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2001-02-09 by mate_stubb@yahoo.com
Has anyone ever played with either a Serge or Modcan Peak and Trough module? What kinds of cool stuff can you do with it? I've been thinking I might build one up. Seems to me all you need are some analog gates and comparators to control them. Moe
2001-02-09 by Brousseau, Paul E (Paul)
What is it supposed to do on a basic level, exactly? --PBr
-----Original Message----- From: mate_stubb@... [mailto:mate_stubb@...] Sent: Friday, February 09, 2001 1:33 PM To: motm@yahoogroups.com Subject: [motm] peak and trough - is it cool? Has anyone ever played with either a Serge or Modcan Peak and Trough module? What kinds of cool stuff can you do with it? I've been thinking I might build one up. Seems to me all you need are some analog gates and comparators to control them.
2001-02-10 by mate_stubb@yahoo.com
--- In motm@y..., "Brousseau, Paul E (Paul)" <noise@A...> wrote: > What is it supposed to do on a basic level, exactly? You have multiple inputs, say 4. You have a PEAK output and a TROUGH output. The PEAK output always has the instantaneous highest voltage from any input, and the TROUGH output always has the instantaneous lowest voltage from any input. You are supposed to be able to generate weird control voltages with it, I'm just wondering if it's a valuable thing to do. Moe
2001-02-10 by davevosh@aol.com
In a message dated 01-02-09 16:35:20 EST, you write: << I've been thinking I might build one up. Seems to me all you need are some analog gates and comparators to control them. >> send me your address and i can send you a schematic. it is quite a simple module to build and would be worth checking out. serge sent me a copy years ago after he stopped making them. best, dave
2001-02-10 by davevosh@aol.com
In a message dated 01-02-09 21:20:04 EST, you write: << You are supposed to be able to generate weird control voltages with it, I'm just wondering if it's a valuable thing to do. >> i found it to be useful back when i had a serge. its easy diy level makes it a good add-on for those who like to build. best, dave v.
2001-02-10 by Tentochi
Dave-- Would you mind sending it to the whole list? I am sure it would be greatly appreciated by many of us. --Shemp
> I've been thinking I might build one up. Seems to me all you need are > some analog gates and comparators to control them. > > send me your address and i can send you a schematic. it is quite a simple > module to build and would be worth checking out. serge sent me a > copy years > ago after he stopped making them. > best, > dave
2001-02-10 by norman fay
In message <961nmu+ndve@...>, mate_stubb@... writes >Has anyone ever played with either a Serge or Modcan Peak and Trough >module? What kinds of cool stuff can you do with it? > >I've been thinking I might build one up. Seems to me all you need are >some analog gates and comparators to control them. > >Moe > > I have the modcan morph wave/peak&trough module (morph wave is like 2/3 of the serge triple waveshaper module, 'though modcan adds an invertable CV pot to each waveshaper, which is very useful.) You can plug any amount of inputs from 1 to four into it, and the two outputs give you the highest voltage and the lowest at any point in time. I must confess that my explorations with this function have been a bit limited, and the effect is quite hard to describe as well. Feeding it with just two VCOs, the effect is similar to a ring modulator in that it accentuates the beating effect when they are close-tuned, and becomes quite dissonant when they are tuned to inharmonic intervals. Using more than two VCOs - well, you'd better then run it through a low pass filter, is all I'll say...! I think I'd describe it as a "lets try it and see what happens" type of module - not one of the essentials, but kind of unpredictable, fun & interesting. So it *is* cool...looking at the PCB of the modcan module, the circuit looks REALLY simple as well. Hey! As I write, I've just finished cutting a flat-pack pine bookshelf to size on the work sawbench, thus turning it into a 3-row x 7-column motm rack (gulp - I've got a *lot* of spaces to fill now!) I got my 4 modcan modules last week, BTW - ladder filter, phaser/waveshaper, dual LFO and wavetable. I'll report on MOTM compatibility after this weekend best etc. -- norman fay
2001-02-11 by davevosh@aol.com
In a message dated 01-02-10 08:01:54 EST, you write: << Would you mind sending it to the whole list? I am sure it would be greatly appreciated by many of us. >> sadly, i have no way to scan it or get it on line. the offer is open to anyone, though..... send me your snail mail address and i`ll send one off to you. best, dave v.
