Nov 16, 2009 #1 S sita Member level 1 Joined Jan 4, 2008 Messages 39 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,600 piezo elctric crystal hi, i have a doubt. when a piezoelectric crystal degrades, ideal what parameter of the crystal is causing degradation? Is it electrostatic cap of piezo changing? can anyone pls pass on any interesting material on piezo? sita
piezo elctric crystal hi, i have a doubt. when a piezoelectric crystal degrades, ideal what parameter of the crystal is causing degradation? Is it electrostatic cap of piezo changing? can anyone pls pass on any interesting material on piezo? sita
Nov 16, 2009 #2 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 What usually happens is that the resonant frequency changes because small particles fall off or from contaminants in the case migrating onto the crystal.
What usually happens is that the resonant frequency changes because small particles fall off or from contaminants in the case migrating onto the crystal.
Nov 16, 2009 #3 Audioguru Advanced Member level 7 Joined Jan 19, 2008 Messages 9,457 Helped 2,151 Reputation 4,302 Reaction score 2,008 Trophy points 1,393 Location Toronto area of Canada Activity points 59,720 I think the piezo shatters due to flexing too much.
Nov 16, 2009 #4 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 Audioguru said: I think the piezo shatters due to flexing too much. Click to expand... This is caused by passing more signal current through the crystal than it can take. Pay attention to the data sheet value of "drive level."
Audioguru said: I think the piezo shatters due to flexing too much. Click to expand... This is caused by passing more signal current through the crystal than it can take. Pay attention to the data sheet value of "drive level."