On 07/23/2016 02:42 AM, al davis wrote:
As Felix said, the "native" diode model doesn't implement breakdown.
That's OK. I like the idea of using as much native as I can, so I can be ready to help develop gnucap later.
For now, using HV diodes, I found this: https://leicesterraspberrypi.wordpress.com/projects/modelling-a-diode-for-use-in-spice-simulations Running that script with an input file like: ============mcc_4kv_diode_R3000-V-I.dat================== 1.4 009 1.6 025 1.8 060 2 099 2.2 135 2.4 180 2.6 220 2.8 260 3 310 3.2 350 3.4 400 3.6 430 3.8 470 4 500 ============mcc_4kv_diode_R3000-V-I.dat================== where the units are volts and milliamps, gives the parameters: john@toolbench64 [pulser-simul-cultshock]./diode_model_curve_fit.py mcc_4kv_diode_R3000-V-I.dat Fit converged in 217 iterations with the following parameters IS = 1.67253115538e-08 N = 3.98407657291 RS = 4.16606158811 and it draws an I-V curve with your points and an analytic function fitted to them to use as visual sanity check. John Griessen _______________________________________________ Help-gnucap mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-gnucap
