Non-Inverting Comparator by LM339

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Non-Inverting Comparator by IC LM339
This be Comparator Voltage or Non-Inverting Comparator Circuit. That show with LED display. By live the work of IC LM339 do infront check input Voltage. LED bright when voltage input (pin 5) decline more voltage referable (pin 4). R1 , R2 be formed fix Voltage the referable. R4 perform fine decorate optional input voltage. For Volte supply use about 9Vdc. Other detail see in image sir.

pin 5 : Optiomal IN Voltage
Pin 3 : Volt supply +9V
R1-R2 :Control Reference Voltage at Pin 4

This entry was posted on Wednesday, June 27th, 2007 at 11:05 am and is filed under Circuit. You can follow any responses to this entry through the RSS 2.0 feed.