NEWS: the DVB UHF doherty project description is now available into My projects section

My projects
Technical docs
Inventor Awards
Training and courses
Photo gallery
Tips and tricks
Spurious analysis
Routine for OrCAD
WinNT and 98
RS232 to TTL
American Wire Gauge
B-constant
Momentum VS IE3D
Frequenza delle note
Tube models
Ebooks
High Speed Logics
Downloads
Contacts
Links
Sitemap
2A3 · 3CX300 · SV6AS7 · 6BM8 · 6DJ8 · 6N1P · 6SN7GTB · 6SN7GTB-H · 12AT7 · 12AT7-H · 12AU7 · 12AU7-H · 12AX7 · 12AX7-H · 76 · 300B · 5751 · SV5723 · SV57210 · 6146 · 6BM8P · 6BQ5 · 6CA7 · 6KG6 · 6L6 · 6V6 · EF86 · SV83

EF86

 

.SUBCKT EF86 A S G K

*
* Calculate reduction in mu when Vg < -3V
*
Emu     mu      0       VALUE={LIMIT{V(G,K),-3,999}+LIMIT{V(G,K)+3,-999,0}*0.714}
*
* Calculate contribution to cathode current
*
Eat     at      0       VALUE={0.636*ATAN(V(A,K)/15)}
Egs     gs      0       VALUE={LIMIT{V(S,K)/27.5+V(mu)*1.32+1,0,1E6}}
Egs2    gs2     0       VALUE={PWRS(V(gs),1.5)}
Ecath   cc      0       VALUE={V(gs2)*V(at)}
*
* Calculate anode current
*
Ga      A       K       VALUE={5.83E-4*V(cc)}
*
* Calculate screen current
*
Escrn   sc      0       VALUE={V(gs2)*(1.1-V(at))}
Gs      S       K       VALUE={0.5E-3*V(sc)}
*
* Capacitances
*
Cg1     G       K       3.8p
Cak     A       K       5.3p
Cg1a    G       A       0.05p

.ENDS


 


You are here: Home-Tips and tricks-Tube models-EF86

Previous Topic: 6V6 Next Topic: SV83