[sdiy] novice VCO with v/oct tracking

[Scott Gravenhorst]

Look here:

http://www.uni-bonn.de/~uzs159/vco4069.html

Super simple sawtooth VCO by René Schmitz, 1 cheap IC, 3 transistors, 2
diodes.  It also has PWM.

Anthony Davis <swangthosehips at yahoo.com> wrote:
>hey im a poor high school student in texas
>i've been trying to study VCO designs so i can build a
>modular someday... i'm stuck at how to make it
>calibrated to a 1 V per octave response... i'm looking
>for a mostly analog VCO. waveform purity isn't a major
>concern. (i'd gladly take a distorted pseudo-square
>wave coming out of my sine output) anyway, the
>question is, does anybody have a simple and
>easy-for-a-novice-to-build v/oct VCO design that they
>can point me to?
>
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-- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
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