Rob Locher W7GH wrote on Friday, January 27, 2006 9:56 PM
I've used the Rework Eliminators, and the only trouble I've had with
testing and alignment is remembering to plug the Rework Eliminators in
first. (You shouldn't leave them in when installing parts, because some
are easily damaged if you rest the RF board on the bench upside down.)
---------------------------------------------------------------
To protect parts when working on a PCB I add legs to both sides of the board
using hexagonal metal spacers - the type that have a tapped hole at one end
and a threaded part at the other end - and using the holes near the edge of
the PCB that would normally be used for fastening the PCB to its box or
whatever. With the K2's RF board I used four pairs of legs near the PCB's
edge and added a fifth pair near the centre of the PCB for extra support.
Each pair of legs consists of spacers that connect via a suitable hole in
the PCB so that a leg is attached to the top of the PCB, and another to the
underside. Using spacers that mate, the legs can be made long enough so that
the tallest components on the top or underside of the board are well
protected, and the PCB is kept clean. With small boards like the KNB2's PCB
I use one pair of legs, one hole, with one of the pair held by a small (but
heavy) vise, sometimes by a *Third Hand*.
73,
Geoff.
GM4ESD
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