Mar 23, 2012 #1 A anushaas Member level 5 Joined Jan 4, 2011 Messages 84 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,979 I have a nA current source.Now I have to divide this current in some 1:1000 ratio(say 1pA and 1000A).Can anyone suggest some circuits for this?
I have a nA current source.Now I have to divide this current in some 1:1000 ratio(say 1pA and 1000A).Can anyone suggest some circuits for this?
Mar 23, 2012 #2 keith1200rs Super Moderator Staff member Joined Oct 9, 2009 Messages 10,865 Helped 2,065 Reputation 4,130 Reaction score 1,596 Trophy points 1,403 Location Yorkshire, UK Activity points 57,270 1000A! If you have 1nA why do you want to reduce it? Keith.
Mar 23, 2012 #3 erikl Super Moderator Staff member Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,305 Trophy points 1,393 Location Germany Activity points 44,123 anushaas said: I have to divide this current in some 1:1000 ratio Click to expand... Use 1000 equal resistors|transistors in parallel ;-) Or use 1.11̇ MΩ , 11.1̇ MΩ , 111̇ MΩ , 1GΩ in parallel.
anushaas said: I have to divide this current in some 1:1000 ratio Click to expand... Use 1000 equal resistors|transistors in parallel ;-) Or use 1.11̇ MΩ , 11.1̇ MΩ , 111̇ MΩ , 1GΩ in parallel.
Mar 23, 2012 #4 F findsriharsha Member level 3 Joined Sep 27, 2009 Messages 65 Helped 7 Reputation 14 Reaction score 8 Trophy points 1,288 Location California US Activity points 1,644 Widlar current mirror...