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| Page 1 of 5 [123 Posts] | Goto page: 1, 2, 3, 4, 5 Next |
| Author | Message |
|---|---|
 Topic: PM VCO Schematic |
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| J3RK Replies: 2 Views: 3711 |
Posted: Tue Feb 21, 2017 3:58 pm Subject:
PM VCO Schematic
Forum: DIY Hardware and Software |
| Here are a couple of examples. These were done before I made the last of the component value adjustments (which are in the posted schematic). So, it actually sounds a bit cleaner now.
http://yout ... |
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| Topic: PM VCO Schematic |
|
| J3RK Replies: 2 Views: 3711 |
Posted: Tue Feb 21, 2017 3:56 pm Subject:
PM VCO Schematic
Forum: DIY Hardware and Software |
| Hey!
Just thought I'd put this here as well since I also posted it over at Muff's. It's a phase modulation VCO. It's a modified version of Ian Fritz' modified version of the Terry Michaels EN saw ... |
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| Topic: Voltage Controlled State Variable Filter |
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| J3RK Replies: 7 Views: 13466 |
Posted: Tue Feb 21, 2017 3:49 pm Subject:
Voltage Controlled State Variable Filter
Forum: DIY Hardware and Software |
| Nice! I love the simplicity there. I wonder if you can do voltage controlled resonance using a transistor as well. | |
| Topic: 2017 Build Photos! |
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| J3RK Replies: 101 Views: 88518 |
Posted: Mon Jan 09, 2017 10:59 am Subject:
2017 Build Photos!
Forum: DIY Hardware and Software |
nice synth and a nice photo J3RK, would love to see a bit more of it. Love the arcade buttons 
I still have a couple of those laying around here which I should use someday, hmm actually I might h ... |
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| Topic: 2017 Build Photos! |
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| J3RK Replies: 101 Views: 88518 |
Posted: Mon Jan 09, 2017 10:58 am Subject:
2017 Build Photos!
Forum: DIY Hardware and Software |
Wow... Looks really nice and lovely...  
Feel a bit reminded of old Serge modules... Can i ask what modules it contain? Here's a list. Panel 1 FlexWave Complex Dual VCO ... |
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| Topic: 2017 Build Photos! |
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| J3RK Replies: 101 Views: 88518 |
Posted: Fri Jan 06, 2017 11:55 am Subject:
2017 Build Photos!
Forum: DIY Hardware and Software |
More of a 2016 project really, but I finished in 2017.  |
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| Topic: New Complex Oscillator Project - FlexWave VCO |
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| J3RK Replies: 4 Views: 4703 |
Posted: Tue Feb 23, 2016 2:21 pm Subject:
New Complex Oscillator Project - FlexWave VCO
Forum: DIY Hardware and Software |
| Sorry for the delay! However, this is an updated set of files after thoroughly testing the prototype.
Note, I've used the diode core of Jurgen Haibles Wavefolder B under license from Random*Source ... |
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| Topic: New Complex Oscillator Project - FlexWave VCO |
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| J3RK Replies: 4 Views: 4703 |
Posted: Tue Jan 05, 2016 11:37 pm Subject:
New Complex Oscillator Project - FlexWave VCO
Forum: DIY Hardware and Software |
| Oops, I seem to have given bad links... Fixing... | |
| Topic: New Complex Oscillator Project - FlexWave VCO |
|
| J3RK Replies: 4 Views: 4703 |
Posted: Tue Jan 05, 2016 5:56 pm Subject:
New Complex Oscillator Project - FlexWave VCO
Forum: DIY Hardware and Software |
| Hey!
I've got a new oscillator project for anyone interested. I'll be doing some PCBs, but I've got several people helping with panel designs in various formats, Control and IO PCBs, etc. The pro ... |
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| Topic: Sync for VCO1 |
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| J3RK Replies: 10 Views: 15800 |
Posted: Wed Dec 30, 2015 5:39 pm Subject:
Sync for VCO1
Forum: DIY Hardware and Software » Thomas Henry designs |
| Hey!
About half-way down this page: https://www.muffwiggler.com/forum/topic-151416-0-25.html I made a post with a schematic that should show you ... |
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| Topic: Angle Generator |
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| J3RK Replies: 1 Views: 2003 |
Posted: Wed Jul 22, 2015 8:17 pm Subject:
Angle Generator
Forum: DIY Hardware and Software |
| The second part is a variable level analog OR circuit that one could use to mix more than one of these together for complex shapes along the lines of the 281. This circuit is tested, and has worked q ... | |
| Topic: Angle Generator |
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| J3RK Replies: 1 Views: 2003 |
Posted: Wed Jul 22, 2015 8:14 pm Subject:
Angle Generator
Forum: DIY Hardware and Software |
| Hello,
I just posted these at Muff's, and thought I'd toss them up here as well. The first item is a linear slope generator (Angle Generator) that has a cycle switch, and mode switch for level or ... |
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| Topic: 8bit random generator |
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| J3RK Replies: 4 Views: 6353 |
Posted: Fri Apr 24, 2015 9:13 am Subject:
8bit random generator
Forum: DIY Hardware and Software |
Very nice! I just did something similar, but in reverse. Noise>Comparator>LFSR>R/2R to get CVs out of noise. (kinda NoiseRingish)
 |
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| Topic: An Easy AD Envelope Generator |
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| J3RK Replies: 86 Views: 165244 |
Posted: Wed Apr 08, 2015 8:09 am Subject:
An Easy AD Envelope Generator
Forum: DIY Hardware and Software » Thomas Henry designs |
| You might be able to skew the taper or the pot a bit with a resistor. | |
| Topic: 2015 Build Pictures |
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| J3RK Replies: 135 Views: 122318 |
Posted: Tue Mar 31, 2015 1:52 pm Subject:
2015 Build Pictures
Forum: DIY Hardware and Software |
| Here's a little Frac system I'm working on right now.
