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Picotest
Jun 26, 20121 min read
Understanding the Data Sheet Key to Effective Circuit Design
While the graph of Fig. 1 seems straightforward, there are several issues that become apparent when one tries to make sense of what the...
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Picotest
May 16, 20121 min read
Evaluate Feedback Stability When There’s No Test Point
Fortunately, a new technique permits non-invasive stability testing of such devices.1 Designers can evaluate stability by measuring (on...
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Picotest
Mar 24, 20121 min read
An Unconditionally Stable Linear Voltage Regulator
Is it possible to design an unconditionally stable linear voltage regulator? In fact, many believe that most regulator ICs are...
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Picotest
Feb 17, 20122 min read
Stability Assessment of Fixed Regulators
There are cases where a Bode (gain?phase) plot cannot be obtained from a control loop. For example, a three terminal regulator or hybrid...
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Picotest
Aug 4, 20111 min read
A Simple Method to Determine ESR Requirements for Stable Regulators
A single, simple measurement is described that allows the determination of the ESR required to achieve a desired phase margin, using a...
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Picotest
Dec 12, 20101 min read
Measuring LDOs requires more bandwidth than you think
Most electronic systems contain at least one voltage regulator, with many systems requiring several regulators, each providing a...
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Picotest
Mar 30, 20101 min read
Generating Stable Voltage For Multiple Applications
Understanding the key parameters of diodes and other components used in reference voltage circuits can help avoid issues in different...
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