May 10, 2006 #1 jwfan Member level 4 Joined Nov 13, 2005 Messages 70 Helped 5 Reputation 10 Reaction score 2 Trophy points 1,288 Location Earth Activity points 1,741 I want to build a current mirror to handle 200u current. for 0.5u process, how to determine the optimized width of the device? Thanks Benjamin
I want to build a current mirror to handle 200u current. for 0.5u process, how to determine the optimized width of the device? Thanks Benjamin
May 10, 2006 #2 E elbadry Full Member level 6 Joined May 6, 2005 Messages 347 Helped 72 Reputation 144 Reaction score 10 Trophy points 1,298 Location Egypt Activity points 3,884 This depends on what you want to do... A few guidelines: 1. increase the channel Length to improve current matching and output impedance. 2. If headroom allows, use cascode, wilson or wide swing cascode cofigurations. 3. Choose W to achieve a Vdsat that would give you the swinf you need. Regards
This depends on what you want to do... A few guidelines: 1. increase the channel Length to improve current matching and output impedance. 2. If headroom allows, use cascode, wilson or wide swing cascode cofigurations. 3. Choose W to achieve a Vdsat that would give you the swinf you need. Regards
May 12, 2006 #3 J jassi Junior Member level 1 Joined Apr 25, 2006 Messages 17 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,420 wht is ur application