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Re: selection for coil control

2006-03-16 by thormj_tiburon

> Now I know why Digikey dosn't list the 24 :). 14vs20 pins is not 
> much of a factor at this point. Bigger problem is trying to build on 
> a perfboard using the newer surface mount styles. Once/if I get a 
> working design for more expermenting, I could go to surface mount 
> parts and have the PC boards made buy someone like pcb123.com.

Also - check out SurfBoards (DigiKey, Fry's) -- I find that I quite 
like SMT prototyping when I have boards to mount the chips and bring 
out to pads.  Too bad the larger circuits look like 3D Rubik's Cubes 
(apply power to opposite corners ;).  But it lends itself to 
modularity....

Also (I haven't used) www.pcbfabexpress.com for cheap 5 day turns.  I 
use Target3001 (http://www.ibfriedrich.de - last time I used Dey's 
Electronics [www.deyselectronics.com] as the US reseller) to do the 
layout (same thing as PCB123 iirc, except you can move the design back 
and forth to other programs and you get simulation, etc).

All the PCB layout programs seem to have their own quirks, but at 
least Target is cheap.

-Thor Johnson

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