On May 2, 2005 04:35 pm, Jinx wrote:
> > At micoamps worth of current, why not use a 16f5x or 12f5x running
> > in RC mode, then use a varactor as your C
>
> Or even use the A2D

a varactor is an upside down diode with a large capacitance and the 
capacitance varies with applied voltage.

> This two-gate CMOS VCO works OK. I've used it in the past but
> have no notes about power consumption. Didn't know there'd be a
> test. Values are from the original circuit in ETI 7/82. You may find
> that linear characteristics vary between manufacturers

Hi jinx, I don't think the circuit in the picture applies here.
A VCO is a Voltage Controlled Oscillator in which a voltage will modify 
the frequency of operation.
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