FW: [SI-LIST] : FIXED: curve tracers and Output Impedance

Heyfitch, Vadim (vadim.heyfitch@intel.com)
Mon, 6 Apr 1998 09:32:22 -0700

> I think the initial curve Sandy Taylor drew was correct. That is if we
> agree on the meaning of those variables on the axes.
>
If Vout is the DS voltage, and Iout is the drain current. While the gate
voltage is tied high, raising the drain-source voltage will cause Id go up
linearly at first and then saturate. The TAN^(-1) of the slope in the linear
region is Ron of the driver.
> A strong driver has a steep curve (low Ron).
> high
> | d------------- Vout
> | |
> | _|
> g|--|_
> |
> |
> s
>
> Vadim Heyfitch
>
> -----Original Message-----
> From: owner-si-list@silab.Eng.Sun.COM at SMTPGATE
> Sent: Friday, April 03, 1998 10:41 AM
> To: si-list@silab.Eng.Sun.COM at SMTPGATE
> Subject: [SI-LIST] : FIXED: curve tracers and Output Impedance
>
> oops.
>
> Here is the corrected version:
>
>
> > Iout |
> > | |
> > | /
> > | /
> > | /
> > | /
> > | /
> > | /
> > |/
> > --------------- Vout
> > /
> > |
> > |
> > The flattening out is due to the diode clamping. << File:
> External.TXT >>