Mar 28, 2015 #1 A alikemal Newbie level 5 Joined Mar 28, 2015 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 41 Hi I am new about current mirrors and i dont understand why we need to use Vdd ? because we already use a current source.
Hi I am new about current mirrors and i dont understand why we need to use Vdd ? because we already use a current source.
Mar 28, 2015 #2 A alikemal Newbie level 5 Joined Mar 28, 2015 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 41 So if i dont use Vdd in a simulation, what will happen?
Mar 28, 2015 #3 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,426 Helped 14,752 Reputation 29,786 Reaction score 14,103 Trophy points 1,393 Location Bochum, Germany Activity points 298,122 If you assume that the current source has an internal energy source (an ideal current source in a simulation of course has), you don't need Vdd. A technical current source, e.g. a transistor circuit will need an external energy source. - - - Updated - - - No difference at all.
If you assume that the current source has an internal energy source (an ideal current source in a simulation of course has), you don't need Vdd. A technical current source, e.g. a transistor circuit will need an external energy source. - - - Updated - - - No difference at all.