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4017 Baby Sequencer Stripboard

Thanks for the compliments Speedy RB. I build everything onto stripboard but not everything gets to be a presentable illustration worth posting. Most of the circuits I have made are either hand drawn...

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ARP Odyssey MKII/III VCO - Eurorack Format

If someone made fabbed PCB's of this VCO (with Andys permission ofc) i wouldnt mind buying a bunch. :DMy 2 etched ones are working perfectly however!

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ARP Odyssey MKII/III VCO - Eurorack Format

Furio, I want 5 black acrylic panels.

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ARP Odyssey MKII/III VCO - Eurorack Format

:welcome: paulstone - could you please freeze your avatar? hi blue thx for the welcome , yep i will change :)ciao P.

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Simple 78xx (Positive)and 79xx (Negative) Power Supply

Ok, thanks!

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Seeking 1.2v/oct to 1v/oct AND 1v to 1.2v circuit

Forgot to update. Sorry!The conversion is working fine. The problem is based on the oscillators not really in tune, the lower it goes within octaves. Good to know!

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Help me troubleshoot my first stripboard layout

:welcome: :partyguy: And here's the reward: If I get it working I'll go record some interesting things and post the resulting audio. :smt041 ok,. I just started looking at it and the first thing I...

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Seeking 1.2v/oct to 1v/oct AND 1v to 1.2v circuit

In the context you've given I'm not entirely sure what you're looking for.What I mean by load is the equivalent resistance of the circuit. If the circuit (as seen by the 2M resistor) has equivalent...

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Seeking 1.2v/oct to 1v/oct AND 1v to 1.2v circuit

You're quite welcome :-)And thanks for that link Roger, that looks very useful.

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Help me troubleshoot my first stripboard layout

Thanks for the reply PHOBoS!It might be a few days before I get the chance to try it, but I really like the idea of attaching an audio source to the second half of the circuit! That would at least rule...

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ARP Odyssey MKII/III VCO - Eurorack Format

I am so sorry everyone for my delay in answering questions... I have been working for a whole week on testing and checking my PCB... discovering that the CD4011 by NXP did not function with this PCB....

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4015 sequencer stripboard?

I did all the optional bits listed on that stripboard layout, and I have extended the circuit in several ways beyond those.1) I inverted the 555 clock so that I got a positive going pulse (simple...

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ARP Odyssey MKII/III VCO - Eurorack Format

Thanks for the info about the CD4011 issue. I am testing a separate board for waveshaper, ringmod and subosc.I will share the layout when the testing will be finished.I have built only one VCO and the...

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ARP Odyssey MKII/III VCO - Eurorack Format

yeah, check the GNDs in that points (i think you are using a switch for on/off sync as in the dual version but using separate boards for each vco, correct?)

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ARP Odyssey MKII/III VCO - Eurorack Format

waiting for success ....A picture of my boards.I want to use some of them as LFVCO changing the cv1 input jumper for a toggle switch to 270K resistor. I see Furio's panels don“t include this socket but...

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ARP Odyssey MKII/III VCO - Eurorack Format

Had a minute free, so i detached the sync-switch and tried. Same issue happens. However, as i dont have the real Odyssey here, i compared my results to the Oddity VSTi, and its behaving pretty similar....

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ARP Odyssey MKII/III VCO - Eurorack Format

Hi everyone,I have just finished to scketch the PCB of the Ring Modulator (version for 'Erthenvar' jacks).If someone would like to help me check it, here is the preview ... The 150K Input2 is to be...

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Wonderful_yusynth/steiner vcf on stripboard!!!

Still no luck? I can't see anything obviously wrong with the layout, taking into account the errors already mentioned. Matching the transistors might be worth doing. There's a method of doing this...

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Discrete stripboard VCAs or VCO designs?

Excellent, I will check that out, have to teach myself how to transfer to stripboard though.. Would love to find a simple VCA for stripboard too, something that is known for nice tone. Thanks for your...

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Wonderful_yusynth/steiner vcf on stripboard!!!

i have a lot of spares LM394N and LM394H...will they work??

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