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Date: Wed, 21 Dec 2011 15:15:08 -0500
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From: DJ Delorie <dj AT delorie DOT com>
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In-reply-to: <4EF23A1E.5060001@ecosensory.com> (message from John Griessen on
	Wed, 21 Dec 2011 13:57:18 -0600)
Subject: Re: [geda-user] Design suggestions...
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On some the chips I use, "four channels" means you can choose four
different duty cycles but only one master frequency.  That would be
sufficient for your purposes.

On your sketch, I'd take out the 5K resistors.  You want to turn the
bridge FETs on hard and fast.