[SI-LIST] Re: Switch On & Switch Off Clicks due to Amplifier noise
- From: steve weir <weirsi@xxxxxxxxxx>
- To: adeelmk@xxxxxxxxxxx, <si-list@xxxxxxxxxxxxx>
- Date: Sat, 12 Feb 2005 02:42:38 -0800
Adeel, that description sounds like a bias transient. If so, you need to
find the transient and correct it.
Steve
At 03:37 PM 2/12/2005 +0500, Adeel Malik wrote:
>Hi All,
> In my application I am using a Stereo quality Audio
>Amplifier (TDA 7057A - Philips) for Sound Playback. I have kept the
>analog supply of amplifier isolated from the rest of the system along
>with the addition of high frequency by-pass capacitors as specified by
>the vendor. When I switch on the sound, a noticeable 'click' is heard
>before the playing of the message. The same 'click' is also heard after
>the sound playback.
>
>I suspect that this may be due to some amplifier phenomenon. Have
>someone experienced this issue before while designing with audio
>amplifiers.?. If yes, then how to resolve it ?.
>
>Thanks and Regards,
>Adeel Malik
>
>
>------------------------------------------------------------------
>To unsubscribe from si-list:
>si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>
>or to administer your membership from a web page, go to:
>//www.freelists.org/webpage/si-list
>
>For help:
>si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>List FAQ wiki page is located at:
> http://si-list.org/wiki/wiki.pl?Si-List_FAQ
>
>List technical documents are available at:
> http://www.si-list.org
>
>List archives are viewable at:
> //www.freelists.org/archives/si-list
>or at our remote archives:
> http://groups.yahoo.com/group/si-list/messages
>Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
The weirsp@xxxxxxxxxx e-mail address will terminate March 31, 2005.
Please update your address book with weirsi@xxxxxxxxxx
------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
or to administer your membership from a web page, go to:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List FAQ wiki page is located at:
http://si-list.org/wiki/wiki.pl?Si-List_FAQ
List technical documents are available at:
http://www.si-list.org
List archives are viewable at:
//www.freelists.org/archives/si-list
or at our remote archives:
http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
