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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.
418 videos foundNext > 

Mechatronics Lab - bearing signature analysis experiment

Lab demonstration for Colorado State University's MECH307 Mechatronics Lab. Fourier-based spectral analysis used for bearing signature analysis.

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 test...

Rotor Bar Problems Video

When Rotor Bars fail, and the motor is accelerating and running at full speed, you may hear a distinctive "beat frequency" noise, the volume or amplitude mod...

Ultra Analog VA-2 Analog Synth Plugin - Tour & review by Dom Kane

Pluginboutique.com presents this video tour and review of the newly updated AAS Ultra Analog VA-2 analog synth module (http://bit.ly/1bfNCiz), presented here...

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 powe...

Massive Preset Soundbank - Analog Influence by Speaker Feature Studios

http://www.speakerfeaturestudios.com/soundbanks/analog-influence/ This 55 patch bank uses free running oscillators, pitch drift, filtering, noise, and feedba...

Simi Motion - Synchronization of analog data

This video tutorial shows you how to record both, cameras and analog data, synchronously. Needed hardware for this is a Simi I/O Box.

Mechatronics Lab - analog oscilloscope demo

Lab demonstration for Colorado State University's MECH307 Mechatronics Lab. General oscilloscope functionality demonstration (using an HP 2215 analog scope).

Audio signal processing using Raspberry Pi. Example of drone sound signature recognition

ORELIA company provides solutions for sound analysis and recognition. Sound recognition is very useful in many application cases. From security (by detecting...

Casio Paper Writer 10.1" Android tablet traverses the analog and digital divide #DigInfo

Casio Paper Writer 10.1" Android tablet traverses the analog and digital divide http://www.diginfo.tv/v/12-0164-r-en.php DigInfo TV - http://diginfo.tv 12/9/...

418 videos foundNext > 

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