Hi Jaz,
Thank you very much.
It is very helpful.
The linked document enables me to enter the spice parameters for any tube which I have its' data.
BTW, sometimes, some tubes datasheets don't include all parameters. However, those parameters can be derived, for a given working point, from the anode curves.
Yes, indeed this is how I do it.
Jaz
Code:
* 6N6P MicroCap model
* Koren model (5 parameters): mean fit error 0.591392mA
* Traced by Wayne Clay on 12/23/2016 using Curve Captor v0.9.1
* and Engauge Digitizer from Soviet datasheet
.subckt 6N6P P G K
Gp P K VALUE=
+ {(0.01775316952m)*limit(V(P,K)*ln(1.0+exp((7.538517656)+(7.538517656)*(16.95526988)*
+ V(G,K)/sqrt((-0.006038270499k)+(V(P,K))**2)))/(7.538517656),0.0,1.0e16)**(1.665343065)}
Cgp G P 4.2p ; 0.7p added (3.5p)
Cgk G K 5.1p ; 0.7p added (4.4p)
Cpk P K 1.9p ; 0.2p added (1.7p)
Rpk P K 1.0G ; to avoid floating nodes in mu-follower
d3 G K dx1
.model dx1 d(is=1n rs=2k cjo=1pf N=1.5 tt=1n)
.ends 6N6P