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

6146

 

.SUBCKT 6146 A S G K
*
* Calculate contribution to cathode current
*
Eat     at      0       VALUE={0.636*ATAN(V(A,K)/10)}
Eme     me      0       VALUE={LIMIT{V(A,K),0,10000}/130}
Emu     mu      0       VALUE={PWRS(V(G,K),1-(LIMIT{-V(G,K),30,9999}-30)/2000)}
Egs     gs      0       VALUE={LIMIT{V(A,K)/10+V(S,K)*4.5+V(mu)*19,0,1E6}}
Egs2    gs2     0       VALUE={PWRS(V(gs),1.5)*16E-6}
Ecath   cc      0       VALUE={LIMIT{V(gs2)*V(at),0,V(me)}}
Esd     sd      0       VALUE={LIMIT{V(gs2)*V(at)-V(me),0,99999}}
*
* Calculate anode current
*
Ga      A       K       VALUE={V(cc)}
*
* Calculate screen current
*
Escrn   sc      0       VALUE={2.5E-4*PWRS(V(S,K),1.5)*V(gs2)*(1.1-V(at))+V(sd)}
Gs      S       K       VALUE={V(sc)}
*
* Grid current
*
Gg      G       K       VALUE={PWR(LIMIT{V(G,K)+1,0,1E6},1.5)*(1.25-V(at))*870E-6}
*
* Capacitances
*
Cg1     G       K       13.0p
Cak     A       K       8.5p
Cg1a    G       A       0.24p

.ENDS


 


You are here: Home-Tips and tricks-Tube models-6146

Previous Topic: SV57210 Next Topic: 6BM8P