[sdiy] More Drum ?'s. Replacing 566

[Bill Berzinskas]

so is the 556 a acceptable sub?  i thought it was just a dual 555 ish 
device?

----- Original Message ----- 
From: "Paul Perry" <pfperry at melbpc.org.au>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Monday, February 21, 2005 9:08 PM
Subject: Re: [sdiy] More Drum ?'s. Replacing 566


>
> ----- Original Message -----
> From: "Bill Berzinskas"
>
>> one thing i do have is some of the Microchip V-F converters..  although
> they
>> put out sq and ramp, if i could muster a triangle out of it, it should
> work,
>> ehh?
>
> To make a triangle from a ramp, just shift the ramp to be from -5 to +5 
> say
> & rectify.
> As for the 556 and 566, one is easy to get & one is impossible.
> Guess which one is in the Midwest designs?
>
> paul perry melbourne australia
>
>