Conveyor (DVCC) Based Instrumentation Amplifier
IETE Journal of Research, 2022John Vista +2 more
exaly
Integrating instrument amplifier
Measurement Techniques, 1966A. S. Eremin +2 more
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Magnetic amplifiers Instrumentation.
Industrial & Engineering Chemistry, 1950openaire +1 more source
A Fully-Differential CMOS Instrumentation Amplifier for Bioimpedance-Based IoT Medical Devices
Journal of Low Power Electronics and Applications, 2023JOSÉ L Ausin +2 more
exaly
Instrument amplifier with a photovaristor modulator for pyrometric instruments
Measurement Techniques, 1972Yu. P. Volkov +2 more
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Simultaneous Voltage and Current Measurement Instrumentation Amplifier for ECG and PPG Monitoring
Electronics (Switzerland), 2021exaly