Send a pulse down the line.
Read the hidden story in the reflections.
Pure browser simulation • click to place faults • no data stored
TRANSMISSION LINE
Click to place a discontinuity • Drag to move
Incident wave travels right → Reflections travel left
INPUT SCOPE
Voltage at launch point over time
Time →
Distance to first event: —
VELOCITY FACTOR
0.60.800.95
PULSE WIDTH
Narrow12Wide
LINE LENGTH (units)
600
TERMINATION
Place different fault types to see their unique reflection signatures. The scope shows what a real TDR instrument would display. Velocity factor changes how fast the pulse travels.