> Sorry to thread jack, is there any news regarding the A110-5 Mr Tillman's Trapezoid oscillator I'm very excited about that one!
>
> All the Best,
>
> Alex

The A-110-5 is planned after the A-110-4 (quadrature thru-zero VCO) and the A-110-3 (triangle based thru-zero VCO). But we still
have some problems with both the A-110-3 and A-110-5 prototypes as they are not stable under all conditions. Seems that we still
have to do some investigations ...

Best wishes
Dieter Doepfer