Reflections from terminations for Transmission Line Laboratory (last revised March 1, 2003)

times in s, resistance in ohms, capacitance in farads, inductance in henries, signal in volts

impedance of cable

incident pulse height

incident pulse width

total down and back time is 300 ns, cable delay is 150 ns

cable delay

initial pulse

F is Heaviside step function. Incident pulse has leading and trailing edges.

graphing parameters

define nanoseconds

Plot incident pulse

pure capacitance as termination

capacitance

time constant

pure inductance as termination

pure resistance as termination

pure resistance, R > Zc

pure resistance, R < Zc

series RC

series RC, R > Zc

series RC, R = Zc

series RC, R < Zc

parallel RC

parallel RC, R > Zc

parallel RC, R = Zc

parallel RC, R < Zc

series RL

series RL, R > Zc

series RL, R = Zc

series RL, R < Zc

parallel RL

parallel RL, R > Zc

parallel RL, R = Zc

parallel RL, R < Zc