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 Forum index » DIY Hardware and Software » Thomas Henry designs
My twin SN-Voice
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Uncle Krunkus
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PostPosted: Mon Nov 13, 2006 11:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

You can put one of the round metal can types into an 8 pin DIP footprint. That's what's on the ASM2. I've put MAT02s into the 8P-DIP on that, and it works fine. (With room for a tempco to lay erotically underneath each one Laughing Wink )
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sneakthief



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PostPosted: Tue Nov 14, 2006 1:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Same here, Unkle Krunkus - all of my ASM Vco's (ASM-2 & Bi-N-Tic) use MAT-02 metal cans and I have them working perfect in 8-PIN DIP IC-sockets.

Bill, do you have any reasons why one should avoid doing this?

Cheers,
michel

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Scott Stites
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PostPosted: Tue Nov 14, 2006 12:02 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
Balancing play, family, and work is a challenge my friend.


It's really quite easy - all you have to do is enslave them in your DIY mill. For example, I've chained my son to the breadboard and I'm always sure to feed him when he gets results. My wife, bless her heart, has finally learned that her soldering efficiency is directly linked to how much time she gets in the excercise yard. We're all one big happy family!*


Cheers,
Scott

*As long as you keep the other members separated, of course. They tend to hatch plots of escape when they're placed too close together.
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State Machine
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PostPosted: Tue Nov 14, 2006 12:59 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
Bill, do you have any reasons why one should avoid doing this?



I wrote:

Quote:
Just make sure when you all purchase the LM394 matched transistor pair that you get the 8-PIN DIP style package. The board will not use the metal can


I retract this statement .... Embarassed

Yup, you fellas are correct. You CAN use METAL CANs if you sort of shape the legs a bit. I was thinking strictly asthetics at the time .... Very Happy So, if you have a can, use it for sure Very Happy

I put in for the manufacture of 60 boards! The documentation is done, the connectors, sockets (except the skinny), headers and pins are all ordered! I will be getting the first run of PCB's in 14 days. I will build up a board for personal use and check things out.

If all is a GO, I shall give you all pricing and start the ordering process! The board price is firm at $18.00 each. I will price the connector kits soon.

More soon!
Bill
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mono-poly



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PostPosted: Wed Nov 15, 2006 4:38 am    Post subject: Reply with quote  Mark this post and the followings unread

Let me know if i can signup for 2 boards Smile
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State Machine
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PostPosted: Wed Nov 15, 2006 7:15 am    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
Let me know if i can signup for 2 boards


Sure, I am doing a run of 60 boards. When I post the announcement for orders, it will be first come first serve. I will, however, treat all the people on this thread, ordered by date posted, as being the first in line so you are in sir ... Very Happy

Bill
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State Machine
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PostPosted: Wed Nov 15, 2006 7:26 am    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
It's really quite easy - all you have to do is enslave them in your DIY mill. For example, I've chained my son to the breadboard and I'm always sure to feed him when he gets results. My wife, bless her heart, has finally learned that her soldering efficiency is directly linked to how much time she gets in the excercise yard. We're all one big happy family!*


Very Happy Very Happy Very Happy Hmmmm, so thats the secret !!!
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v-un-v
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PostPosted: Wed Nov 15, 2006 8:29 am    Post subject: Reply with quote  Mark this post and the followings unread

State Machine wrote:
Balancing play, family, and work is a challenge my friend. Shocked

First and foremost, BE HAPPY !!!


aww- State Macheee, thanks for the kind words Very Happy

Its a pisser indeed- and here I am hangin on EM when I really should be........ Shocked Laughing

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Scott Stites
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PostPosted: Wed Nov 15, 2006 11:17 am    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
Hmmmm, so thats the secret !!!


Yes, and it delivers in spades! Here's a pic of my little Igor delivering my Triple EG module ahead of schedule.


Quote:
here I am hangin on EM when I really should be........


That Howard Moscovitz, he's just an electro-music enabler!

Cheerio,
Scott


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Now where's my Popcicle?
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germaniac



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PostPosted: Wed Nov 15, 2006 11:27 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi Friends,

Any chance the LM394 can be subbed with a 2SC1583? I have some of those on hand. . . .

BTW, awesome-looking board Mr. Machine!


Quote:
It's really quite easy - all you have to do is enslave them in your DIY mill. For example, I've chained my son to the breadboard and I'm always sure to feed him when he gets results. My wife, bless her heart, has finally learned that her soldering efficiency is directly linked to how much time she gets in the excercise yard.

Ah, so THAT'S how you're able to get as much done as three people! I always secretly thought you had a clone or a robot or an evil twin named Truman S. Barksdale or something. . . .

Regards,
Joe
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Scott Stites
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PostPosted: Wed Nov 15, 2006 11:51 am    Post subject: Reply with quote  Mark this post and the followings unread

A 2SC1583 would work, not quite as well as the LM394, but it certainly would be doable, I'd think. Might take some pretzlizing to fit into the PCB.

