20 Apr
1999
20 Apr
'99
3:46 p.m.
I wager teh wire used in the core is finer than #30, my bet is #40.
I do not believe my engineering and math skills are
adequate to design it,
but given the specs, I sure could _build_ it. If anyone is considering
this, please bore out the threads of the nut (if you use nuts) before
determining the saturation current. It will minimize mechanical wear on
the insulation. I may just go to the local fastener house and buy a box
of #2 nuts and build a mat of this just to hang on the wall. ;-)
Skip all the fancy sillyness. All I need is s pulse generator that can
generate fast bidirectional pulses with currents to 1-2A and a scope.
from that I can tell what current saturates the core
and what it's switch
thresholds are. actually a power supply abnd resistor and
a switch will
do for the pulse generator, though it's more manual. the rest is easy.
The array will have to be tuned once built anyway but knowing what the X
and Y currents have to add to +/- 10% is enough to get it going. The
inhibit current will be the mirror of the half select current.
Oh, the same rig will be a good apprasial of the figure of merit for the
core.
Allison