[sdiy] Roland drum trigger spec's

[Happy Harry]

Is should be easy to stretch the 5mS pulse longer
if you want... probably easier than modifying the
tom circuit.

H^) harry


>From: "nss at hevanet.com" <nss at hevanet.com>
>Reply-To: nss at hevanet.com
>To: synth-diy at node12b53.a2000.nl
>Subject: [sdiy] Roland drum trigger spec's
>Date: Tue, 13 Mar 2001 14:57:53 -0800
>
>Hi eveyone,
>A couple of months ago I made a copy of the 808's tom/conga section.
>They are pretty much straight clones, the only difference being I used a
>tl082 instead of original. But they all had a problem. The pink noise
>would not make it to the output. I copied the original noise generator,
>and it seemed to be putting out the correct voltage, but no mater what I
>played with it still would not work right.
>	Then I remembered someone saying that the Roland trigger is suposed to
>be a 10ms pulse and some sounds would not work right if this was varied.
>I am using a PAIA midi-cv that puts out a 5ms pulse. Could this be my
>problem????
>
>Anyone with experience on this?
>Could the circuit be modified to work with 5ms?
>
>I put up the schm of the section I copied if someone would take a look:
>
>http://www.hevanet.com/nss/808tom.jpg   (72k)
>or
>http://www.hevanet.com/nss/808tom.tif   (158k)
>
>Thanks for any info anyone can share!
>My tom clones will thank you too, as I already butcherd one of them
>trying to get it to work!
>
>-Al Fisher
>Portland, OR
>USA
>

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