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Which stripboard layout next?
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Which project should Uncle Krunkus do a stripboard layout of next?
The STD-1 Delay (MN3011)
35%
 35%  [ 6 ]
The Dimension-C ZCF (MN3207)
29%
 29%  [ 5 ]
Some type of sequencer (4017?)
35%
 35%  [ 6 ]
Total Votes : 17

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Uncle Krunkus
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PostPosted: Fri Jan 06, 2006 4:40 am    Post subject: Which stripboard layout next? Reply with quote  Mark this post and the followings unread

I know I've got heaps to do, but sometimes late at night when the soldering iron's gone cold I like to fire up Lochmaster and tease my brain trying to fit components into smaller and smaller spaces.
So,
here's a chance for you guys to have some input on the next stripboard layout I do. It also gives me a chance to try out that poll thing down the bottom of the page.
I'm keen on any of these 3 at the moment but add another option if you've got a good one.
1. The STD-1 delay (which you can find a good description of on Scott Stites site) It's stereo and based on the MN3011 multi tapped BBD.
2. The Dimension-C, including as many of the enhancements in Scott's ZCF version as possible. It's a spectacular stereo chorus-like effect with no LFO swirling, based on 2 MN3207s (bit easier to find than 3011s)
3. Some type of sequencer, could be very simple, like the one we roughed out in that other thread, could be more advanced if people want it to be.
Okay, I'll try out the polling thing now and see how it goes Wink Shocked
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Wild Zebra



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PostPosted: Fri Jan 06, 2006 8:42 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh thats a tuff one. I'd like all three, but I'd say delay, seq, chorus. Thats that vc controlled delay, right? Thanks Krunkus looking forward to the results.
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choklitlove



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PostPosted: Fri Jan 06, 2006 9:47 am    Post subject: Reply with quote  Mark this post and the followings unread

i voted sequencer. but, i wouldn't mind a delay. i just don't think i'd make it.

a really complicated sequencer would be awesome, but then you've got to think about whether or not i would be able to make it.

make whichever, and we'll still build it.
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deknow



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PostPosted: Fri Jan 06, 2006 10:22 am    Post subject: Reply with quote  Mark this post and the followings unread

...diy simple sequencers are harder to come by than effects...i'd vote for a sequencer (and i might even build one).

deknow
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Wild Zebra



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PostPosted: Mon Jan 09, 2006 2:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

Man 5 votes. 58 views. I'm given this one more airtime Krunkus.
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zipzap



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PostPosted: Mon Jan 09, 2006 4:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

hi there
whats a stripboard? Where can i get one?
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Uncle Krunkus
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PostPosted: Mon Jan 09, 2006 6:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

What do you mean Zeb? Can you extend the life of the poll somehow?

Hey Zip,
Stripboard is like umm,.... Look at this link


They have copper strips which bridge holes along the length of the board.
Here's what a layout looks like: -

[note : I've edited the link to make the page layout less wide, Blue Hell]


SLGuitar.jpg
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SLGuitar.jpg


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Scott Stites
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PostPosted: Mon Jan 09, 2006 7:54 pm    Post subject: Reply with quote  Mark this post and the followings unread

The STD-1 is, by original design, voltage controllable.

The Dimension C originally was not, but I put in voltage control of the delay lines (CV modulates the delay lines in complementary fashion like the LFO does). A high modulation index and/or faster freqs than index turns it into quite a different critter. Envelopes, S&H, and pulse waves are fun to feed it with.

Sequencers can be voltage controllable as well. The clock can be made voltage controllable (or you could design it so that the signal from a VCO could drive it). Some sequencers have voltage controlled selection of active step. For example, inputting a triangle wave LFO will cause the steps to 'seesaw' back and forth at the rate of the LFO. Higher amplitude causes more steps on either side of the swing to become active as it swings through them.

