Aug 9, 2004 #1 R rauol Full Member level 6 Joined Oct 2, 2002 Messages 325 Helped 16 Reputation 32 Reaction score 4 Trophy points 1,298 Location India Activity points 2,647 ac constant current source 8)I have a 500 Hz AC Sine signal and i want it to have constant current AC source of 2 milli Amp. any suggestion .
ac constant current source 8)I have a 500 Hz AC Sine signal and i want it to have constant current AC source of 2 milli Amp. any suggestion .
Aug 10, 2004 #2 Y yjkwon57 Full Member level 4 Joined Jul 31, 2004 Messages 218 Helped 24 Reputation 48 Reaction score 3 Trophy points 1,298 Activity points 1,808 How about using a voltage-to-current converter at that frequency?
Aug 10, 2004 #3 S sunking Advanced Member level 3 Joined May 25, 2004 Messages 873 Helped 70 Reputation 140 Reaction score 23 Trophy points 1,298 Activity points 6,283 Use opa and res.
Aug 10, 2004 #4 S sadfish Junior Member level 3 Joined Jul 2, 2004 Messages 29 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 236 use opa to force the voltage over a res is equal to the input signal. then use current mirror to produce the current you wanted!
use opa to force the voltage over a res is equal to the input signal. then use current mirror to produce the current you wanted!