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Old 19th October 2013, 03:29 AM   #5401
lhquam is offline lhquam  United States
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Quote:
Originally Posted by Nelson Pass View Post
DC offset 50 mV over temp is not a concern for me.

But back to the original 500 mV values, quite a few such problems are solder
connections, which happens to everyone (except John Curl).

Try re-soldering all the connections on that channel.

How does John curl avoid bad solder connections? Does he spot weld?
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Old 19th October 2013, 08:19 AM   #5402
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Old 19th October 2013, 12:11 PM   #5403
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I gathered he charges $100 per solder connection.
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Old 19th October 2013, 03:02 PM   #5404
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ya nasty mean Dodosssesss

gollum gollum .........

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Old 19th October 2013, 03:22 PM   #5405
generg is offline generg  Germany
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May be he takes a Curlers iron.....to make his solder connections....
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Old 19th October 2013, 03:52 PM   #5406
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As I understand it, John goes to great lengths to clean the surfaces and
such before he makes a connection. Probably takes him a long time to
build something.

Me, I use clip leads....

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Old 19th October 2013, 03:58 PM   #5407
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F8 - crystal detector radio

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Old 19th October 2013, 04:08 PM   #5408
generg is offline generg  Germany
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Oh yeah! Good price!

Click the image to open in full size.
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Old 19th October 2013, 04:29 PM   #5409
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yeah ...

early 1920's greenies

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Old 19th October 2013, 05:11 PM   #5410
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[QUOTE=generg;3672402]Oh yeah! Good price!

sorry picture now working.....

seems to work... but took a long time!
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