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Re: gEDA-user: buzzing board

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Subject: Re: gEDA-user: buzzing board
From: DJ Delorie <dj@xxxxxxxxxxx>
Date: Fri, 14 Sep 2007 19:15:35 -0400
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In-reply-to: <90DF76C6-754E-4D16-B52E-DA743814DA17@xxxxxxxxx> (message from Steven Michalske on Fri, 14 Sep 2007 15:29:42 -0700)
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> Take a FFT of the sound.

My scope has FFT built in.  I just can't get a microphone to pick it up.

> you could be hearing a beat frequency of 19th or 20th harmonic of the  
> 7.8 kHz oled, and the 150kHz switcher

Except it happens when the switcher is off, too.


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Follow-Ups:
- Re: gEDA-user: buzzing board
  - From: Steven Michalske

References:
- gEDA-user: buzzing board
  - From: DJ Delorie
- Re: gEDA-user: buzzing board
  - From: Andy Peters
- Re: gEDA-user: buzzing board
  - From: Stuart Brorson
- Re: gEDA-user: buzzing board
  - From: DJ Delorie
- Re: gEDA-user: buzzing board
  - From: Steven Michalske

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