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4-20 mA Digital-to-Process Current Transmitter - AN-21 Analog Devices Application
Notes (app note added 2/06) Describes a 3 I.C. Digital to 4-20 mA Current Output
Circuit (DAC08, REF01 and OP221)
A Collection of Amp Applications - AN-106 Analog Devices Application Notes (app
note added 2/06) Examines Some of Numerous and Widely Used Applications of
Operational Amplifier
AB-109: High Speed Precision Rectifier - AB-109 Analog Devices Application Notes
(app note added 2/06) The low offsets and excellent load driving capability of OP-27
are key advantages in this precision rectifier circuit.
AB-111: Single-Supply Wien Bridge Oscillator - AB-111 Analog Devices Application
Notes (app note added 2/06) Wien Bridge Oscillators require only one op amp,
important in battery-operation. This circuit operates from a single 9V battery.