SAD1024-Reverb/modulation-Yugoslavia

Original effects with schematics, layouts and instructions, freely contributed by members or found in publications. Cannot be used for commercial purposes without the consent of the owners of the copyright.
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borislavgajic
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Post by borislavgajic »

:) enjoy....this was posted in YU magazine for hobbysts........sorry, but did not know where to post it.........

boris
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borislavgajic
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Post by borislavgajic »

clock section is capable of modulation(so chorus is optional :hmmm: ).........it would be nice to convert it for use with mn3005 (like in deluxe memory man) ...and mn3007........ :block:
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lolbou
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Post by lolbou »

Man, there seem to be some explanations about this SAD1024, but it's too bad I can't read it... Did you try and build one?
- Are you a mod or a rocker?
- Uh, no, I'm a mocker.

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Post by Dirk_Hendrik »

r25 goes to the wrong side of r8 :hmmm:
Sorry. Plain out of planes.

http://www.dirk-hendrik.com

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borislavgajic
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Post by borislavgajic »

no, I did not try to build one, but it looks interesting..........
....I do not know about those resistors.... :scratch:
'...if I am not wrong, r8 and T1 are virtual ground similar to IC1b network(R20,R21)....

G and H are stereo inputs,
P1 ...regeneration
P2...depth
P3....speed(of modulation lfo)
P4....intensity
P5.....delay time
E and F are outputs........

I would like to make one, but do not have any sad1024-s around :block: rest of it is easy.......that is why I am interested inhow to conwert it to MN3007 BBD :thumbsup

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Post by Dirk_Hendrik »

Correction, I meant C8.

Conversion to MN3207 is simpler.
Sorry. Plain out of planes.

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Post by himister »

borislavgajic wrote: I would like to make one, but do not have any sad1024-s around :block: rest of it is easy.......that is why I am interested inhow to conwert it to MN3007 BBD :thumbsup
I haven't seen this "SAM" publications since 198x. :D It's like back to the future(past) nostalgia.

Bro, if you do any conversions to MN3007 I hope to see it here soon! :thumbsup

Pozdrav zemljak!!!! :D

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borislavgajic
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...buzzaround,fuzzfactory,screwdriver,sho,superdouper,St-9,RogerMayer octavia,Tychobrahe octavia,paralelluniverse,string damper,slowgear
...CE-2,ibanez fL301,EH theCloneTheory
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Post by borislavgajic »

Dirk_Hendrik wrote:Correction, I meant C8.

Conversion to MN3207 is simpler.
so please mr Dirk could you post some drawings how to :?: :wink:
so this can be my next build (right after English Muffin).......thanks,and please do not post more pics of your pedals...(I am still depressed :lol: )


boris
:thumbsup

p.s.
https://www.diystompboxes.com/smfforum/ ... ic=72329.0
is this good?

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Post by Dirk_Hendrik »

why drawings (I'm a lazy fck ;) ), compare datasheets. The SAD1024 and MN3207 are both negative ground chips, the 3007 is not.

Then,
- Bring down the supply voltage in the BBD to 9 volts
- cut out the 2nd section of the SAD. The 3207 is 1024 steps already, the SAD is a double 512 steps.
- make the vgg supply by adding a diode (0.7 volts drop) in series to the 9 volts supply
- Use that 9 volts supply for IC5 too (so the clock pp voltage is 9 volts too)

So now you draw up a schematic, mail it to me and I'll make corrections (if needed) ;)
Sorry. Plain out of planes.

http://www.dirk-hendrik.com

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borislavgajic
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Posts: 1542
Joined: 27 Feb 2008, 14:23
Completed builds: ...script phase90,ETI phaser,Ross phaser,mutronC200,vox wah,WH10,FW-3,mutronIII,DrQuack,Penfoldautowah,Tubezipper,
Dipthonizer,seekwah,Talkingpedal,morleywha
...soulpreacher,dynacomp,compulator
...buzzaround,fuzzfactory,screwdriver,sho,superdouper,St-9,RogerMayer octavia,Tychobrahe octavia,paralelluniverse,string damper,slowgear
...CE-2,ibanez fL301,EH theCloneTheory
EHX bassmicrosynth,EHX EnglishMuffin,Tube Phaser,springtubereverb ,greyDOD,FulldriveII mosfet,OCD,VOX repeat percussion,RingStinger,Meatball,12stage phaser....
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Post by borislavgajic »

Dirk_Hendrik wrote:why drawings (I'm a lazy fck ;) ), compare datasheets. The SAD1024 and MN3207 are both negative ground chips, the 3007 is not.

Then,
- Bring down the supply voltage in the BBD to 9 volts
- cut out the 2nd section of the SAD. The 3207 is 1024 steps already, the SAD is a double 512 steps.
- make the vgg supply by adding a diode (0.7 volts drop) in series to the 9 volts supply
- Use that 9 volts supply for IC5 too (so the clock pp voltage is 9 volts too)

So now you draw up a schematic, mail it to me and I'll make corrections (if needed) ;)
thank you Dirk!........I'll do my best ....... :thumbsup

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