
Home  Forums  Rules  Articles  The diyAudio Store  Gallery  Blogs  Register  Donations  FAQ  Calendar  Search  Today's Posts  Mark Forums Read  Search 
Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum 

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 

Thread Tools  Search this Thread 
6th February 2006, 03:39 PM  #1 
diyAudio Member

EL504/PL504 spice model
I am looking for these spice model that could work in LTSwitcher CAD, thank you.
Best, a
__________________
Non é mai abbastanza... 
9th February 2006, 11:00 PM  #2 
diyAudio Member
Join Date: May 2005
Location: Stittsville, Ontario, Canada

EL504 model
Try this one.
**** * * R McLean 7 February 2006 * * EL504 pentode * parameter extraction, from data sheets, 7 February 2006 * grid current not modeled **** * .SUBCKT EL504 A S G K + PARAMS: Ex=1.36356218017116 Kg1=309.008226941514 Kp=24.0913886609314 Kvb=9.84050855226085 Mu=7.9025411899847 + Exd=1.01472919685363 Kd=92.2849763943327 Ks=0.270652934579086 Kg=0.00189539610643784 + CCG=22.0P CPG1=1.75P CCP=9.0P Eat at 0 Value={limit(0.636*ATAN(limit(V(A,K),0,2000)/KVB),0,1)} ; arctangent shaping Eme me 0 VALUE={PWR(LIMIT(V(A,K),0,2000),EXD)/KD} ; diode line Egs gs 0 VALUE= {V(S,K)/KP*LOG(1+EXP((1/MU+V(G,K)/V(S,K))*KP))} ; effective voltage Egs2 gs2 0 VALUE={(PWR(V(gs),EX)+PWRS(V(gs),EX))/(KG1*0.636)} ; total space current G1 A K VALUE={LIMIT(V(gs2)*V(at),0,V(me))} ; plate current Escrn sc 0 VALUE={KS*V(gs2)*(1.1V(at))} ; reverse arctan shaping for screen current G2 S K VALUE={Limit(V(sc),0,10)*LIMIT(V(S,K),0,10)/10} ; screen current * no grid current data available so comment out the grid current line *G3 G K VALUE={PWR(LIMIT(V(G,K)+1,0,1E6),1.5)*(1.25V(at))*KG} ; grid current C1 G K {CCG} ; CATHODEGRID 1 C2 A G {CPG1} ; GRID 1PLATE C3 A K {CCP} ; CATHODEPLATE .ENDS EL504
__________________
Robert McLean 
10th February 2006, 12:29 PM  #3 
diyAudio Member

Hi Robert,
It works great!!! Thank you very much. Any chance you have a EL509/519 or PL509/519 good as this one Regards, a
__________________
Non é mai abbastanza... 
11th February 2006, 08:07 PM  #4 
diyAudio Member
Join Date: May 2005
Location: Stittsville, Ontario, Canada

EL509 model
here is a EL509 model you can try
**** * * R McLean 11 February 2006 * * EL509 pentode * parameter extraction, from data sheets, 10 February 2006 * grid current not modeled **** * .SUBCKT EL509 A S G K + PARAMS: Ex=1.30254251632683 Kg1=95.6295743252665 Kp=9.99615840510116 Kvb=37.9209077642428 Mu=10.3695759657906 + Exd=1.01930710584093 Kd=52.271082959232 Ks=0.221606928008962 Kg=0.00189539610643784 + CCG=37.0P CPG1=2.5P CCP=18.5P Eat at 0 Value={limit(0.636*ATAN(limit(V(A,K),0,2000)/KVB),0,1)} ; arctangent shaping Eme me 0 VALUE={PWR(LIMIT(V(A,K),0,2000),EXD)/KD} ; diode line Egs gs 0 VALUE= {V(S,K)/KP*LOG(1+EXP((1/MU+V(G,K)/V(S,K))*KP))} ; effective voltage Egs2 gs2 0 VALUE={(PWR(V(gs),EX)+PWRS(V(gs),EX))/(KG1*0.636)} ; total space current G1 A K VALUE={LIMIT(V(gs2)*V(at),0,V(me))} ; plate current Escrn sc 0 VALUE={KS*V(gs2)*(1.1V(at))} ; reverse arctan shaping for screen current G2 S K VALUE={Limit(V(sc),0,10)*LIMIT(V(S,K),0,10)/10} ; screen current * no grid current data available so comment out the grid current line *G3 G K VALUE={PWR(LIMIT(V(G,K)+1,0,1E6),1.5)*(1.25V(at))*KG} ; grid current C1 G K {CCG} ; CATHODEGRID 1 C2 A G {CPG1} ; GRID 1PLATE C3 A K {CCP} ; CATHODEPLATE .ENDS EL509
__________________
Robert McLean 
13th February 2006, 03:17 PM  #5 
diyAudio Member

Hi Robert,
...and it works, again. Thanks a lot Robert, I owe you one. Best, a
__________________
Non é mai abbastanza... 
27th January 2009, 03:37 PM  #6 
diyAudio Member

Hi!
I'm looking for SPICE models of PL504 and PL509 to use with NI Multisim. I tried to use these models in NI Multisim, but did not work. Does Multisim's SPICE language different?
__________________
Olyan nem volt még, hogy ne lett volna valahogy 
27th January 2009, 07:28 PM  #7  
diyAudio Member

Quote:
__________________
Non é mai abbastanza... 

29th January 2009, 09:15 PM  #8 
diyAudio Member

Hi!
Thanks! Now it's working.
__________________
Olyan nem volt még, hogy ne lett volna valahogy 
Thread Tools  Search this Thread 


Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Help With 6v6 Spice Model  porcatroya  Tubes / Valves  0  5th May 2008 06:41 AM 
Help with ECF80 spice model  00940  Tubes / Valves  0  1st November 2007 03:32 PM 
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? 