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A Single Amplifier Precision High
Voltage Instrument Amp - DN25
Design Notes (Linear Technology) |
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AC coupling instrumentation amplifier
improves rejection range of differential
DC input voltage - 30-Sep-04 Issue
of EDN The need for conditioning
low-level ac signals in the presence of
both common-mode noise and differential
dc voltage prevails in many
applications....PDF has several circuits
listed, please scroll down to find this
one.... [Design Idea by Francis Rodes,
Olivier Chevalieras, and Eliane Garnier,
ENSEIRB, Talence, France] |
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-/+-0.1V Differential Amplifier Circuit
using Zero Threshold EPAD MOSFETs -
This circuit presents a differential
amplifier using Zero Threshold EPAD
MOSFETs that oooooperates on 1/- 0.1v
supplies. The schematic diagram is for
a single amplifier stage…Circuit Ideas
for Designers Application Notes Advanced
Linear Devices, Inc. |
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2 instrumentation amps make accurate
voltage-to-current-source -
14-May-09 Issue of EDN Many designs
require precise voltage-controlled
current sources, especially in the
presence of variable loads. Common
approaches, which use a few op amps and
a handful of passive components, have
inherent errors due to nonideal
component characteristics, such as
finite open-loop gain, common-mode
rejection, bias current, and offset
voltage.... [Design Idea by Frank
Ciarlone, Analog Devices, Wilmington,
MA] |
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A Fully Differential Input Voltage
Amplifier - National Semiconductor
Application Note |
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Active-feedback IC serves as
current-sensing instrumentation
amplifier - 24-Jul-03 Issue of EDN
High-speed current sensing presents a
designer with some significant
challenges. Most techniques for sensing
current involve measuring the
differential voltage the current
produces as it flows through a sense
element, such as a resistor or a
Hall-effect device. The differential
voltage across the sense element is
generally small and is often... [Design
Idea by Jonathan Pearson, Analog
Devices, Wilmington, MA] |
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Amplifier and current-source emulate instrumentation amplifier
- 13-Nov-03 Issue of EDN The classic three- or two-op-amp
instrumentation-amplifier circuits are standard ways to amplify
a small-amplitude differential signal contaminated with high
common-mode noise. In some applications, the signal source is
floating with high-series-output impedance and thus requires an
appropriate high-input-impedance amplifier.... [Design Idea by
Dobromir Dobrev, Jet Electronics, Sofia, Bulgaria] |
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Amplifier removes common-mode noise on RGB
differential-video-transmission line - 13-Apr-06 Issue of
EDN Use a single operational amplifier to minimize common-mode
signals' effects on differential-component-video receivers....
[Design Idea by Tamara Papalias and Mike Wong, Intersil Corp;
Edited by Brad Thompson and Fran Granville] |
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