2001-02-11 by J. Larry Hendry
Send it to me. I'll scan it and put it on line if you like. Larry H
----- Original Message ----- From: <davevosh@...> To: <motm@yahoogroups.com> Sent: Saturday, February 10, 2001 7:10 PM Subject: Re: [motm] peak and trough - is it cool? In a message dated 01-02-10 08:01:54 EST, you write: << Would you mind sending it to the whole list? I am sure it would be greatly appreciated by many of us. >> sadly, i have no way to scan it or get it on line. the offer is open to anyone, though..... send me your snail mail address and i`ll send one off to you. best, dave v.
2001-02-11 by jhaible@t-online.de
> sadly, i have no way to scan it or get it on line. > the offer is open to anyone, though..... send me your snail mail address and > i`ll send one off to you. If the goal is to get a precise minimum and maximun of several input CVs, I have something like than in my polymodular interface to derive the highest and lowest note from a number of polyphonic keyboard CVs. (see my homepage -> Schematics -> Polymodular for details) If precision is not needed, just build an "OR" and and "AND" function from N diodes and one resistor, buffer it with an opamp, and includ another diode in the feedback of the opamp to get a crude compensation for the diode drop of the input network. JH.
2001-02-11 by davevosh@aol.com
In a message dated 01-02-10 20:16:59 EST, you write: << Send it to me. I'll scan it and put it on line if you like. >> larry, one will go out to you monday. feel free to scan and put in the motm files / archive section. best, dave v.
2001-02-11 by davevosh@aol.com
In a message dated 01-02-11 04:11:09 EST, you write: << If precision is not needed, just build an "OR" and and "AND" function from N diodes and one resistor, buffer it with an opamp, and includ another diode in the feedback of the opamp to get a crude compensation for the diode drop of the input network. J >> jurgen, and this is the approach used here...... best, dave v.
2001-02-11 by jhaible@t-online.de
> jurgen, > and this is the approach used here...... > best, > dave v. Ahh, I see. Beauty lies in the simple things. The "crude" diode approach has the advantage of being faster, of course. (My opamp circuit is precise, but not intended for processing highest audio frequencies.) JH.
2001-02-11 by sikorsky
From: <davevosh@...> > sadly, i have no way to scan it or get it on line. > the offer is open to anyone, though..... send me your snail mail address and > i`ll send one off to you. i'd love to see a copy - and i hereby offer to forward it to any of the UK chaps on the list cheers Paul R Bower Axis Studios 3 Brown Street Sheffield S1 2BS United Kingdom
2001-02-11 by davevosh@aol.com
In a message dated 01-02-11 09:59:12 EST, you write: << Ahh, I see. Beauty lies in the simple things. The "crude" diode approach has the advantage of being faster, of course. (My opamp circuit is precise, but not intended for processing highest audio frequencies.) >> jurgen, it is an extremely simple design ! it trades off precision for basic functionality and uniqueness. it is worth adding to a modular on this basis alone plus, for me, being interested in algorithmic type sound structures, it helps create the ability to do logic desicions in conjunction with electronic switches and assorted sources of c.v. or gate/trigger/timing functions. best, dave v.
2001-02-11 by davevosh@aol.com
In a message dated 01-02-11 11:29:23 EST, you write: << i'd love to see a copy - and i hereby offer to forward it to any of the UK chaps on the list cheers Paul R Bower Axis Studios 3 Brown Street Sheffield S1 2BS United Kingdom >> paul, i`ll send you a copy monday. feel free to do whatever. best, dave v.