Re: Can a piezo buzzer generate damaging voltages?

From	Jan Coombs <jenfhaomndgfwutc@murmic.plus.com>
Newsgroups	comp.arch.embedded
Subject	Re: Can a piezo buzzer generate damaging voltages?
Date	2017-10-15 18:12 +0100
Organization	A noiseless patient Spider
Message-ID	<20171015181249.5c8c9b5d@t530.lan> (permalink)
References	<orh3ef$1qpp$1@gioia.aioe.org> <orm8cb$25t$1@gioia.aioe.org> <ormah5$4ue$1@gioia.aioe.org> <ornqtq$f9c$1@gioia.aioe.org> <orokem$1v32$1@gioia.aioe.org>

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On Thu, 12 Oct 2017 13:48:19 -0700
John Speth <johnspeth@yahoo.com> wrote:

> Yep, you've exposed my ignorance :)  I totally missed that
> datasheet info.  While it doesn't eliminate the possibility of
> buzzer induced damage, I think it greatly reduces the
> possibility.

If the buzzer has an internal L-C filter on the power line then
you might still have interesting spikes from sending audio
square waves to it...

Jan Coombs

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Thread

Can a piezo buzzer generate damaging voltages? John Speth <johnspeth@yahoo.com> - 2017-10-09 17:15 -0700
  Re: Can a piezo buzzer generate damaging voltages? Clifford Heath <no.spam@please.net> - 2017-10-10 13:55 +1100
  Re: Can a piezo buzzer generate damaging voltages? o pere o <me@somewhere.net> - 2017-10-11 11:08 +0200
    Re: Can a piezo buzzer generate damaging voltages? Clifford Heath <no.spam@please.net> - 2017-10-11 22:37 +1100
      Re: Can a piezo buzzer generate damaging voltages? o pere o <me@somewhere.net> - 2017-10-16 09:56 +0200
  Re: Can a piezo buzzer generate damaging voltages? Chris <xxx.syseng.yyy@gfsys.co.uk> - 2017-10-11 23:10 +0000
    Re: Can a piezo buzzer generate damaging voltages? John Speth <johnspeth@yahoo.com> - 2017-10-11 16:46 -0700
      Re: Can a piezo buzzer generate damaging voltages? "petrus bitbyter" <petrus.bitbyter@hotmail.com> - 2017-10-12 15:32 +0200
        Re: Can a piezo buzzer generate damaging voltages? Chris <xxx.syseng.yyy@gfsys.co.uk> - 2017-10-12 14:31 +0000
        Re: Can a piezo buzzer generate damaging voltages? John Speth <johnspeth@yahoo.com> - 2017-10-12 13:48 -0700
          Re: Can a piezo buzzer generate damaging voltages? Jan Coombs <jenfhaomndgfwutc@murmic.plus.com> - 2017-10-15 18:12 +0100

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