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Reference Circuits,
Page 1
Reference: #'s - AC-BD-NO-RS - Z Last Updated on:
Friday, March 12, 2010 12:07 PM
Links to electronic circuits, electronic schematics, designs for engineers,
hobbyists, students & inventors:
1.2 Volt Reference - National Semiconductor Application Note 04-Nov-1995/ (app
note added 3/03)
16 bit adjustable reference uses 8 bit digital potentiometers - 12/25/03 EDN
Design Ideas / (added 09/05) It may be easy to find a precision voltage reference
for your application; however, a programmable precision reference is anor matter.
circuit in Figure 1 yields a precision reference with an LSB of 62.5 µV. circuit is a
16-bit DAC using three 8-bit digital potentiometers and three CMOS op amps....
Active Clamp Forward Reference Design - This reference design is an active-clamp
forward converter that can deliver up to 24 A of continuous current at 5 V from an
input range of 35 V to 75 V. The active-clamp topology with self-driven secondary
synchronous MOSFETs allows….(added 3/05)
ADC's Reference Improves Rtd Measurements - 10/27/94 EDN-Design Ideas / (added
6/06) Temperature measurements using RTDs (resistance-temperature detectors) generally
employ bridge circuits with stable power supplies for signal conditioning.
Unfortunately, this scheme generally produces nonlinear outputs. A linear bridge
configuration that uses two identical current sources depends on accuracy of
matching sources....
Add an auxiliary Voltage to a Buck regulator - 10/31/02 EDN Design Ideas /
(added 1/05) You often need more than one regulated output voltage in a system. A
frequently used and reasonably simple way to create this auxiliary output voltage is
to add a second winding to output inductor, creating a coupled inductor or a
transformer, followed by a diode to rectify (peak-detect) this output voltage....
