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  Topic: VCA DIY projects, what are the options?
Terrafractyl

Replies: 16
Views: 15002

Post Posted: Thu Sep 22, 2011 5:47 pm    Subject: VCA DIY projects, what are the options?
Forum:  DIY Hardware and Software
I've built the CGS and the MFOS and recently the TH 21st century (but I haven't actually plugged this one in yet). I don't know if its either my imagination or incorrect trimming, but the 2 CGS VCA's ...
  Topic: 281 clone project- taking orders now for last run of these..
Terrafractyl

Replies: 925
Views: 626252

Post Posted: Thu Sep 22, 2011 5:01 pm    Subject: 281 clone project- taking orders now for last run of these..
Forum:  DIY Hardware and Software
Ok I am at the end of my nerve people, Its been an awful week of DIY and I just finished building my 2nd 281. Unfortunately it has exactly the same problem that my first one did (and still does) so n ...
  Topic: TZFM SAW VCO
Terrafractyl

Replies: 536
Views: 618936

Post Posted: Mon Jul 18, 2011 6:58 pm    Subject: TZFM SAW VCO
Forum:  DIY Hardware and Software
Ok so I've switched r133 and r132.

I double Checked D7, Its ok

A9-7 on the other hand seems a little odd. It is giving me -13.8V with nothing applied to the sync input. and -13.6V with a signa ...
  Topic: TZFM SAW VCO
Terrafractyl

Replies: 536
Views: 618936

Post Posted: Sat Jul 16, 2011 8:43 pm    Subject: TZFM SAW VCO
Forum:  DIY Hardware and Software
...So i've just finished putting together a Teezer, and on powering it up it works(all outputs), but only as long as I have the Initial Frequency pot above 12 o'clock.
As soon as it goes below, it k ...
  Topic: TZFM SAW VCO
Terrafractyl

Replies: 536
Views: 618936

Post Posted: Tue Jul 12, 2011 1:06 am    Subject: TZFM SAW VCO
Forum:  DIY Hardware and Software
Hm I thought I already posted something here and it dissapeared... strange, ah well I'll try again!

So i've just finished putting together a Teezer, and on powering it up it works(all outputs), but ...
  Topic: WTB : Thomas White 292 Clone PCB's
Terrafractyl

Replies: 0
Views: 1537

Post Posted: Wed Mar 09, 2011 8:06 pm    Subject: WTB : Thomas White 292 Clone PCB's
Forum:  Wanted, For Sale, Opportunities and Requests » Parts and Components
Yeah I know... I have a feeling I'm not the only one chasing these down at the moment, but It doesnt hurt to put it out there.

Anyone got a spare PCB or even 2 they feel like parting with? I will ...
  Topic: Very simple sawtooth VCO (V/Hz)
Terrafractyl

Replies: 92
Views: 186411

Post Posted: Tue Feb 08, 2011 1:16 am    Subject: Very simple sawtooth VCO (V/Hz)
Forum:  DIY Hardware and Software
wow, just put one of these together on a breadboard.... Love it! Very Happy
Mine is running on 15v with a TL082.... it doesnt track correctly though.
I used a 39k resistor instead of the 47k maybe this is ...
  Topic: Analog XOR
Terrafractyl

Replies: 74
Views: 132246

Post Posted: Sun Jan 09, 2011 2:51 pm    Subject: Analog XOR
Forum:  DIY Hardware and Software
Thanks for the help!!!
  Topic: Analog XOR
Terrafractyl

Replies: 74
Views: 132246

Post Posted: Sat Jan 08, 2011 8:24 pm    Subject: Analog XOR
Forum:  DIY Hardware and Software
Escuse my Noob schematic Question here but I stumbled across this circuit and really want to put one together.

My question is regarding the shape pot(?) in the top right of the schematic.

Does ...
  Topic: Simple Quantizer Boards + Chips rev4 avaialable now.
Terrafractyl

Replies: 178
Views: 270370

Post Posted: Wed Dec 08, 2010 5:12 pm    Subject: Simple Quantizer Boards + Chips rev4 avaialable now.
Forum:  DIY Hardware and Software
I'm wondering how accurate the 1V/octave scaling of this would be? It would be dependant upon the 5V supply.

Cheers,
Stew.


Hmmm maybe this is my problem.... I wired 2 of these up the other da ...
  Topic: new revision DUAL 281 PCB
Terrafractyl

Replies: 226
Views: 250611

Post Posted: Mon Nov 29, 2010 11:41 pm    Subject: new revision DUAL 281 PCB
Forum:  DIY Hardware and Software
just PM'd for 2 boards... I Hope I'm not too late!
  Topic: Simple Quantizer Boards + Chips rev4 avaialable now.
Terrafractyl

Replies: 178
Views: 270370

Post Posted: Mon Nov 29, 2010 3:17 pm    Subject: Simple Quantizer Boards + Chips rev4 avaialable now.
Forum:  DIY Hardware and Software
I got mine yesterday Thanks!
  Topic: Simple Quantizer Boards + Chips rev4 avaialable now.
Terrafractyl

Replies: 178
Views: 270370

Post Posted: Wed Oct 27, 2010 10:04 pm    Subject: Simple Quantizer Boards + Chips rev4 avaialable now.
Forum:  DIY Hardware and Software
I'd be keen for 2 of these Cool

awesome project, thanks a million
 
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