thru zero VCO questions

[Haible Juergen]

	>I think it'll work.

I think it does. Waveforms look nice, at least.

	>>I wonder if you really need a flipflop and the pulse / toggle
stuff. The
	>>input
	>>of the OTA already carries your up/down information. 
	>
	>Yes but only because it is switched from the output of the FF!

Forget about my schmitt trigger idea - it's rubbish.
But your idea is truely brilliant !

JH.