[time-nuts] Odd FTS 4060 Behavior

Bob Camp lists at rtty.us
Mon Jun 14 12:13:28 EDT 2010


Hi

Some places use up PC boards a lot faster than others. Board oxidation can
be a problem if you have a board in stock for a couple of years before it's
used. In some cases having a tomato soup plant or sulfur hot spring, up wind
can compound the issue.

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Raj
Sent: Monday, June 14, 2010 11:48 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Odd FTS 4060 Behavior

IMHO gold does not tarnish but below/above the amalgam of gold with solder
the solder probably will. The best solder connect will be where the
different metal layers amalgam deeply. A thicker gold plating should work
better.

AGlenn Little WB4UIV wrote:

>>I do not know why the manufacturers insist on gold plating leads that are
designed to be soldered.
>>Silver plating seems like a better solution.
>>In this case, it appears that pins were soldered that were not designed to
be soldered.
>
>gold does not tarnish, silver does

-- 
Raj, VU2ZAP
Bangalore, India. 


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