The CDB device consists of six Schmitt-Trigger inputs. Each circuit functions as an inverter with Schmitt-Trigger input. The trigger switches at different. Buy low price, high quality hefbp hef ic with worldwide shipping on Results for ” hef bp ic ” (28 Results) View More · ( China). DESCRIPTION. Each circuit of the HEFB functions as an inverter with Schmitt-trigger action. The Schmitt-trigger switches at different.
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View unread posts View new posts in the last week Mark the topic unread:: View next topic Goto page: Dec 30, Posts: Fri Feb 09, 5: I guess you all know the negistor and friends, but just in case: Jun 24, Posts: Fri Feb 09, Fri Feb 09, 2: It seems the 2N works for shure Jan 07, Posts: Sat Feb 17, 2: Parts of the circuit go backwards in time!?
I’m bpp that I’ve not heard of Negistors until now. When I can find those 2Ns that a kind souls sent to me in a synth doggiebag I’ll build one of these. Also, my Negistor searching yielded some neat stuff on this site – much of it is in German but I can make out some – more interesting circuits!
Uncle Krunkus Moderator Joined: Jul 11, Posts: Sydney, Australia Audio files: Sat Feb 17, 4: Just paste that URL into the webpage translator at babelfish. Not perfect, but bbp useful.
Sat Feb 17, 7: On the linked article see above there is a very simple circuit to test any transistor and see if it is a negistor. Many gp could be negistors CJ Miller wrote: Nov 10, Posts: Tue Feb 20, 1: I have tried several other transistors Luckily, they are still bountiful at Radio Shack.
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Oct 26, Posts: Mon Jan 18, 5: Probably not forum etiquette my son tells me this is called ‘necro-posting’ I just breadboarded this recent discovery the Cacophonator and I love it!
About to stripboard it. I’ll post the diagram here or elsewhere soon. Just wanted to know what the various pots actually are in terms of labeling a panel? I’m finding that shorting out various caps with a bit of wire momentarily is producing some alright tonal variations Might experiment more with this really fun noise maker!
Well, I like it anyway Jun 07, Posts: Mon Jan 18, 6: Mon Jan 18, 9: Spent a lot of time looking at your stuff. You take real pride in your work! I made an Atari Punk Console with a sequencer last week. Just made a vactrol I think you call themand put it in as an option to the 10K pot. Certainly takes the cocophonator to a new level. Got a simple two transistor LED flasher circuit hooked up with a pot to change the rate of flash.
This is so great this DIY thing! So glad I googled ‘build synth’ last year and ended up here! Bit of a major addiction going on I simply don’t sleep anymore. Jan 31, Posts: Allentown, PA Audio files: Mon Jan 18, Jan 20, Posts: Wed Jan 20, 7: I could really use the stripboard layout, as I am about to build it.
It would save me som time. Wed Jan 20, 8: Thu Jan 21, 2: Thanks I’ve been using this forum for at while as a ressource to nice audio-curcuits. Mostly on breadboard and stripboard. Looking forward to do more modular-like yet simple curcuits. Fri Jan 22, 2: I am away from home for a week. As soon as I return, I shall stripboard this up and post the diagram here.
Sorry about the delay. If you can wait a bit, I shall get this done as soon as I can. Jan 23, Posts: Sat Jan 23, 2: Hello everybody, i’m new on this forum though i read sdiy section periodically since i’ve become interested in synth diy and modding. Actually i do not like most of these bleeping noise “weird sound” generators, but this one sounds good and it is extremely simple and may be a nice piece for modular system.
But i’m afraid that this circuit is dedicated for use only with battery. Can anyone make a suggestions about powering it from Astyle power bus? Maybe the standard Doepfer-style solution like 0.
Sat Jan 23, 5: I’m well into the process of building a strip board 4016 now. I’ve modified the pcb layout to fit a strip board and included the extra capacitors and switches from the Cacophonator II kit from http: Wonder what happens if use use inverters instead og inverted schmitt triggers, probably not gonna work?
Sun Jan 24, Sun Jan 4006, 6: Apr 10, Posts: Munich, Germany Audio files: Tue Jan 26, 9: Wed Jan 27, Wed Feb 03, 7: This is really strange I built the Cocophonator on a breadboard and liked the sound. I made up a stripboard and it sounds like a completely different beast.
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The stripboard has that huge cap discharge when the power is unhooked, which my breadboard didn’t have to such a degree. Also with the breadboard when i shorted out the electrolytic caps I got really great sounds. The stripboard doesn’t seem to do this. Think I liked the breadboard better. Only problem is I pulled a lot of components off the board to build the stripboard.
Obviously I went wrong with one of these A lesson to learn: Don’t pull apart breadboards straight away!