Single-supply precision rectifier

Author

Message

< Power Electronic ~ Single-supply precision rectifier

eric

Posted: Sun Sep 10, 2006 9:27 am Post subject: Single-supply precision rectifier

Site Admin Joined: 01 Jan 1970 Posts: 311

An Analog Devices application
The precision full-wave rectifier circuit shown in the diagram
accepts a.c. inputs of up to ±3 V, yet operates from a single +5 V
supply voltage. The quiescent current is only 320 μA. Rectifier gain
is unity, with the gain accuracy almost entirely dependent on the
match between the two resistors 2R1. The frequency range is about
d.c. to 2 kHz. The single-supply operation at very low quiescent
current drain makes the circuit particularly useful for battery-powered
equipment.
When the input voltage, VIN is positive, A1 drives T1 and D2 to
make output voltage VO equal to the input voltage. The output
swing at VO

All times are GMT

Page 1 of 1 Electronics Circuits index ~ Power Electronic

Topic	Author	Forum
Similar Topics
Adjustable precision voltage source	eric	Power Electronic

Audio power, headphone and pre Amplifier, Digital audio circuits, Loudspeakers projects
PLC articles, examples, hardware, hints and tips, software