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| Page 1 of 48 [1176 Posts] | Goto page: 1, 2, 3, ..., 46, 47, 48 Next |
| Author | Message |
|---|---|
 Topic: discrete copy of SSM2030 VCO IC? |
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| andrewF Replies: 5 Views: 5109 |
Posted: Tue Apr 26, 2016 4:37 am Subject:
discrete copy of SSM2030 VCO IC?
Forum: DIY Hardware and Software |
| A lot of my stuff is [url=http://nonlinearcircuits.blogspot.com.au/]HERE.
Regarding the 2030, I was interested in building a VCO based on the Aries 338 PMS VCO, so mainly wanted to figure out how t ... |
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| Topic: discrete copy of SSM2030 VCO IC? |
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| andrewF Replies: 5 Views: 5109 |
Posted: Sun Apr 17, 2016 7:49 pm Subject:
discrete copy of SSM2030 VCO IC?
Forum: DIY Hardware and Software |
| Thanks
that post was 7 years ago........a lot has happened in the meantime  |
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| Topic: Where can I find info on speech synthesizers? |
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| andrewF Replies: 11 Views: 6552 |
Posted: Wed Aug 20, 2014 3:44 am Subject:
Where can I find info on speech synthesizers?
Forum: DIY Hardware and Software |
| Has anyone ever built the chatterbox? That article has been around for years but I have never heard of anybody actually building one.
At one stage Randaleem contacted the designers who gave him pe ... |
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| Topic: Where can I find info on speech synthesizers? |
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| andrewF Replies: 11 Views: 6552 |
Posted: Fri Aug 15, 2014 5:32 pm Subject:
Where can I find info on speech synthesizers?
Forum: DIY Hardware and Software |
| Jim Patchell designed a vocal formant filter PCB, and Fonik built one from Jim's posted files. I believe it's voltage controllable, which gets you a little further along the way towards good control, ... | |
| Topic: Where can I find info on speech synthesizers? |
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| andrewF Replies: 11 Views: 6552 |
Posted: Tue Aug 12, 2014 5:26 pm Subject:
Where can I find info on speech synthesizers?
Forum: DIY Hardware and Software |
| here's one from Jaski 1963
tube based voice synth with relays and inductors....just FYI |
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| Topic: Dual-VCOs and Dual-OTAs |
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| andrewF Replies: 5 Views: 3925 |
Posted: Sat Jan 18, 2014 6:18 pm Subject:
Dual-VCOs and Dual-OTAs
Forum: DIY Hardware and Software |
| I have built several modules where the 13700s are shared by different circuits and have never noticed any bleed or other interaction between the two sections. None of these were VCOs tho, but VCFs, VC ... | |
| Topic: CGS/Serge modular... lazertran templates for mods..? |
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| andrewF Replies: 4 Views: 8113 |
Posted: Thu Oct 24, 2013 4:11 pm Subject:
CGS/Serge modular... lazertran templates for mods..?
Forum: DIY Hardware and Software » Ken Stone designs - CGS |
| lots of Serge panel art here -
http://www.serge.synth.net/modules/index.html |
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| Topic: Troubleshooting OTA based circuits |
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| andrewF Replies: 8 Views: 4183 |
Posted: Mon Oct 14, 2013 11:35 pm Subject:
Troubleshooting OTA based circuits
Forum: DIY Hardware and Software |
| EN#71
VCF2 |
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| Topic: Troubleshooting OTA based circuits |
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| andrewF Replies: 8 Views: 4183 |
Posted: Mon Oct 14, 2013 8:46 pm Subject:
Troubleshooting OTA based circuits
Forum: DIY Hardware and Software |
| just use TL074, they will be fine
Thats what my Electronotes/Arp4023 boards use. The jfet input just means they have a high input impedance (about a billion ohm) whereas the 741 is quite low at ab ... |
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| Topic: Troubleshooting OTA based circuits |
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| andrewF Replies: 8 Views: 4183 |
Posted: Mon Oct 14, 2013 3:50 pm Subject:
Troubleshooting OTA based circuits
Forum: DIY Hardware and Software |
| I think TLC274 are designed to run on a single sided supply, maximum 18V.
So if you are using +/-12V or +/-15V, these are probably getting fried, as they are getting a total of 24V or 30V across the ... |
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| Topic: CGS116 problem, sustain portion is producing low voltage |
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| andrewF Replies: 6 Views: 10595 |
Posted: Mon Jul 08, 2013 7:07 am Subject:
CGS116 problem, sustain portion is producing low voltage
Forum: DIY Hardware and Software » Ken Stone designs - CGS |
| Argitoth! its been so long!
Do you have a scope to look out the output, its the best way to know what is happening. |
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| Topic: 3.5 Jack Plug/Socket woes |
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| andrewF Replies: 5 Views: 3995 |
Posted: Sat May 18, 2013 5:57 am Subject:
3.5 Jack Plug/Socket woes
Forum: DIY Hardware and Software |
| I can confirm it happens. I once bought a big pack of jacks which were too big for my 3.5mm sockets. You could get them in but it was not easy. Strangely they are perfect for a friends's ARP2500, wher ... | |
| Topic: Correction: I'm *not* making TR-808 Voice Boards... |
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| andrewF Replies: 246 Views: 272802 |
Posted: Mon Mar 18, 2013 11:14 pm Subject:
Correction: I'm *not* making TR-808 Voice Boards...
