Try this Formula's: Transistor in Saturation Region: Vds>Vgs-Vt, where Vds is the drain-source voltage, Vgs is the gate source voltage and Vt is the threshold voltage. To compute the KPp and KPn, use: Id=KPn(W/L)(Vgs-Vt)^2. Rgds Harikrishnan manthos labropoulos <manthoslmp@xxxxxxxx> wrote: Thanks Mr Hari But is there any formula which gives you Kn and Kp from the technology parameters of the transistors ? --- Hari krishnan --------------------------------- Ýãñáøå: > > Dear Manthos: > > Try reverse engineer the parameter by constructing a > common source amplifier with resistive peaking, in > saturation region and re-calculate the parameter by > the data provided by the listing file (HSPICE) or > output file. > > Although the accuracy of this method is quite > doubtful but it helps in obtaining the required > parameter for preliminary design purpose. > > Rgds > > Harikrishnan > manthos labropoulos wrote: > > Hi all > > Can anybody tell me how can i calculate the > Intrinsic > transconductance for the NMOS and PMOS transistors > (KPn and KPp) from the Level 49 spice model > parameters > ? > > Thanks > > ____________________________________________________________ > Do You Yahoo!? > ÁðïêôÞóôå ôç äùñåÜí @yahoo.gr äéåýèõíóç óáò óôï > http://www.otenet.gr > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in > the Subject field > > or to administer your membership from a web page, go > to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the > Subject field > > List archives are viewable at: > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are > viewable at: > http://www.qsl.net/wb6tpu > > > > > --------------------------------- > Want to chat instantly with your online friends? Get > the FREE Yahoo!Messenger > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in > the Subject field > > or to administer your membership from a web page, go > to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the > Subject field > > List archives are viewable at: > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are > viewable at: > http://www.qsl.net/wb6tpu > > ____________________________________________________________ Do You Yahoo!? ÁðïêôÞóôå ôç äùñåÜí @yahoo.gr äéåýèõíóç óáò óôï http://www.otenet.gr --------------------------------- Want to chat instantly with your online friends? Get the FREE Yahoo!Messenger ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu