^ tis true. I worked avionics for 4yrs in the navy and saw some really dumb stuff on circuit boards. technical changes came to us once a quarter and things like this where part of those changes at least once or twice a year. Part of the problem has to do with component aging and board aging. as boards and components age and accumulate corrosion their resistance values increase. this in turn changes the voltage drop across individual components. it usually isnt much but when using close tolerance components any change can cause problems. electrolytic capacitors are cheap and used extensively bc of their low price. this doesnt mean they are crap it just means they arent built to tolerate much variance in input.


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