Forum: DIY Hardware and Software |
Another week has gone by and still no Doug...surreal
 feel for you pix, hopefully there will be a good result eventually |
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| Topic: Max Voltages and the 259 Clone... |
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| andrewF Replies: 1 Views: 2225 |
Posted: Wed Mar 13, 2013 2:01 am Subject:
Max Voltages and the 259 Clone...
Forum: DIY Hardware and Software |
this doesn't help, but i keep thinking the title of this thread would be a great name for a band
 |
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| Topic: Square-wave synth |
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| andrewF Replies: 20 Views: 20933 |
Posted: Fri Feb 15, 2013 5:42 pm Subject:
Square-wave synth
Forum: DIY Hardware and Software |
Hi
 to e-m
Probably best to try troubleshooting your circuit rather than jumping to a new one. It is pretty normal to find circuits do not work straight away, one tiny mistake can stop ... |
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| Topic: Correction: I'm *not* making TR-808 Voice Boards... |
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| andrewF Replies: 246 Views: 272802 |
Posted: Sat Dec 29, 2012 1:49 am Subject:
Correction: I'm *not* making TR-808 Voice Boards...
Forum: DIY Hardware and Software |
| no point in asking for updates anymore
from 808.org As of December 28, 2012, I am now ceasing all involvement with any and all forums, mailing lists and newsgroups. Specifically, I will no longe ... |
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| Topic: 2012 Build Pictures |
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| andrewF Replies: 383 Views: 490716 |
Posted: Sun Dec 23, 2012 4:07 pm Subject:
2012 Build Pictures
Forum: DIY Hardware and Software |
| The Sweet32 Speaker Interrupter-Switcher Installation Thing
It looks great and I would love to hear it. Does it switch silently, or some popping? |
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| Topic: My DIY Yamaha RX5 programmable waveform cartridge: RX5USB |
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| andrewF Replies: 20 Views: 55612 |
Posted: Sun Dec 16, 2012 9:06 pm Subject:
My DIY Yamaha RX5 programmable waveform cartridge: RX5USB
Forum: DIY Hardware and Software |
Great job -  |
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| Topic: Is it still possible to get a Blippoo Box? |
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| andrewF Replies: 3 Views: 13932 |
Posted: Sun Dec 09, 2012 5:52 am Subject:
Is it still possible to get a Blippoo Box?
Forum: DIY Hardware and Software » Rob Hordijk DIY Designs |
| this guy just got one from Rob this week. but I have no idea as to the mechanics of the deal or how long.
http://www.youtube.com/watch?feature=player_embedded&v=OSx7n-KW7vU |
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| Topic: replacing AD821 transistor pair (electronotes VCO) |
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| andrewF Replies: 2 Views: 5417 |
Posted: Sat Dec 08, 2012 12:09 am Subject:
replacing AD821 transistor pair (electronotes VCO)
Forum: DIY Hardware and Software |
| There is the ssm2220, a lot cheaper -
http://uk.rs-online.com/web/p/bipolar-transistors/5228809/ or look for 2SA798 or A798, plenty on ebay for approx $4 (ssm2220 would be better) You can also ... |
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| Topic: Boss DR-55 Mods |
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| andrewF Replies: 6 Views: 8488 |
Posted: Mon Nov 26, 2012 10:55 pm Subject:
Boss DR-55 Mods
Forum: DIY Hardware and Software |
| Found an interesting error or mod with the BD
The input resistor, R11, goes to a different node on the PCB than it does on the schematic. When compared to the BD on the DR110, the DR-55 schematic ... |
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| Topic: vcs sustain doesnt work |
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| andrewF Replies: 1 Views: 4096 |
Posted: Mon Nov 19, 2012 4:09 pm Subject:
vcs sustain doesnt work
Forum: DIY Hardware and Software » Ken Stone designs - CGS |
| Not sure if you realised, but the gate signal should be connected to "in" rather than "trig in"
6V should be plenty. |
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| Topic: Correction: I'm *not* making TR-808 Voice Boards... |
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| andrewF Replies: 246 Views: 272802 |
Posted: Wed Nov 07, 2012 6:00 am Subject:
Correction: I'm *not* making TR-808 Voice Boards...
Forum: DIY Hardware and Software |
| I'm trying HARD not to be that guy who gets all angry ...
You have every right to be pissed off, over 2 years to get a PCB and some components!!! The lack of communication is simply wrong and, havin ... |
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| Topic: OneDog - Pocket synth with sequencer |
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| andrewF Replies: 6 Views: 6686 |
Posted: Tue Oct 30, 2012 3:36 pm Subject:
OneDog - Pocket synth with sequencer
Forum: DIY Hardware and Software |
| very impressive!
Are you planning to share/sell/manufacture these? |
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| Topic: female wire harness, pre-stripped? |
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| andrewF Replies: 5 Views: 2512 |
Posted: Mon Oct 29, 2012 3:37 pm Subject:
female wire harness, pre-stripped?
Forum: DIY Hardware and Software |
| just a tip
search on ebay for "dupont 24AWG" This will bring up bulk lots of 25 to 1000 pieces dupont is the type of connector used all over computers - 1pin, 2pin, 3pin etc 24AWG is a ... |
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| Page 1 of 48 [1176 Posts] | Goto page: 1, 2, 3, ..., 46, 47, 48 Next |
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