PMEL Training Documentation

Started by beilof, 09-14-2011 -- 21:28:44

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Hawaii596

#15
03-11-2016 -- 08:30:52
Lots of things have changed.  The replacement for the Standard Cells is the Josephson Junction - which is a fascinating piece of equipment.  You might try looking up some white papers on it, if you are curious.  Wish I had some of the PMEL documentation.  I went through PMEL at Lowry AFB in 1983, and don't know where my materials are any more.
"I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind."
Lord Kelvin (1824-1907)
from lecture to the Institute of Civil Engineers, 3 May 1883

briansalomon

#16
03-11-2016 -- 16:19:59
I don't know of any site with the actual PMEL course but a lot of what was in it was material it sounds like you already have. From memory here is what was in my course in 1982:
1- Electron theory (valence bands, hole flow etc)
2- Basic DC circuits
3- Basic AC circuits
4- Tube theory (I was in the last one before they changed over to transistors)
5- Logic circuits
6- Basic audio generator
7- Time/frequency standard
8- Soldering
9- Oscilloscope theory of operation
10- Oscilloscope troubleshooting

I missed some stuff but most of what was taught in the course is commonly available on the web somewhere.

Most of what is actually practiced in a PMEL lab has to be learned in one. The course only prepared us to learn what we would actually use. It was the senior sergeants who passed down what they knew to me. Today I try to share that with the junior members in the commercial lab where I work.

I read the white paper metvet posted a link to and it was interesting. Here is a link to a Transcat white paper on uncertainty ratios.
http://www.transcat.com/media/pdf/TUR.pdf
Bring technical excellence with you when you walk in the door every day.

dallanta

#17
06-28-2016 -- 05:26:31
  It has been a long time since I have been to this group.  I retired completely a while back.  I discovered the PMEL mindset never leaves you though, like when you are trying to measure something with a ruler and you are disgusted with how big the markings are on the ruler, lol.
I had an instructor many moons ago, show us an IC.  Then he said forget it, they will never replace tubes and transistors.
The Center Will Not Hold

Bryan

#18
06-28-2016 -- 17:18:47
I also went thru Lowry in 1983, most of my course materials (2 ea. 75 lb boxes) ended up in a trash can at the Denver train station when I left town.  Wasn't my plan but Amtrak pretty much sucks.

dminesinger

#19
06-28-2016 -- 18:20:55
Quote from: dallanta on 06-28-2016 -- 05:26:31
I had an instructor many moons ago, show us an IC.  Then he said forget it, they will never replace tubes and transistors.

And in some high power or audio applications tubes are still the best.
PapaBear

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'It's the Veteran, not the poet, who has given us the freedom of speech.'
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