http://home.comcast.net/~r3cogniz3r/BlueFrac.jpg |
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| Topic: Buchla VCO |
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| J3RK Replies: 162 Views: 311257 |
Posted: Mon Mar 16, 2015 3:45 pm Subject:
Buchla VCO
Forum: DIY Hardware and Software |
| You should have no problem doing this with a capacitor. What I would do is connect one lead of a 100nF cap to one lead of the 4.7nF cap. Then use an SPST switch between the other two ends. That way ... | |
| Topic: Wider Range LFO |
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| J3RK Replies: 3 Views: 7699 |
Posted: Tue Jan 27, 2015 11:22 am Subject:
Wider Range LFO
Forum: DIY Hardware and Software » Thomas Henry designs |
| Would the little CV section from this circuit work to allow voltage control? It's a little VC integrator thingie I use for PLLs. I typically just use a simplified triangle core VCO (ala EN, VCO-1, e ... | |
| Topic: 2015 Build Pictures |
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| J3RK Replies: 135 Views: 122318 |
Posted: Fri Jan 16, 2015 12:20 am Subject:
2015 Build Pictures
Forum: DIY Hardware and Software |
|
I've been thinking about another green one actually! I'm thinking of 5U, green panels, and bananas. I think I'm more or less done making larger single-panel systems. It's so much easier to ac ... |
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| Topic: 2015 Build Pictures |
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| J3RK Replies: 135 Views: 122318 |
Posted: Thu Jan 15, 2015 10:01 pm Subject:
2015 Build Pictures
Forum: DIY Hardware and Software |
| http://home.comcast.net/~r3cogniz3r/StrohModular5U-Black.jpg | |
| Topic: Buchla VCO |
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| J3RK Replies: 162 Views: 311257 |
Posted: Mon Dec 22, 2014 2:35 pm Subject:
Buchla VCO
Forum: DIY Hardware and Software |
| I agree 100%. Ditch the switch. It's a nice idea, but the execution is very unreliable. Lifting resistor ends, and wiring a 3P switch... IMO it's not worth it. If you want both square and saw ver ... | |
| Topic: 2014 Build Pictures |
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| J3RK Replies: 155 Views: 136792 |
Posted: Fri Dec 19, 2014 10:02 am Subject:
2014 Build Pictures
Forum: DIY Hardware and Software |
| I've got all but one 2U gap filled in now. Just have about 50% of the panel wiring to do now. The last module is a State Variable Filter, with VC Resonance, spare VCA, and input mixing. There are m ... | |
| Topic: Buchla VCO |
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| J3RK Replies: 162 Views: 311257 |
Posted: Fri Dec 19, 2014 9:55 am Subject:
Buchla VCO
Forum: DIY Hardware and Software |
| I agree 100%. Ditch the switch. It's a nice idea, but the execution is very unreliable. Lifting resistor ends, and wiring a 3P switch... IMO it's not worth it. If you want both square and saw ver ... | |
| Topic: Variable Gate Length |
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| J3RK Replies: 19 Views: 20033 |
Posted: Fri Dec 05, 2014 3:25 pm Subject:
Variable Gate Length
Forum: DIY Hardware and Software |
| That's what Phobos' circuit is. I suggested voltage controlling the duration.
. Ah, I didn't look closely. I've built a few transistor monostable circuits, and they work pretty well. I haven't t ... |
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| Topic: Variable Gate Length |
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| J3RK Replies: 19 Views: 20033 |
Posted: Tue Dec 02, 2014 12:07 pm Subject:
Variable Gate Length
Forum: DIY Hardware and Software |
| You could do this with a monostable circuit. | |
| Topic: Couple of Schematics (VCO and Sequencer) |
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| J3RK Replies: 7 Views: 8746 |
Posted: Tue Apr 29, 2014 11:58 am Subject:
Couple of Schematics (VCO and Sequencer)
Forum: DIY Hardware and Software |
| Thanks Mattias!
I had a little help with it, but it was a lot of fun! My cousin is actually a designer of broadcast electronics, and does this sort of thing as a hobby as well, so we collaborated ... |
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| Page 1 of 5 [123 Posts] | Goto page: 1, 2, 3, 4, 5 Next |
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