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Schematics Vault
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vladosh



Joined: Aug 02, 2010
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PostPosted: Sun May 19, 2013 11:41 pm    Post subject: Reply with quote  Mark this post and the followings unread

Studio Monitor filter design by A. Grigorova [ Радио, телевизия, електроника - 10 . 1974 ]


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PHOBoS



Joined: Jan 14, 2010
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PostPosted: Mon May 20, 2013 5:03 am    Post subject: Reply with quote  Mark this post and the followings unread

ah, you made it to page 10, congratz! party!
and thanks!, this vault has come in handy a couple of times.

_________________
"My perf, it's full of holes!"
http://phobos.000space.com/ http://www.acidtrash.com/ Stickney Synthyards

Last edited by PHOBoS on Mon May 20, 2013 5:50 am; edited 1 time in total
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vladosh



Joined: Aug 02, 2010
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PostPosted: Mon May 20, 2013 5:41 am    Post subject: Reply with quote  Mark this post and the followings unread

Generator za pravoagolno i impulsno naprazhnenie ,Square wave Tube based Generator design by M.Nikolov [Радио, телевизия, електроника 03 - 1968 ]


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vladosh



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PostPosted: Tue May 21, 2013 12:02 am    Post subject: Reply with quote  Mark this post and the followings unread

Лесли Симулатор featured in March 1978 edition of Радио ,Телевизија ,Електроника design by D.Avramov


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vladosh



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PostPosted: Wed May 22, 2013 6:58 am    Post subject: Reply with quote  Mark this post and the followings unread

LFO with variable phase by H. Kribel


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elmegil



Joined: Mar 20, 2012
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PostPosted: Wed May 22, 2013 8:14 am    Post subject: Reply with quote  Mark this post and the followings unread

vladosh wrote:
Лесли Симулатор featured in March 1978 edition of Радио ,Телевизија ,Електроника design by D.Avramov


What is "Лесли Симулатор" ?
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-minus-



Joined: Oct 26, 2008
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PostPosted: Wed May 22, 2013 8:59 am    Post subject: Reply with quote  Mark this post and the followings unread

Transmitter from Sputnik 1 Cool


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vladosh



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PostPosted: Wed May 22, 2013 9:29 am    Post subject: Reply with quote  Mark this post and the followings unread

elmegil wrote:
vladosh wrote:
Лесли Симулатор featured in March 1978 edition of Радио ,Телевизија ,Електроника design by D.Avramov


What is "Лесли Симулатор" ?


it's my fault in making post in hurry ,it's a phaser ,the exact effect and what it does i have not tried it to share experience
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pq



Joined: Feb 15, 2013
Posts: 9
Location: Brazil

PostPosted: Thu Aug 22, 2013 6:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

elmegil wrote:
vladosh wrote:
Лесли Симулатор featured in March 1978 edition of Радио ,Телевизија ,Електроника design by D.Avramov


What is "Лесли Симулатор" ?

"Leslie simulator", written in Cyrillic. Might try that, seems interesting.
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vladosh



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PostPosted: Sun Sep 01, 2013 11:12 am    Post subject: Reply with quote  Mark this post and the followings unread

ETI VCF design by Trevor Marshall ,more info on the ETI Synthesizer on the link :[url] http://www.trevormarshall.com/eti.htm [/url] the whole documentation on the ETI International Synthesizers you can download here : http://www.eti4600synthesiser.org.uk


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vladosh



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PostPosted: Sun Sep 01, 2013 11:27 am    Post subject: Reply with quote  Mark this post and the followings unread

VC Pan from Ogee Synthesizer by Scott Bernardi , more desings from this synthesizer on the following link :
http://www.bernacomp.com/elec/ogee_specs.html


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vladosh



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PostPosted: Sun Sep 01, 2013 11:31 am    Post subject: Reply with quote  Mark this post and the followings unread

Low Frequency Oscillator by Scott Bernardi from the OGEE Synthesizer ,more on the following link : http://www.bernacomp.com/elec/ogee_specs.html


Features

Selectable Triangle or Sine outputs (+/- 5v with Level control)
Pulse output (0-5v) with PWM control and LED's indicating duty cycle
Frequency control adjusts frequency exponentially from about 0.1hz to 100 hz


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vladosh



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PostPosted: Sun Sep 01, 2013 11:34 am    Post subject: Reply with quote  Mark this post and the followings unread

Multiplexor by Scott Bernardi more on his OGEE Synthesizer on the link : http://www.bernacomp.com/elec/ogee_specs.html

Features

Switches output between four different inputs
Built in clock, or manual step or external trigger


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vladosh



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PostPosted: Thu Sep 05, 2013 9:31 am    Post subject: Reply with quote  Mark this post and the followings unread

Voltage Controlled Electro-Optical Mixer design by Grant Richter ,from the description on his site :
A simple and inexpensive device is described which allows selecting and mixing audio channels by control voltage. The circuit takes advantage of the low self-noise of analog photocouplers. The slow response time of the phosphour is used to integrate the pulse width modulated LED drive. Channel crossfading is accomplished by adding a "dither" signal to the comparator string, producing apparent linear crossfades between audio channels.


