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 Forum index » DIY Hardware and Software » fonik's place
My Simple Clock Divider
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cablebasher



Joined: Mar 18, 2014
Posts: 3
Location: london

PostPosted: Tue Mar 18, 2014 2:04 am    Post subject: Reply with quote  Mark this post and the followings unread

Hey, just wondering if any PCBs were ever made for this module and if so, are they for sale. Could really use one in my euro setup.

If not, does anyone have any photos of breadboards or perfboards of the circuit that I could use for reference.

Following schematics was never my strong point.

Thanks.
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fonik



Joined: Jun 07, 2006
Posts: 3854
Location: Germany
Audio files: 23

PostPosted: Tue Mar 18, 2014 3:56 am    Post subject: Reply with quote  Mark this post and the followings unread

not yet. just my prototypes, however, i could revive this project. and offer eurorack front panels as well.
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cheers,
matthias
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LFLab



Joined: Dec 17, 2009
Posts: 419
Location: Rosmalen, Netherlands

PostPosted: Wed Mar 19, 2014 3:26 am    Post subject: Reply with quote  Mark this post and the followings unread

Made one on perfboard, quite simple. But my perfboard layouts are done on the fly, and are hardly exemplary!
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cablebasher



Joined: Mar 18, 2014
Posts: 3
Location: london

PostPosted: Fri Mar 21, 2014 9:53 am    Post subject: Reply with quote  Mark this post and the followings unread

I would definitely buy a PCB and panel if an order was placed.

If not, a breadboard or perfboard photo would be great for reference to build my own.

Cheers.
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philoop



Joined: Aug 19, 2011
Posts: 15
Location: hamburg

PostPosted: Sat Mar 22, 2014 7:55 am    Post subject: clock divider Reply with quote  Mark this post and the followings unread

hallo fonik! i got some spare cd 4020....could i extend the resoulution to 64 128 256? and how?
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roglok



Joined: Aug 28, 2010
Posts: 199
Location: uptown

PostPosted: Fri Mar 28, 2014 4:52 am    Post subject: Reply with quote  Mark this post and the followings unread

matthias, i have a working stripboard layout for your divider (thanks for sharing!). are you OK with me posting the layout here?
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fonik



Joined: Jun 07, 2006
Posts: 3854
Location: Germany
Audio files: 23

PostPosted: Fri Mar 28, 2014 7:39 am    Post subject: Re: clock divider Reply with quote  Mark this post and the followings unread

philoop wrote:
hallo fonik! i got some spare cd 4020....could i extend the resoulution to 64 128 256? and how?

shure. one could even add an additional switch to select certain divisions. however, the 4020 is not pin compatible...

BTW the inverters are not needed, they are just my appreoach/idea to divisions.

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cheers,
matthias
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fonik



Joined: Jun 07, 2006
Posts: 3854
Location: Germany
Audio files: 23

PostPosted: Fri Mar 28, 2014 7:40 am    Post subject: Reply with quote  Mark this post and the followings unread

roglok wrote:
matthias, i have a working stripboard layout for your divider (thanks for sharing!). are you OK with me posting the layout here?

go ahead. this is the DIY forum Very Happy

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cheers,
matthias
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roglok



Joined: Aug 28, 2010
Posts: 199
Location: uptown

PostPosted: Fri Mar 28, 2014 9:28 am    Post subject: Reply with quote  Mark this post and the followings unread

fonik wrote:
roglok wrote:
matthias, i have a working stripboard layout for your divider (thanks for sharing!). are you OK with me posting the layout here?

go ahead. this is the DIY forum Very Happy


kewl! here goes!


fonik_divider_2.pdf
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roglok



Joined: Aug 28, 2010
Posts: 199
Location: uptown

PostPosted: Fri Mar 28, 2014 9:30 am    Post subject: Reply with quote  Mark this post and the followings unread

it's been a while since i've done this one, so it's not as compact as my newer layouts, but unless you are building a tight skiff, it should work...
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acidblue



Joined: Jun 26, 2009
Posts: 216
Location: The Darkside

PostPosted: Mon Jan 09, 2017 1:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

Forgive me for asking a stupid question in an old thread.
But what is the 4069 for?
Couldn't you take the signal from the 4024 into the transistors??
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fonik



Joined: Jun 07, 2006
Posts: 3854
Location: Germany
Audio files: 23

PostPosted: Mon Jan 09, 2017 1:50 pm    Post subject: Reply with quote  Mark this post and the followings unread

you could. i use the 4069 inverters to invert the logic.
a normal divider goes to all OFF when receiving a reset, mine goes to all ON.

you may want to have both options?

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cheers,
matthias
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acidblue



Joined: Jun 26, 2009
Posts: 216
Location: The Darkside

PostPosted: Mon Jan 09, 2017 1:57 pm    Post subject: Reply with quote  Mark this post and the followings unread

Ohhhh, pretty clever of you.
Thanks Fonik.
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Grumble



Joined: Nov 23, 2015
Posts: 482
Location: Netherlands
Audio files: 17

PostPosted: Mon Jan 09, 2017 3:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

Posted Image, might have been reduced in size. Click Image to view fullscreen.
I just saw this part of the citcuit and I noticed that the switch S1 is connected wrong in this picture: the switch is drawn in rest position indicated by the small arrow in the pushbutton, but in this position (NC) the way it is connected the Reset pulse coming into connector J2 will have no effect since R1 is at +15V level.
So the resistor R1 should be connected to the other now unconnected pin of the switch S1 being the normally open (NO) connection of the switch.
I thought this might be helpfull for any diy-er who likes to build this module.
Other than this nothing but kudos for Fonik Very Happy
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