View Single Post
Old 27th Mar 2020, 4:34 pm   #35
merlinmaxwell's Avatar
Join Date: Jul 2008
Location: Maidenhead, Berkshire, UK.
Posts: 9,279
Default Re: Another DIY voltage reference...

Regarding the 10% capacitors made to 2% tolerance (not accuracy as it is often called), that happens. Just like petrol, the old British Standard said "at least a gallon per indicated gallon" now it's 1 litre +/- 1%, so we all get 990ml of petrol for a litre. There is an E symbol for quantity which means the mean quantity, doesn't apply to petrol.

Back on topic, resistors as opposed to capacitors don't need any more material to be accurate so they probably better now.
Cats have staff, it's dogs that have owners.
merlinmaxwell is online now   Reply With Quote