Tim,
First, use a small flat screwdriver or similar tool to form the wires
adjacent to the crystal case - the wire and the crystal should be in
contact with each other before you start soldering.
The crystal cases wick away the heat from the iron quickly.
Use a larger tip if you have one and turn the heat on your soldering
station up to 800 deg F.
Lay as much area of the tip as you can against the crystal case and melt
a small amount of solder between the iron tip and the crystal case -
then position your solder on the crystal case near the point where the
iron and wire contact the crystal (but not right on either the iron or
the wire). When the solder melts, the crystal can should be hot
enough. A bit of flux should run out of your solder - pass the iron tip
over the area where you just added the flux and it should be done. All
those steps should take 3 to 4 seconds if your soldering tip is big
enough and the heat is high enough. If not, let the crystal can cool
and try again - too low heat for a long period of time can create
damage, where a higher heat for a short period will not cause damage.
73,
Don W3FPR
Tim wrote:
Ladies and Gents,
I am in the process of mounting the crystals on my K2 RF board (Page 54 of the
manual). I'm having difficulty in getting a good solder joint on the grounding
wires for crystals 7 - 11, the ones that are to be grounded on the sides of
their cases, rather than the tops. If I were to do it over, I'd solder the
wires to the cases before installing the crystals on the board, but it's too
late for that now. Are there any tricks to attaching the grounding wires?
Thanks es 73,
Tim - KX3H
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