40k Ferrite Memory Core

[Pete Turnbull]

On 29/10/2008 05:23, jim s wrote:
> I counted 52 wires x 52 wires in the top plane
> I counted either 20 or 19 total planes

I count 50 x 40, and 20 planes.  I think you need glasses, Jim :-)

> In looking at the photo, it appears that there are 2 of those wires thru 
> each core, so this is 26*26*20 or 13520 bits total

I only see one X and one Y plus the sense wire through each core (and 
the cores are laid out like that), so I make it 2000 x 20 = 40000.

> The connector marked X has 40 conductors.  I would assume there is also 
> a Y connector, and maybe fewer sense lines?  

5.jpg shows 50 Y connections.

> maybe only 1 sense line per plane?

That's normal.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York