AW: MK-50 filter / CA3019

[Haible Juergen]

	> Yes, but do they all really need to be matched, or only the 4 ones
in ring?

I'd say they have to be matched in pairs: The two left ones of the ring, the
two
right ones of the ring, and the two that connect the ring to the opamps.
So you are right, it would probably work with two arrays, one for the ring
and one
for the remaining two diodes. 

JH.