[sdiy] Harry Bbd and LF13331

[mark verbos]

http://www.analogue.org/mr/buchla/



elmacaco wrote:

> Could you share some Pictures of this system?
> 
> ----- Original Message ----- 
> From: "Daniel Araya" <daniel.araya at sr.se>
> To: <synth-diy at dropmix.xs4all.nl>; <lanterma at ece.gatech.edu>
> Sent: Thursday, June 29, 2006 8:05 AM
> Subject: Sv: Re: [sdiy] Harry Bbd and LF13331
> 
> 
> 
>>Hi, 
>>
>>I'm restoring the EMS Buchla system in Stockholm and i'm using Marks
>>recommendation of DG202's instead of LF13331's.
>>I'm changing the working LF13331 too, they seem to be sensitive to
>>powersupply fluctuations etc. so it's better to be safe.
>>You have to change the pinout a bit to use the DG202. I us an ic socket
>>and bend three legs of the DG202 and solder a pair of jumpers.
>>I made a rought sketch: www.icb.se//araya/pics/synths/lf13331sub.bmp
>>
>>/Daniel
>>
>>
>>
>>>>>mark verbos <mverbos at earthlink.net> 2006-06-29 00:58:21 >>>
>>
>>Be careful of signal level, one resistance and switch speed.  I
>>recomend 
>>DG200 series or LTC202 to replace them. Which require no adaptation.
>>
>>Mark
>>
>>
>>
>>
>>Aaron Lanterman wrote:
>>
>>>Suppose one were to attempt to clone bits of a 259. Would 4066s/4016s
>>
>>>etc be a better choice than the LF13331s?
>>>
> 
>