Best Regards,
Scott
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Uncle Krunkus
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PostPosted: Mon Jan 09, 2006 9:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

The simple sequencer is kind of coming along as I experiment, so it looks like the winner will be the STD-1 delay. (You may have to help me get the MN3011s Scott, hey, have got any LM13700s, I'll do ya a swap if you like).
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kokoon



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PostPosted: Mon Jan 09, 2006 10:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

you can get the MN3011 @small bear for 16$. i just ordered a set of 3207 and 3205s (to europe) and it went through okay (i just need to pick them up at the post office)

http://www.smallbearelec.com/Detail.bok?no=457
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kokoon



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PostPosted: Mon Jan 09, 2006 10:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

oh and by the way i vote for the 3011 project. how many of them do we need?
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Wild Zebra



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PostPosted: Tue Jan 10, 2006 7:33 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh I was just saying that this topic has a lotta hits and not alot of votes. Its all bueno though. Every will benifit even if they don't vote, Right Wink Laughing.
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Scott Stites
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PostPosted: Tue Jan 10, 2006 7:36 am    Post subject: Reply with quote  Mark this post and the followings unread

Congrats on the decision. The STD-1 will be quite a project!

Each STD-1 will require one MN3011. You'll need two NE/SA572's (the Cadillac of the Phillips compandor line) for each STD-1 as well. The NE572 isn't too hard to get hold of. In fact, it's still in production by On Semi (Phillips stopped making it when their fab burned down). IIRC, Small Bear carries them as well.

There are a number of different op amps, all are obtainable at least here.

The one bit of unobtainium (at least in this part of the world) is the dual tracking regulator in the power supply. The STD-1 uses a +/-16V power supply - they squeeze every bit of S/N out of the MN3011 that they can, and higher operating voltage (obviously not too high) is one way of doing it. That may be one thing that would either need redesigned or bought off the shelf if you can't find the regulator.

Uncle K - I'm pretty sure Small Bear will ship to Oz, if not, I'll certainly help you out! Steve Daniels is a top notch guy, BTW.

Take care,
Scott
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PostPosted: Tue Jan 10, 2006 10:16 am    Post subject: Reply with quote  Mark this post and the followings unread

The LFO arrangment of the STD-1 is pretty nice in itself. There are actually two LFO's, one LFO frequency modulates the other. The frequency control of the main LFO decreases the amplitude as the frequency is increased to give a smoother transistion from low to high frequency modulation.

Awhile back I breadboarded the LFO section, clock, and part of the audio section of an STD-1. Instead of using an MN3011, I used a sacrifical MN3007 just in case I had anything screwed up - rather lose the '07 than an '011.

The LFO was put in, and, to be honest, the MN3007 and filtering was put in a bit haphazardly - the clock and BBD were way too far apart (a big no-no in the world of BBD's). I didn't have any companding, and the regen mixing was done by the mixer in my modular. I used inverted and non-inverted regen by inverting the signal at the mixer. A less than ideal setup.

I made one sample of it, and it was torn down to make way for a more expedient project. I'm attaching the sample here. Don't expect an STD-1 to have near the noise and distortion this has (remember, no companding, poor location of BBD to clock, impromptu regen mixing). And of course, an MN3007 has only one tap, so the tapped stuff doesn't figure into it at all.

It's basically an example of the LFO/clock in action. I used my Korg DW6000 as the signal source. The very first part is 'dry', then I go in and fiddle with settings of LFO, regen mix, etc.

Getting back to the LFO, it's really a great design - you can have a fast modulation riding on a slower modulation. You can get a sort of 'flanging chorus' or 'flanging vibrato' or 'chorusing vibrato' or....well, you get the picture. Very Happy

Cheers,
Scott
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dnny



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PostPosted: Tue Jan 10, 2006 11:43 am    Post subject: Reply with quote  Mark this post and the followings unread

the poll is somehow broken - i can´t post my vote so here it comes
: "Some type of sequencer" -
or the DS7 -drum synce or the DS8
or the ... Smile

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Pehr



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PostPosted: Tue Jan 10, 2006 11:51 am    Post subject: Reply with quote  Mark this post and the followings unread

dnny wrote:
or the DS7 -drum synce or the DS8
or the ... Smile


or a trigger sequencer for the DS7/DS8 Cool

.

