[sdiy] more on which VCO

[Fernando de Izuzquiza]

Hi Mark,

Take a look to Ken Stone's VCO at the CGS synth site. It's ASM1-based 
and has a sawtooth core. It's very complete and the PCB is good and at 
the right price as the rest of his projects.

Also check the Oakley VCO, it has also all the features you are looking 
for I think. Based on the miniMoog it seems. Not cheap but very good 
pcb quality.
-- 



f
*




 > De: Mark Romberg <mark-romberg at utulsa.edu>
 > Fecha: Sat, 12 Jun 2004 01:34:32 -0500
 > Para: synth-diy at dropmix.xs4all.nl
 > Asunto: [sdiy] more on which VCO
 >
 > ok...i have a set of specs that i want in a VCO, but i havent found a
 > design (or mulitple designs that look like they could be kludged into
 > what i want) online.  so i humbly put before you my specs, and seek a
 > VCO that can live up to the challenge:
 >
 > -square, sawtooth, sine, and triangle waves, preferably simultaneous
 > outputs (the tri wave is kind of an afterthought, i wont use it much 
so
 > if i cant have it, thats life in the big city. really its the saw 
thats
 > hard to find included, i've found several square/sine/tri VCOs
 > -oscillator sync
 > -frequency modulation
 > -pulse-width modulation
 >
 > the VCO at midwest analog looks promising, but it lacks oscillator 
sync
 > and a sawtooth waveshaper (the basic waveform is triangle)
 > suggestions, ready go.
 > also, if there's some basic facet of analog VCO design that im 
missing,
 > like that oscillator sync is the same thing as FM or is just one
 > oscillator's output used as CV for the second, feel free to berate me.
 > im new to analog synthesis and homebuilt electronics so i need to get
 > the stupid questions out of the way :P
 >
 > have nice days.
 >
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