Jul 19, 2005 #1 H hebu Full Member level 4 Joined Nov 15, 2004 Messages 194 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,296 Activity points 1,816 modelling fully differential op amp Where I can get the ideal differential opamp in candence? only i can get is single ended output. Or may I use two opamp to make a differential output?
modelling fully differential op amp Where I can get the ideal differential opamp in candence? only i can get is single ended output. Or may I use two opamp to make a differential output?
Jul 19, 2005 #2 C ccw27 Full Member level 5 Joined Oct 13, 2004 Messages 267 Helped 14 Reputation 28 Reaction score 6 Trophy points 1,298 Activity points 2,558 modelling op amp fullydifferential Just use VCVS from analoglib. You can also add resistors and capacitors to emulate the pole position
modelling op amp fullydifferential Just use VCVS from analoglib. You can also add resistors and capacitors to emulate the pole position
Jul 19, 2005 #3 H hebu Full Member level 4 Joined Nov 15, 2004 Messages 194 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,296 Activity points 1,816 ideal differential opamp model Ya, this is a good idea, this can model the pole location and ft and dc gain. But, how to emulate the slew rate?
ideal differential opamp model Ya, this is a good idea, this can model the pole location and ft and dc gain. But, how to emulate the slew rate?
Jul 24, 2005 #4 Y yeewong_su Advanced Member level 4 Joined Oct 12, 2004 Messages 119 Helped 5 Reputation 10 Reaction score 3 Trophy points 1,298 Activity points 803 behavior modelling op amp cadence You can using the behavior model to gen the ideal opamp
Jul 24, 2005 #5 U uncle_urfi Full Member level 2 Joined Mar 15, 2004 Messages 146 Helped 10 Reputation 20 Reaction score 6 Trophy points 1,298 Activity points 2,004 ideal diff opamp In the ahdlLib, there is an opamp that is verilog-A based. This already has built-in parameters for gain, input resistance etc.
ideal diff opamp In the ahdlLib, there is an opamp that is verilog-A based. This already has built-in parameters for gain, input resistance etc.