Barksdale actually authored the more psychotic Klee samples - Third Eye Tiara was the centerpiece of a suite he'd been working on. Got turned down on his application for that Ice Capades gig (for which these samples were demos), and went missing again. Local authorities are baffled and they've tightened security at TI. It's a shame - if anyone could market "Buns of Klee" it would be him.

Cheerios,
Scott
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State Machine
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PostPosted: Wed Nov 15, 2006 2:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
Yes, and it delivers in spades! Here's a pic of my little Igor delivering my Triple EG module ahead of schedule.


That is a great picture !!! I love it!

Hmmmm, hey, no ESD strap! Oh Scott, what were you thinking? Very Happy Very Happy

Bill
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State Machine
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PostPosted: Wed Nov 15, 2006 2:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
(With room for a tempco to lay erotically underneath each one


The SN voice board has the TEMPCO over the top of the LM394. A bit of thermal compound will then be used to make a small fillet between the TEMCPO and the body of the LM394 to equalize the temperature.

Bill


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Scott Stites
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PostPosted: Wed Nov 15, 2006 2:23 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
Hmmmm, hey, no ESD strap! Oh Scott, what were you thinking?


The ankle chain has a 1M resistor to ground Very Happy
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fluxmonkey



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PostPosted: Wed Nov 15, 2006 4:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:

Sure, I am doing a run of 60 boards. When I post the announcement for orders, it will be first come first serve. I will, however, treat all the people on this thread, ordered by date posted, as being the first in line so you are in sir ... Very Happy
Bill


if this is the queue, then I better line up... 2 for me, por favor!

bbob
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chonald



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PostPosted: Wed Nov 15, 2006 7:48 pm    Post subject: Reply with quote  Mark this post and the followings unread

Ohhh. Has anyone started designing a front panel?

I think this would be next in line.
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synthmonger



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PostPosted: Thu Nov 16, 2006 2:50 am    Post subject: Reply with quote  Mark this post and the followings unread

Nice work!

I'd also be interested in a couple PCB's. Pre-made pcbs are a huge time saver 8D
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fonik



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PostPosted: Thu Nov 16, 2006 3:03 am    Post subject: Reply with quote  Mark this post and the followings unread

chonald wrote:
Ohhh. Has anyone started designing a front panel?

which format do you have in mind? my modular is in eurorack and i use schaeffer front panel designer...
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sneakthief



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PostPosted: Thu Nov 16, 2006 6:06 am    Post subject: Reply with quote  Mark this post and the followings unread

Some layouts:

1. Scott Stites' 19" front panel (PDF of this available along with SN-Voice schematics on Scott's SN-Voice page http://mypeoplepc.com/members/scottnoanh/birthofasynth/id22.html

Posted Image, might have been reduced in size. Click Image to view fullscreen.


2. Tim's (aka Servo at Magic Smoke) Euro-rack layout:

Posted Image, might have been reduced in size. Click Image to view fullscreen.

3. My Frac-rack layout:

Posted Image, might have been reduced in size. Click Image to view fullscreen.

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fonik



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PostPosted: Thu Nov 16, 2006 6:15 am    Post subject: Reply with quote  Mark this post and the followings unread

hey sneakthief,

i like your layout the most. why? if you have a small panel format (like euro or frac) IMO it's the best to have the pots in rows. tim's layout will be a little bit harder to operate...
and i like the idea to have the trimmers panel mounted. that makes it much easier to calibrate afterwards! i will incorporate this feature in my future projects, i think.

cheers,
matthias
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chonald



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PostPosted: Thu Nov 16, 2006 6:37 am    Post subject: Reply with quote  Mark this post and the followings unread

I'd be interested in a MOTM front panel.

It's just too bad i can't run Front Panel Express on a Mac.

Cole
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sneakthief



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PostPosted: Thu Nov 16, 2006 6:47 am    Post subject: Reply with quote  Mark this post and the followings unread

Vielen Dank Matthias!

If anyone is using my layout as a basis for their own and doesn't want the 556-mixers, they should use something like this layout instead - it adds a knob for PWM and one between Attack & Release called "Env". It controls envelope speed - the mod for this is on Scott's page.

Posted Image, might have been reduced in size. Click Image to view fullscreen.

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elektro80
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PostPosted: Thu Nov 16, 2006 6:50 am    Post subject: Reply with quote  Mark this post and the followings unread

chonald wrote:
I'd be interested in a MOTM front panel.

It's just too bad i can't run Front Panel Express on a Mac.

Cole


Perhaps that app might run in Crossover/Vine
http://www.codeweavers.com/products/cxmac/macdeal/

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elektro80
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PostPosted: Thu Nov 16, 2006 6:58 am    Post subject: Reply with quote  Mark this post and the followings unread

Front Panel Express seems to be running fine on my Mac now. Try Crossover! Very Happy
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chonald



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PostPosted: Thu Nov 16, 2006 12:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

"Note: CrossOver Mac requires an Intel based CPU in your Mac"

I have an older Tiger, with a PowerPC chip. So it won't work.
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