Or my favorite -- above all those mentioned -- the CA3083 array. At 01:02 PM 3/27/06, Harry Bissell Jr wrote: >Analog Devices MAT01 or MAT02 (dual) >or MAT04 (quad) > >National Semi LM394 > >CA3046 or CA3086 (five transistors) > >The 2SC1583 is not THAT hard to get, yet... > >H^) harry