[sdiy] RE: Simple VCO saw & square

[Scott Gravenhorst]

I thought René Schmitz would post...

Expo (and original) version:
http://www.uni-bonn.de/~uzs159/vco4069.html

Linear version:
http://home1.gte.net/res0658s/fatman/VCO_pwm_tri_suboctave.html
Look at the parts that are not in pink or blue.


This VCO outputs saw and has PWM.  With the PWM adjustment,
you can make square.  This VCO is very simple, cheap and
common parts.  I got 9 octaves of linear operation from it.

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-- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
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