| Lossless Transmission Lines Instance Parameters |
| Parameter | Description |
| z0 | Characteristic impedance |
| zo | Characteristic impedance |
| f | Frequency |
| td | Transmission delay |
| nl | Normalized length at frequency given |
| v1 | Initial voltage at end 1 |
| v2 | Initial voltage at end 2 |
| i1 | Initial current at end 1 |
| i2 | Initial current at end 2 |