Symbol Name: LTLIN
Syntax: Oxxx L+ L- R+ R- <model>
Example:
O1 in 0 out 0 MyLossyTline
.model MyLossyTline LTRA(len=1 R=10 L=1u C=10n)
This is a single-conductor lossy transmission line. N1 and N2 are the nodes at port 1. N3 and N4 are the nodes at port 2. A model card is required to define the electrical characteristics of this circuit element.
Model parameters for Lossy Transmission Lines
|
Name |
Description |
Units/Type |
Default |
|
R |
|
W/unit len |
0. |
|
L |
|
H/unit len |
0. |
|
G |
|
1/W/unit len |
0. |
|
C |
|
F/unit len |
0. |
|
Len |
Number of Unit Lengths |
- |
0. |
|
Rel |
Relative rate of change of derivative to set a breakpoint |
|
1. |
|
Abs |
Absolute rate of change of derivative to set a breakpoint |
|
1. |
|
NoStepLimit |
Don't limit time- step to less than line delay |
(flag) |
not set |
|
NoControl |
Don't attempt complex time-step control |
(flag) |
not set |
|
LinInterp |
Use linear interpolation |
(flag) |
not set |
|
MixedInterp |
Use linear interpolation when quadratic seems to fail |
(flag) |
not set |
|
CompactRel |
Reltol for history compaction |
|
RELTOL |
|
CompactAbs |
Abstol for history compaction |
|
ABSTOL |
|
TruncNr |
Use Newton-Raphson method for time-step control |
(flag) |
not set |
|
TruncDontCut |
Don't limit time-step to keep impulse-response errors low |
(flag) |
not set |