New tri-VCO design

[Ian Fritz]

Juergen et al. --

Yes it looks like that is right, provided the mismatch is due solely to the
exponential prefactor.  So a 1 mV Vbe mismatch would give a 4% asymmetry in
the upramp vs the down ramp.

I'll have to think more about the emitter resistor idea.

  Ian



----- Original Message -----
From: "jhaible" <jhaible at debitel.net>
>
> And Vbe - I guess the approx. 20mV/Oct equation would be valid here
> as well, i.e 20mV difference = 1:2 current ratio, +100% or -50% error.
>