Last edited by Pehr on Tue Jan 10, 2006 12:04 pm; edited 3 times in total
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PostPosted: Tue Jan 10, 2006 11:55 am    Post subject: Reply with quote  Mark this post and the followings unread

I fixed the poll. Somehow, it was set to expire after 4 days. I reset the expiration to 0 days - which is never expire. Aren't computers logical? Rolling Eyes
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Wild Zebra



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PostPosted: Tue Jan 10, 2006 12:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

hijack, still haven't gotten around to that DS7 dnny.
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zipzap



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PostPosted: Tue Jan 10, 2006 12:40 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hey this stripboard thing looks cool!
so far i did everything on those bords that got no stripes, just little holes. Lots of little wires brought me close to nerval breakdown... Twisted Evil
Are there any places in the web where one can find designs? maybe here?
bdw onkle Krunkus: whats that distortion thing you posted as an example?
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Wild Zebra



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PostPosted: Tue Jan 10, 2006 12:59 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
so far i did everything on those bords that got no stripes, just little holes. Lots of little wires brought me close to nerval breakdown...

Not exactly sure what your trying to say here? But the layout above is a guitar trigger for the SoundLab http://www.musicfromouterspace.com/analogsynth/SOUNDLABMINISYNTH/soundlab.html which also has a stripboard layout via Krunkus. If your into guitars aron nelson's stompbox forum has lots of wonderful layouts. And the peeps over there are very helpful (sometimes Laughing )
http://www.elixant.com/~stompbox/smfforum/

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zipzap



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PostPosted: Tue Jan 10, 2006 1:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

nice link
I´m trying to say that i use perfboard as it is called i think. When i build something like an adsr eg with ics and few discrete parts i use little wires to connect the ic-pins. that i don´t like.
I gota try eaching some boards, with drawing the layout, no photo stuff, but i haven´t got a stand for my drill and without i think its almost impossible to drill the holes at the right distance to fit ics. Got to get one i guess.
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Wild Zebra



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PostPosted: Tue Jan 10, 2006 2:16 pm    Post subject: Reply with quote  Mark this post and the followings unread

I'm pickin up what your laying down. heres a discussion about press and peel blue http://electro-music.com/forum/topic-6542.html. I think I'll refrain from derailing this original topic anymore. Sorry U.K. Embarassed
Last edited by Wild Zebra on Tue Jan 10, 2006 2:45 pm; edited 1 time in total
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zipzap



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PostPosted: Tue Jan 10, 2006 2:30 pm    Post subject: Reply with quote  Mark this post and the followings unread

i have heard of press an peel. i have to give it a try!
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blue hell
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PostPosted: Tue Jan 10, 2006 2:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

zipzap wrote:
but i haven´t got a stand for my drill and without i think its almost impossible to drill the holes at the right distance to fit ics. Got to get one i guess.


When you have (etched) guidance holes in the middle of the pads it's actually easier to drill by hand. Well for me it always was, I was breaking less drills that way.

Easiest it is with a small handheld drill, something like : http://www.dremel.com/HTML/home_fr.html for instance. But with a normal "household" drill it's possible as well (when you can find one that will hold sub-milimer drills, not many do) when you set it run permanently so you can use two hands to guide it - it gets somewhat heavy after a while though.

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Uncle Krunkus
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PostPosted: Tue Jan 10, 2006 4:03 pm    Post subject: Reply with quote  Mark this post and the followings unread

No worries Zeb, I like seeing where a chat ends up!
Pehr, check out my robotic ride cymbal, that's where the trigger sequencer will come from.
Dnny, I'm already keen on doing a stripboard for 2 DS7s which uses an LM13700 for the 2 OTAs as I have heaps of them. I think the STD-1 might come first though.
Mosc, I set it to expire after 4 days, I thought that was all it would need. Embarassed
Scott, I'll look into acquiring the 3011s and the 572s further down the track. I've already got a great +/- precision PSU design which will be able to dial up 16V on each rail and stay there. And I have a spare 15-0-15 torroidal. I'm starting to think this project will be alot bigger than just "doing a stripboard layout"!! Laughing
But that's where I'll start. They usually need to be refined a fair bit anyway. Thanks for the clock-BBD proximity heads up. Didn't know about that. I put them close in the flanger, (just luck!)

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