From: Jim Freeman ([email protected])
Date: Wed Dec 01 1999 - 13:04:14 PST
Hi Ray,
The buffers I have dealt with were n-level current sources that generated a variable voltage across a fixed load. They were also differential and
required 100 ohms differential impedance.
Jim Freeman
Ray Anderson wrote:
> Anyone out there have any experience in modeling N-level
> signaling drivers in spice ? Or even any ideas on how you
> might implement such a beast as a behavioral model?
>
> I'm thinking of a driver that has controlled (both in amplitude
> and duration) 'overshoot' on both rising and falling edges.
>
> Excuse the fine ASCII art, the following diagram illustrates
> the basic concept I had in mind:
>
> ---- <-- controlled overshoot
> | |
> | |
> | ------ <-- Logic 1
> | |
> ------ | _______________ <--- Logic 0
> | |
> | |
> | |
> | |
> |___| <-- controlled overshoot
>
>
> Ray Anderson
>
> Sun Microsytems Inc.
>
> **** To unsubscribe from si-list: send e-mail to [email protected]. In the BODY of message put: UNSUBSCRIBE si-list, for more help, put HELP.
> si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list
> ****
**** To unsubscribe from si-list: send e-mail to [email protected]. In the BODY of message put: UNSUBSCRIBE si-list, for more help, put HELP.
si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list
****
This archive was generated by hypermail 2b29 : Tue Feb 29 2000 - 11:39:03 PST