AW: tri2saw (was:commercial synth circuits)

[Haible Juergen]

	>If one uses a design with ota as current polarity switch (ca3080
app.
	>note) it would be possible to use a dual type, there you are, this
	>should be an allmost perfect current mirror.  No need to touch the
expo
	>converter. 

Good idea ...
But you need a pnp-type expo converter, or a pnp current mirror,
in the first place, to drive this OTA ...

JH.