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Analog signature analysis is electronic component and circuit board troubleshooting technique which applies a current-limited AC sinewave across two points of an electronic component or circuit.

The resulting current/voltage waveform is shown on a signature display using vertical deflection for current and horizontal deflection for voltage. This unique analog signature represents the overall health of the part being analyzed. By comparing the signatures of known good circuit boards to those of suspect boards, faulty nets and components can be quickly identified.

Analog Signature Analysis relies on a change in electrical characteristics to detect problems on a circuit board.

Other terms[edit]

  • ATE diagnostics
  • Power off nodal impedance test
  • Power-off testing
  • Tracker signature analysis
  • VI testing
  • VI curves
  • Voltage-versus-current display
  • V/I trace test

Typical equipment[edit]

  • Flying probe
  • Octopus
  • VI interceptor
  • V/I curve tracer
  • Voltage/current curve tracer
  • Huntron Tracker

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Analog_signature_analysis — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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Using the Huntron Tracker 3200S

Overview of the Huntron Tracker 3200S front panel functions and features to troubleshoot circuit boards with analog signature analysis. Includes use with the ...

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An Introduction to VI Testing

An introduction to Impedance Signature Tests (VI) using Diagnosys Test equipment. VI is the short form expression for Voltage / Current analog signature testing.

Electrical Signature Analysis Part 5

From an online training presentation given in 2006. Voice is a little tinny. Each section is 10 minutes with a total time of 1 hour 10 minutes.

Huntron - Tracker 2800 / 2800S

The 2800 series of Huntron® Tracker® are designed to complement conventional test instruments in the debug and troubleshooting process. Using the proven ...

Electrical Signature Analysis Part 7

From an online training presentation given in 2006. Voice is a little tinny. Each section is 10 minutes with a total time of 1 hour 10 minutes.

Compression Transducer Signal Analysis

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An intelligent control valve, the Flowserve StarPac can stand alone or be integrated into a system, and is available for a variety of applications including oil and ...

New Analog Products From Cyrus, TEAC and Clearaudio At AXPONA 2016

At AXPONA 2016 Analogplanet.com editor Michael Fremer learns about new analog products including a $2300 four input MC/MM phono preamp from Cyrus ...

473 videos foundNext > 

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