Nov 16, 2007 #1 B benever Member level 5 Joined Oct 5, 2006 Messages 90 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,871 how to design a Gm with good linearity such as -60dB when the input differential signal is about 1vpp ??
how to design a Gm with good linearity such as -60dB when the input differential signal is about 1vpp ??
Nov 16, 2007 #2 I iamxo Full Member level 4 Joined Mar 22, 2006 Messages 225 Helped 16 Reputation 32 Reaction score 4 Trophy points 1,298 Location Southeast Asia Activity points 2,493 there are many linearization techniques. you should compare them. such as source degeneration and other methods.
there are many linearization techniques. you should compare them. such as source degeneration and other methods.
Nov 16, 2007 #3 G GDF Full Member level 3 Joined Aug 11, 2005 Messages 175 Helped 2 Reputation 4 Reaction score 1 Trophy points 1,298 Activity points 2,895 Increase your overdrive voltage of your differential pair (Vgs-Vth).
Nov 16, 2007 #4 W wpchan05 Full Member level 4 Joined Feb 16, 2006 Messages 213 Helped 20 Reputation 40 Reaction score 4 Trophy points 1,298 Activity points 2,392 for the input transconductor, what region of operation do you want to be? triode or saturation?
Nov 16, 2007 #5 K kwkam Full Member level 5 Joined Feb 25, 2002 Messages 275 Helped 30 Reputation 60 Reaction score 13 Trophy points 1,298 Location Somewhere on earth Activity points 1,886 What is your question actually!?
Nov 16, 2007 #6 W wpchan05 Full Member level 4 Joined Feb 16, 2006 Messages 213 Helped 20 Reputation 40 Reaction score 4 Trophy points 1,298 Activity points 2,392 kwkam said: What is your question actually!? Click to expand... all the open loop linearization techniques are depended on what region of operation your transistors work on. So, to linearlize transistors we need to know this detail, I think.
kwkam said: What is your question actually!? Click to expand... all the open loop linearization techniques are depended on what region of operation your transistors work on. So, to linearlize transistors we need to know this detail, I think.