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| Search found 13 matches |
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| Page 1 of 1 [13 Posts] |
| Author | Message |
|---|---|
 Topic: Question about calibrating the vco |
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| stilz Replies: 5 Views: 6292 |
Posted: Wed Jul 07, 2010 5:25 am Subject:
UPGRADE: Fully transistor based scope from the DDR
Subject description: and a new multimeter Forum: DIY Hardware and Software » YuSynth |
| Hello,
I upgraded my test environment. I buy this old scope from the ddr for almost 30 bucks 
And a new dc-meter with auto range and with 0.6% error tolerance. I order a new probe, when the pr ... |
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| Topic: Question about calibrating the vco |
|
| stilz Replies: 5 Views: 6292 |
Posted: Fri Jul 02, 2010 7:53 am Subject:
Question about calibrating the vco
Forum: DIY Hardware and Software » YuSynth |
| You are right I use my soundcard to adjust the wave shapes. I use a multimeter do measure the voltages (-5V, +5V). I think I need to get a better multimeter or better a oscilloskope. mh... | |
| Topic: Question about calibrating the vco |
|
| stilz Replies: 5 Views: 6292 |
Posted: Fri Jul 02, 2010 4:59 am Subject:
Question about calibrating the vco
Forum: DIY Hardware and Software » YuSynth |
| Good Morning,
i use two regulated power supplies like in the image this to get the + / - 15 V. Voltages are -14.98 and + 14.98 I can't get a real "edge" with the triangle and saw wave i ... |
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| Topic: Allmost done: ADSR |
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| stilz Replies: 0 Views: 3318 |
Posted: Thu Jul 01, 2010 3:28 pm Subject:
Allmost done: ADSR
Subject description: ready to go: works fine ! Forum: DIY Hardware and Software » YuSynth |
| A few mistakes are included like the left upper corner http://www.world-of-smilies.com/wos_gewalt/d066.gif But not so bad...
The next one will look better The main sing it is a great Waveshap Genera ... |
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| Topic: Question about calibrating the vco |
|
| stilz Replies: 5 Views: 6292 |
Posted: Thu Jul 01, 2010 1:20 pm Subject:
Question about calibrating the vco
Forum: DIY Hardware and Software » YuSynth |
| Hi,
i have a question. When i build my vco from yusynth i didn't remember that there are more then one way (hfe, vbe, etc.) to match transistor. So I only match them with my integreted hfe dc-meter ... |
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| Topic: BC547 question ( applied to other ICs) |
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| stilz Replies: 15 Views: 21706 |
Posted: Tue Jun 29, 2010 3:05 am Subject:
BC547 question ( applied to other ICs)
Forum: DIY Hardware and Software » YuSynth |
| Nice to hear it works now. | |
| Topic: Forgotten Questions in last Thread |
|
| stilz Replies: 5 Views: 6563 |
Posted: Tue Jun 29, 2010 1:39 am Subject:
Forgotten Questions in last Thread
Forum: DIY Hardware and Software » YuSynth |
| Oh...I bought this one:
"RESISTOR, TEMP SENSING 1K Typ:LT73 3000 1K0J TG" with 3000 ppm as you mentioned in your description: "1K tempco resistor (PTC 3000ppm) TYCO ELEC. mode ... |
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| Topic: Stilz first Modular system: VCO, VCF, ADSR, VCA! Questions! |
|
| stilz Replies: 3 Views: 4968 |
Posted: Tue Jun 29, 2010 12:03 am Subject:
Stilz first Modular system: VCO, VCF, ADSR, VCA! Questions!
Forum: DIY Hardware and Software » YuSynth |
| Hi Dave. Yes I use 1.5 mm bright aluminium. How i label this stuff I am currently on the way to find out. I tried a few things, but it doesn't look good enough for me. I will have a look at the saw-an ... | |
| Topic: Forgotten Questions in last Thread |
|
| stilz Replies: 5 Views: 6563 |
Posted: Mon Jun 28, 2010 11:49 pm Subject:
Thank you Yves for your answer!
Forum: DIY Hardware and Software » YuSynth |
| Many thanks Yves! Now everything seems logical for me. I just build the transistor VCF with matched BC's. It sounds absolutely amazing. I etched the pcbs by myself to put the cost to the lowest level ... | |
| Topic: BC547 question ( applied to other ICs) |
|
| stilz Replies: 15 Views: 21706 |
Posted: Mon Jun 28, 2010 11:26 am Subject:
BC547 question ( applied to other ICs)
Forum: DIY Hardware and Software » YuSynth |
| The subfix letter matters! But Yves describes it very good. Use BC547C | |
| Topic: Forgotten Questions in last Thread |
|
| stilz Replies: 5 Views: 6563 |
Posted: Mon Jun 28, 2010 10:14 am Subject:
Forgotten Questions in last Thread
Forum: DIY Hardware and Software » YuSynth |
| Hi all, I just want to post the questions i have regarding the vca module from yusynth. As long as i would like to build up the ac version(for audio?!) here are some questions... If there are allready ... | |
| Topic: Stilz first Modular system: VCO, VCF, ADSR, VCA! Questions! |
|
| stilz Replies: 3 Views: 4968 |
Posted: Mon Jun 28, 2010 5:38 am Subject:
 Forgot the questions!
Forum: DIY Hardware and Software » YuSynth |
| Hi all, I just want to post the questions i have regarding the vca module from yusynth. As long as i would like to build up the ac version(for audio?!) here are some questions... If there are allready ... | |
| Topic: Stilz first Modular system: VCO, VCF, ADSR, VCA! Questions! |
|
| stilz Replies: 3 Views: 4968 |
Posted: Tue Jun 22, 2010 10:03 am Subject:
Stilz first Modular system: VCO, VCF, ADSR, VCA! Questions!
Subject description: I have some questions regarding the VCA DC and AC Version Forum: DIY Hardware and Software » YuSynth |
| A picture of the system:
Right now I am building the VCA. |
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| Page 1 of 1 [13 Posts] |
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