Dec 4, 2007 #1 T taofeng Advanced Member level 4 Joined Mar 21, 2006 Messages 104 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,296 Activity points 2,021 small signal model nmos linear region how to model a transistor working in linear region ?
Dec 5, 2007 #2 Y yxo Full Member level 4 Joined Jul 13, 2007 Messages 196 Helped 26 Reputation 52 Reaction score 8 Trophy points 1,298 Location The Netherlands, Delft Activity points 2,303 linear region small-signal model MOS or FET in linear region - resistor it resistance R = 1 / (k*W/L* Vov)
linear region small-signal model MOS or FET in linear region - resistor it resistance R = 1 / (k*W/L* Vov)
Dec 5, 2007 #3 E Element_115 Advanced Member level 2 Joined Mar 23, 2002 Messages 508 Helped 72 Reputation 144 Reaction score 43 Trophy points 1,308 Activity points 3,755 Check the vendor they should have a SPICE model of S-Parameter model.
Dec 15, 2007 #4 L lladnar23 Full Member level 4 Joined Mar 20, 2006 Messages 196 Helped 36 Reputation 72 Reaction score 3 Trophy points 1,298 Activity points 2,482 Take the derivative of the large signal TF with respect to VGS, and you get gm for whatever operating region.
Take the derivative of the large signal TF with respect to VGS, and you get gm for whatever operating region.
Dec 16, 2007 #5 N naalald Full Member level 4 Joined Dec 2, 2006 Messages 216 Helped 30 Reputation 54 Reaction score 5 Trophy points 1,298 Activity points 2,627 Hi, A more detailed model can be obtained using the equation in this paper. This gracious equation is valid for all regions of operation of a mosfet. The paper is by Tsividis.
Hi, A more detailed model can be obtained using the equation in this paper. This gracious equation is valid for all regions of operation of a mosfet. The paper is by Tsividis.