eldo_user

Examples
Example 18—Numerical Integration: TRAP versus GEAR
18 |------- 8.11% 84.59% EM(XM12.M1,U0)
6 |------- 7.21% 91.80% EM(XM17.M1,U0)
17 |---- 4.52% 96.32% EM(XM12.M1,VTH0)
27 |--- 3.92% 100.24% EM(XM11.M1,U0)
4 |-- 2.43% 102.67% EM(XM17.M1,TOX)
10 |-- 2.41% 105.08% EM(XM13.M1,TOX)
15 |- 1.50% 106.58% EM(XM14.M1,U0)
26 |- 1.46% 108.04% EM(XM11.M1,VTH0)
1 |- 1.42% 109.46% EM(XM16.M1,TOX)
Simulation Results
Figure 21-28. Example 17—Simulation Results
Example 18—Numerical Integration: TRAP
versus GEAR
Netlist file: trap_vs_gear.cir
This example compares the TRAP method with the GEAR method. The default TRAP method
sometimes causes “numerical ringing” (non-physical oscillations) centered on the correct
1314
Eldo® User's Manual, 15.3