Introduction: Identify Which Chip Capacitor Is Crying by Straw.

When some chip on my PCB makes a noise as GEE GEE ...

I identify it by using plastic straw.

for reference :

Why does acoustic noise occur in ceramic capacitors?

Examples of Noise Countermeasures

Step 1:

Insert this side into my earhole.

Step 2:

Touch every chips by another side of straw.

Then I can identify the crying chip.

Comments

author
ThomasK19 made it! (author)2016-04-18

And what do you tell the chip? "Shut up!"?

author
Orngrimm made it! (author)Orngrimm2016-04-18

Replace it since it is mechanically loose which means normally "broken due to thermal stresses while soldering"

author
ThomasK19 made it! (author)ThomasK192016-04-18

Ah, ok :-)