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 Forum index » DIY Hardware and Software » Ken Stone designs - CGS
Burst Generator has negative voltage offset
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Kent



Joined: Mar 31, 2008
Posts: 53
Location: All over Europe & elsewhere (Mostly Paris)

PostPosted: Thu Jul 09, 2009 3:30 am    Post subject: Burst Generator has negative voltage offset
Subject description: Halp!
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Hello all,

I recently purchased a Metalbox-built Burst Generator from a friend. All of the outputs have a -4VDC offset on them. They all work normally besides that and fire off @ +5VDC. I didn't see anything pertaining to this on the CGS site. It is also the only module in the rack that does this.

I've email Metalbox about it but didn't get a reply. Does anyone here have any ideas?
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zthee



Joined: Feb 20, 2008
Posts: 414
Location: Stockholm

PostPosted: Thu Jul 09, 2009 5:37 am    Post subject: Reply with quote  Mark this post and the followings unread

Since the Burst Generator is only attached to 0 and +15V it seems strange that there should be a -4V somewhere in there..

Is the power wired correctly?

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Kent



Joined: Mar 31, 2008
Posts: 53
Location: All over Europe & elsewhere (Mostly Paris)

PostPosted: Thu Jul 09, 2009 11:00 am    Post subject: Definitely wired correctly Reply with quote  Mark this post and the followings unread

I just measured the power at the connectors just to be certain.
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zthee



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PostPosted: Thu Jul 09, 2009 11:45 pm    Post subject: Reply with quote  Mark this post and the followings unread

Then it's truly strange!
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