At 09:48 AM 8/21/2008, Jim Denneny wrote...
>I am about to attempt the N8LP K3 Buffer Mod for improved RX
>performance. It involves exchanging two, extremely small,
>surface-mount resistors.
Chip-quick (
http://www.chipquikinc.com/newsletters/cq_new_june_2004.htm ) is great
for doing SMT rework. It's a low melting temperature alloy, which you
use like solder. It mixes with the existing solder to make device
removal easy. It doesn't take much.
Although I am a big fan of ChipQuik you should try it on an old PC board
before you try it on something that might break your heart if you fail.
ChipQuik can send a part flying (along with a trail of molten ChipQuik) if
the part has been tacked down with an adhesive and requires a little
pressure. Once you get the hang of it, on a multipin IC, it can be a life
saver. I don't think I would use it on a resistor or cap though. I would go
with the single iron back and forth or the two iron method.
Tom, AK2B
--
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