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24th April 2013, 10:54 PM  #1 
diyAudio Member
Join Date: Oct 2010
Location: Traslasierra

LTSpice models needed
Hi all.
Having exhausted the searches with Google, I turn once again to the collective intelligence. 6GK5  EC88  E180F Thanks in advance.
__________________
I do not suffer from insanity, I enjoy every minute of it. Edgar Allan Poe I'm not crazy about reality, but it's still the only place to get a decent meal. Groucho Marx 
24th April 2013, 11:28 PM  #2 
diyAudio Member
Join Date: Jul 2003
Location: Wayne, West Virginia

Code:
* 6GK5_GE LTSpice model * Modified Koren model (5 parameters) 0.541547mA * Traced by Wayne Clay 12212012 using Curve Captor v0.9.1 * from General Electric data sheet .subckt 6GK5_GE P G K Bp P K I=(0.1613820387m)*uramp(V(P,K)*ln(1.0+exp((2.74630225)+(2.74630225)*(110.0938181)*V(G,K)/sqrt((5.036113112k)+(V(P,K))**2)))/(2.74630225))**(1.055422106) Cgk G K 5.7p ; 0.7p added Cpk P K 3.7p ; 0.2p added Cgp G P 0.72p ; 0.2p added d3 G K dx1 .model dx1 d(is=1n rs=2k cjo=1pf N=1.5 tt=1n) .ends 6GK5_GE 
24th April 2013, 11:33 PM  #3 
diyAudio Member
Join Date: Jul 2003
Location: Wayne, West Virginia

and this one...
Code:
* 6GK5_GEGP LTSpice model * Koren model(5 parameters): mean fit error 0.249882mA * Traced by Wayne Clay 12212012 using Curve Captor v0.9.1 * from General Electric data sheet gridplate transfer curves .subckt 6GK5_GEGP P G K Bp P K I=(0.1452046509m)*uramp(V(P,K)*ln(1.0+exp((2.802767885)+(2.802767885)*(107.6098728)*V(G,K)/sqrt((5.497494886k)+(V(P,K))**2)))/(2.802767885))**(1.077094947) Cgk G K 5.7p ; 0.7p added Cpk P K 3.7p ; 0.2p added Cgp G P 0.72p ; 0.2p added .ends 6GK5_GEGP 
24th April 2013, 11:33 PM  #4 
diyAudio Member
Join Date: Oct 2010
Location: Traslasierra

Thank you very much !
Master of masters !
__________________
I do not suffer from insanity, I enjoy every minute of it. Edgar Allan Poe I'm not crazy about reality, but it's still the only place to get a decent meal. Groucho Marx 
24th April 2013, 11:48 PM  #5 
diyAudio Member
Join Date: Jul 2003
Location: Wayne, West Virginia

EC88:
Code:
*  * EC88 UHF triode LTSpice model * Modified Koren model (8 parameters) mean fit error 0.199402mA * Traced by Wayne Clay on 09/09/2007 using Curve Captor v0.9.1 * from La RadioTechnque data sheet *  .subckt EC88 P G K Bp P K I=(0.1461968258m)*uramp(V(P,K)*ln(1.0+(0.1091553585)+exp + ((2.636947214)+(2.636947214)*((76.1162895)+(3207.840539m)*V(G,K))* + V(G,K)/sqrt((62.88763962)**2+(V(P,K)(26.31911466))**2)))/ + (2.636947214))**(1.054580966) Cgp G P 2.4p ; 0.7p added Cgk G K 4.5p ; 0.7p added Cpk P K 0.255p ; 0.2p added .ends EC88 Last edited by cogsncogs; 24th April 2013 at 11:51 PM. 
24th April 2013, 11:55 PM  #6 
diyAudio Member
Join Date: Jul 2003
Location: Wayne, West Virginia

Got this one from reVintage a while back.
Code:
.SUBCKT E180F 1 4 2 3 + PARAMS: MU= 56.00 EX= 1.350 KG1= 250.0 KP=6709.19 KC= 850 + KVB= 7.9 VCT= 0.00 RGI=2k + CCG=8.5P CPG1=0.03P CCP=3P RE1 7 0 1G RE2 8 3 1G E1 7 0 VALUE= ; E1 BREAKS UP LONG EQUATION FOR G1. +{V(4,3)/KP*LOG(1+EXP((1/MU+V(2,3)/V(4,3))*KP))} G1 1 3 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))/KG1*ATAN(V(1,3)/KVB)} G2 8 3 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))/KC*(2.5708ATAN(V(1,3)/KVB))} E2 8 4 VALUE={0} RCP 1 3 1G ; FOR CONVERGENCE C1 2 3 {CCG} ; CATHODEGRID 1 C2 1 2 {CPG1} ; GRID 1PLATE C3 1 3 {CCP} ; CATHODEPLATE R1 2 5 {RGI} ; FOR GRID CURRENT D3 5 3 DX ; FOR GRID CURRENT .MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N) .ENDS 
25th April 2013, 12:08 AM  #7 
diyAudio Member
Join Date: Oct 2010
Location: Traslasierra

I'm playing around with the curves, all models looks great !
Thanks again.
__________________
I do not suffer from insanity, I enjoy every minute of it. Edgar Allan Poe I'm not crazy about reality, but it's still the only place to get a decent meal. Groucho Marx 
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