:::At 13:54 09.09.99 +0200, you wrote: :::>Maybe it is not such a bad idea to review my quiet, but drifting :::>multiplier, the use of such dual transistors should give lower drift :::>for at least one input (two inputs would mean quadruple npn, which we :::>have not). ::: :::MAT04 ;-$ There is a quad MOSFET in the Farnel catalogue.... m.c.