[sdiy] Help-Blacet midi-din sync chip problems!

[David D]

>From: "Rob B" <cyborgzero at home.com>
>To: "Colin Fraser" <colin at colinfraser.com>, "'David D'" 
><shockadd at hotmail.com>,   <synth-diy at dropmix.xs4all.nl>
>Subject: Re: [sdiy] Help-Blacet midi-din sync chip problems!
>Date: Sun, 10 Feb 2002 12:52:16 -0500
>
>Problem is, this 50% duty cycles screws
>*some* 808s and 606s up pretty badly,
>and they begin to slip.

  Thats weird cause my 606,808 and CR 8000 all output a nice 50% duty
pulse and sync to each other perfectly with each others sync output.

>
>I propose a scheme by which the duty
>cycle can be set somehow. The 808s and
>606s tend to work better on about a 30%
>duty cycle. I used a pwm circuit to get
>the Xbase to sync a 606 properly, funny
>thing is that it synced a 202 and a 303
>just fine with the 50% duty cycle of the
>Xbase.

  That would be awesome as you could do some crazy stuff with timing etc if 
you had totally controllable sync unit like that!  Aahh to dream...

  DavidD

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