Here is a wealth of information about much of the electronics that is used by government entities especially the military. You can find out what the system is for data processing hardware. This used to be called JAN – Joint Army Navy. https://en.m.wikipedia.org/wiki/Joint_Electronics_Type_Designation_System
Archive for the ‘Electronics Books, documents, literature’ Category:
2023-09-29 Calculate Resistance From Color Code
Something that beginners can put on their desktop. http://nonlinear.eecs.berkeley.edu/chaos/ResistanceCalculator/resistor.htm
2023-09-03 Ethernet And POTS Over The Same Pair
When I was in the Army in Germany, I worked at the switchboard. We had a few telephone lines between HQ where I was and other missile battalions. These were from the German telephone system. There weren’t enough telephone pairs so they ordered the transformers used to make phantom circuits and installed them at both
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2023-08-02 Smith Chart: How To Use and What It’s For
Great 9 min. YouTube video on why a Smith Chart is used and how to use it. It’s not that difficult. As with most things electronic, the user gets to learn how to use another tool to answer questions. In this case, the question is how much of the power is reflected from the antenna
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2022-02-23 Pumped Hydro Energy Storage
Articles pumped hydro energy storage https://www.freethink.com/technology/why-pumping-water-back-into-hydro-dams-beats-batteries-for-renewable-power?amp=1 Research paper? Downloadable https://iopscience.iop.org/article/10.1088/2516-1083/abeb5b
2022-01-29 Energy Storage Cost Report From DOE, LiIon vs Lead Acid Batteries
This 120 page publication (.PDF) gives costs and characterizations of energy storage systems. https://www.energy.gov/sites/prod/files/2019/07/f65/Storage%20Cost%20and%20Performance%20Characterization%20Report_Final.pdf This 9 page (abstract) compares lead-acid and lithium batteries. https://collaborate.princeton.edu/en/publications/a-comparison-of-lead-acid-and-lithium-base,d-battery-behavior-and-
2021-12-08 Screwdriver Discharge Capacitor Test Question
This is one helluva test question. https://www.chegg.com/homework-help/questions-and-answers/15-end-screwdriver-used-discharge-10-microfarad-capacitor-producing-spark-large-instantane-q4497288 I don’t even want to read the answer!
2021-10-28 Joe Legal And Jose Illegal
The story of Joe Legal and Jose Illegal is rated false by Politifact; it’s full of inaccuracies and wrong information. https://www.politifact.com/factchecks/2020/mar/13/facebook-posts/post-comparing-joe-legal-and-jose-illegal-rife-ina/ The story: << Joe legal works in construction, has a Social Security number and makes $25.00 per hour with taxes deducted. Jose illegal also works in construction, has no Social Security number and makes
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2021-09-27 Millions Of Carbon Capture Machines
There are those who say that we have waited too long and that if we went to zero GHG emissions immediately, the CO2 and GHGs already in the atmosphere will cause the temperature to rise above the 1.5 degrees C, to more than 2 degrees. So yes, we need millions of machines or hundreds of
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2021-09-01 Global Warming And Extreme Sea Levels
Looks bad. https://www.nature.com/articles/s41558-021-01127-1