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vladosh



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PostPosted: Mon Sep 09, 2013 7:10 am    Post subject: Reply with quote  Mark this post and the followings unread

Simmons SDS - 3 ,schematic redrawn by xpmtl as posted in the following thread : http://electro-music.com/forum/topic-16985-250.html visit xpmtl's page for a SMT pcb layout http://xpmtl.net/sdiy/projects/simmons-sds-3-voice/


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vladosh



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PostPosted: Mon Sep 09, 2013 7:15 am    Post subject: Reply with quote  Mark this post and the followings unread

Pollard Syndrum by Joe Pollard and Mark Barton ,schematic and short description provided on http://clacktronics.co.uk/drumlab/pollard-syndrum


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vladosh



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PostPosted: Wed Sep 11, 2013 12:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

Drum Tone Oscillators by PAiA as presented in an article in the June 1993 issue of Electronics Now , full description at PAiA website : http://www.paia.com/ProdArticles/syndrum.htm


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vladosh



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PostPosted: Mon Sep 23, 2013 11:13 am    Post subject: Reply with quote  Mark this post and the followings unread

Fleuril - VCF as part of the White Rose modular synth , schematic shared on the following blog http://thermidor.altervista.org/fleuril-vcf/ , from the description there :
The filter developed for this synthesizer is a Sallen-Key, whose control voltage is achieved with diode-ladder.

The idea of how to develop this type of circuit l' I got it from a project by Osamu Hoshuyama, which is available here : http://www5b.biglobe.ne.jp/~houshu/synth/Vcf0111.gif


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vladosh



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PostPosted: Mon Sep 23, 2013 11:25 am    Post subject: Reply with quote  Mark this post and the followings unread

External input and VC Clipping Limiter by Stefano Maurri : http://mwpc1.det.unifi.it/~maurri/synth.html


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vladosh



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PostPosted: Wed Feb 05, 2014 10:33 am    Post subject: Reply with quote  Mark this post and the followings unread

Dual ADSR ,by Adriano Lazzari & Riccardo Monti ,from September 1978 issue of Italian magazine - Onda Quadra ,full article contains pcb layout and BOM


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vladosh



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PostPosted: Wed Feb 05, 2014 10:42 am    Post subject: Reply with quote  Mark this post and the followings unread

VCF by A.Lazzari and Riccardo Monti featured October 1978 issue of Onda Quadra ,more details on the construction in the full article


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vladosh



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PostPosted: Fri Feb 07, 2014 12:39 pm    Post subject: Reply with quote  Mark this post and the followings unread

VCO by Stephen Winter ,the whole pdf document in German containing double sided PCB layouts can be found here : http://www.uni-muenster.de/imperia/md/content/fachbereich_physik/technik_didaktik/entwicklung_bau_synthesizer.pdf


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vladosh



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PostPosted: Sat Feb 08, 2014 6:29 am    Post subject: Reply with quote  Mark this post and the followings unread

The E&MM Spectrum Synthesizer design by Chris Jordan of E&MM ,from the description :

- The Spectrum is a monophonic two oscillator switch-linked synthesiser featuring advanced specification, constructional simplicity and low cost. Modulation, timbre control, and interface facilities not found on any
comparable synthesiser make it extremely powerful and versatile for keyboard playing, sound effects and
many other home, stage, or studio applications. , the Special Edition issue with pcb layouts and tips on building the Spectrum http://www.bigbluewave.co.uk/images/spectrum-notes-04.pdf


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vladosh



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PostPosted: Fri Feb 14, 2014 4:46 am    Post subject: Reply with quote  Mark this post and the followings unread

FET VCA by Mike Irwin ,published in EDN - September 05, 2002 ,details on this circuit here : http://www.edn.com/design/analog/4339537/Op-amp-linearizes-response-of-FET-VCA


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Nardu



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PostPosted: Fri Feb 14, 2014 6:12 am    Post subject: Phase modulator for "Leslie" effect Reply with quote  Mark this post and the followings unread

vladosh wrote:
Лесли Симулатор featured in March 1978 edition of Радио ,Телевизија ,Електроника design by D.Avramov

Here, the OCR scanned document for Phase modulator for "Leslie" effect :
- http://www.scribd.com/doc/207120047/Leslie-effect

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