How do you SPICE model your JFET? - diyAudio
Go Back   Home > Forums > Amplifiers > Solid State

Solid State Talk all about solid state amplification.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 11th February 2002, 10:09 PM   #1
diyAudio Member
 
Join Date: Feb 2002
Location: Detroit, Michigan USA
Send a message via AIM to honeycombaudio Send a message via Yahoo to honeycombaudio
Question How do you SPICE model your JFET?

I am doing a little write up on JFETS for my soon to be web site. I am curious as to how those of you who use SPICE create models of JFETS. From a little research I have come up with the following basic table.

PARAMETER = DESCRIPTION = MEASURED/DATABOOK VALUE

VTO = Threshold Voltage = Vp
BETA = Transconductance = IDSS/|Vp|^2 @ Vgs=0
LAMBDA = Output Conductance = 1/|yos|
CGS = Gate Source Cap = Ciss - Crss
CGD = Gate Drain Cap = Crss

I know I am missing some parameters and I was hoping some contributions to this table could be made.

Next I hope to look at BJT's, a more complicated device model.

Thanks for your help.

Stephen
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
JFET CS design, how? (and possible SPICE oddity) StefanTH Solid State 4 23rd October 2008 10:24 AM
Help With 6v6 Spice Model porcatroya Tubes / Valves 0 5th May 2008 06:41 AM
SPICE model Prune Parts 6 16th October 2004 03:22 PM
Spice model doigtee Tubes / Valves 6 12th July 2003 11:42 AM
Spice model for LED? G Solid State 5 14th September 2002 03:33 AM


New To Site? Need Help?

All times are GMT. The time now is 03:05 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2