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VenomGhost
 2 years ago
Best ResponseYou've already chosen the best response.0I've seen current loop sensors, current is less vulnerable to noise than then a tension source, so it's used on noisy high frequency enviroments like presure sensors in industrial HVAC systems, where they use for examples compresors, frequency inverters to drive condenser fans and so on

nczempin
 2 years ago
Best ResponseYou've already chosen the best response.0Well, you don't usually just buy a current source off the shelf (like you do a voltage source), but you design it into your circuits

Tweedle_Dee
 2 years ago
Best ResponseYou've already chosen the best response.0Yes. Lots of test equipment have both voltage sources and current sources that you can program. Current sources are used a ton in integrated circuits as well.

VenomGhost
 2 years ago
Best ResponseYou've already chosen the best response.0no @nczempin it's not exactly something to buy off the shelf, but current sources are designed and used thats my point a simple voltage regulator with a shun resistance provides a stable current source for simple use

radar
 2 years ago
Best ResponseYou've already chosen the best response.2current sources such as CCS (constant current source) have normally high internal impedances such as the "pentode" or MOSFETs
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