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Gain-programmable circuit offers performance and flexibility -
25-Nov-04 Issue of EDN You can use a standard precision
instrumentation amplifier, such as the INA118 or AD623, as a
gain-programmable amplifier with high accuracy and wide gain range.
However, the gain range of such parts is fixed at certain values,
limiting their flexibility. To solve the problem, a usual way is to
use a gain-adjustable circuit controlled by a microcomputer (Figure
1].... [Design Idea by Luo Bencheng, Key Laboratory of Mental Health,
Institute of Psychology, Chinese Academy of Sciences]
High Speed Precision Rectifier - AB-109 Analog Devices
Application Notes (app note added 2/06) The low offsets and excellent
load driving capability of the OP-27 are key advantages in this
precision rectifier circuit.
High-Frequency Vghas Digital Control - 07/18/96 EDN-Design
Ideas:....[Design Idea added 4/02] EDN migrating links. This link is
not verified. Google the "title" EDN for new link.
Instrumentation amplifier extends DSO - 5-Jan-06 Issue of EDN
Elusive current waveforms required scope documentation.... [Design
Idea by Bob Perrin, Sacramento, CA; Edited by Brad Thompson and Fran
Granville]
Instrumentation Amplifiers Solve Unusual Design Problems - AN-245
Analog Devices Application Notes (app note added 2/06) Traditionally
Considered Only for Transducer-Conditioning Applications,
Instrumentation Amplifiers Bring Unique Performance Benefits to a
Range of Other Applications as Well.
LM317 variable Power Supply - A truly timeless circuit. LM317 is a versatile and
highly efficient 1.2-37V voltage regulator that can provide up to 1.5A of current with
a large heat sink. It's ideal for just about any application…..(electronic design
added 6/07)
Low Voltage Amplifier - AN-560 Analog Devices Application Notes (app note added
2/06) The AD8517/AD8527 operates at supply voltages as low as 1.8 V. This amplifier
is ideal for battery-powered applications since it can operate at end of discharge
voltage of most popular batteries.
Mixed Signal Circuit Technologies - AN-280 Analog Devices Application Notes (app
note added 2/06) Considers problems which arise when reality (& Murphy) intervene in
a design which otherwise seems satisfactory in terms of theory and modeling.
