[sdiy] patch matrix

[Ken Stone]

>Ah well, you got me. The 4416 has been replaced. My collaborator on the
>project, Jim, made the discovery that you can use a CD4016 to replace it.
>The only catch is that you have to invert pins 5&6 (controls B&C). Once
>you do this, it is exactly the same - pinout and all.
>Ian

Actually, this is exactly what I did on the one I completed. I had a 4069
piggybacked on the 4016. If new boards where being designed, the 4053 could
be used.

Ken

>
>
>On Sun, 23 Jun 2002, Ken Stone wrote:
>
>> How did you go finding the 4416 chips?
>>
>> I also have a couple of partially assembled oscillator boards, and a couple
>> of other unstuffed boards left over from my original 3800.
>>
>> Ken
>>
>> At 07:24 PM 6/21/02 +0100, ian wrote:
>> >Hi all,
>> >Thanks very much for the replies - been very helpful.
>> >I'm actually fairly comitted to building this thing. I've found sources
>> >for all the old parts (except for the matrix!), and am in collaboration
>> >with an overseas friend who used to own one and is now building another.
>> >So, allthough it might not be wise, I'm going to do it! It's a project
>> >ripe for modding! I have a lot of plans for that already...
>> >I'll let you know how it goes.
>> >Ian
>> >
>> >
>> >
>> >
>> >
>> _______________________________________________________________________
>> Ken Stone   sasami at hotkey.net.au
>> Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
>>
>
>
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au  
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>