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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 27, 20121 min read
Extracting Bode Plots from Output Impedance
Many articles and application notes describe the extraction of phase margin, using a non-invasive technique that extracts the phase...
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Picotest
Jan 30, 20121 min read
Are We Focused On The Wrong Reference Parameters?
Designing a reliable circuit that employs a voltage reference requires a more detailed look at device parameters than most data sheets...
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Picotest
Sep 1, 20111 min read
New Technique for Non-Invasive Testing of Regulator Stability
Output impedance is the key to testing filter and regulator phase margin, even when the control loop is inaccessible. Many voltage...
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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
Jun 9, 20111 min read
Selecting Test Signal Injectors
A number of test signal injectors are used when evaluating the performance of power supplies and other low-frequency components with a...
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Picotest
Jun 9, 20111 min read
Powering RF and Microwave Systems
RF/microwave design engineers faced with developing effective power circuits for a system require more complete data sheets, appropriate...
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Picotest
May 4, 20111 min read
These Seven Trends May Change Power Design Dramatically
New power semiconductor technologies such as silicon carbide (SiC) and gallium nitride (GaN) promise to rewrite the record books with...
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Picotest
May 4, 20111 min read
An Accurate Method For Measuring Capacitor ESL
With ESL values typically in the range of 1 nH to 5 nH, measuring the ESL of chip capacitors is not a trivial task. At present, some...
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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
Sep 22, 20101 min read
Deconstructing the Step Load Response Reveals a Wealth of Information
What can be learned from the Step Load response and why we should care? When analyzing power circuits, engineers routinely evaluate the...
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Picotest
Aug 1, 20101 min read
Debunking Transformer Performance Myths
In this article we intend to dispel three common myths regarding transformers, and more generally, magnetic coupling. To provide the...
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Picotest
Aug 1, 20101 min read
Transformer Parameter Extraction
It is often the case, in circuits which use a transformer, that the performance of the circuit is significantly dependent on the...
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Picotest
Jul 15, 20101 min read
Broad Injector Product Line Eases Power Supply Stability Analysis
Developed to aid power supply designers in control-loop stability analysis, Picotest’s line of signal injectors are being introduced as...
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Picotest
Jun 7, 20101 min read
Arbitrary Waveform Generator Aids Design of Power Electronics
Written by Steve Sandler Featured by Penton Media in EDN, Power Electronics, and Microwaves & RF This article demonstrates how the G5100A...
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Picotest
May 30, 20102 min read
SPICE Modeling Using Two Picotest 6.5 Digit DMM’s
I was thinking about how a typical engineer would go about creating a SPICE model for a simple diode. This seems like a pretty basic...
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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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