Niklas is correct! What I meant to say is "2 octaves/volt" so a 5V input gives a 10 octave sweep. All you do is use a 51K resistor in the input summer instead of 100K. Paul S. -----Original Message----- From: Lindberg, Niklas <niklas.lindberg@...> To: 'motm@onelist.com' <motm@onelist.com> Date: Tuesday, March 09, 1999 2:54 AM Subject: [motm] Re: VCO CV mixer >From: "Lindberg, Niklas" <niklas.lindberg@...> > >Hi! > >While reading this once again with a little more thought, >I got a little puzzled by these 1.5V/oct... >Sure you didn't mean 1.5oct/V? :) > >I mean normally you can attenuate a CV input down (CCW) to almost >infinity V/oct and on the other end (CW) up to a 1:1 relation with the >input CV... > >This also leads me to a question... what figure (V/oct) do you get when >turning the FM attenuators max CW? > >The reason I ask is if you want to create a real fast, snappy frequency >sweep >using an EG (a' la Kraftwerk percussion) you only have 0-5V CV span from >the EG, and that would give you 5 octaves sweep using a 1V/oct input...a >little to little IMO. > >I know this isn't really a problem as you can rescale the inputs to your own >taste by choosing a different summing resistor value, but I'm still >curious... > >/Niklas > ><~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~< > > Niklas Lindberg > >< Analogue Synths & Electronics Freak < > > > >< "The availability of a certain patchcord < > > is inversely proportional to its need" > >< < > > _ Anonymus > ><_______/ \ _______________________________________< > \_/ > > > > >> -----Original Message----- >> From: Paul Schreiber [SMTP:synth1@...] >> Sent: Friday, March 05, 1999 4:21 AM >> To: motm >> Subject: [motm] VCO CV mixer >> >> From: "Paul Schreiber" <synth1@...> >> >> Err.....Chris is wrong on this one. >> The MOTM-300 has 3 CV inputs: 1 unscaled 1v/oct, 1 [FM1] that if set to >> EXP >> can be scaled up to 1.5V/oct (for that irratating EML crap) and FM2 that >> can >> be >> also scaled up to 1.5V/oct. >> >> So, you plug your trusty Pro2000 into the 1V/oct input, and the other 2 >> are >> for LFOs, S&H, etc. >> >> Paul S. >> >> >> >> ------------------------------------------------------------------------ >> Ta Da! Come see our new web site! >> http://www.onelist.com >> Onelist: A free email community service > >------------------------------------------------------------------------ >New hobbies? New curiosities? New enthusiasms? >http://www.onelist.com >Sign up for a new email list today >
Message
FM sweep range
1999-03-09 by Paul Schreiber
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