olemus
elektroonikakomponentide rikete otsingu meetod, mis põhineb siinuspingete rakendamisel komponendi kontrollpunktidele
= a power-off troubleshooting technique that applies a sinewave stimulus to a component creating a voltage vs. current set of electrical parameters (a "signature")

ülevaateid
https://metromatics.com.au/what-is-analog-signature-analysis/
http://www.huntron.com/sales-support/pdf/ASA-paper-extract.pdf

näiteid
http://www.saelig.com/supplier/saelig/An%20Introduction%20to%20VI%20TestingP.pdf