View source for File:TimeSeriesPD0.5PedestalNoReboot2.png

Pulse Driver stability test (HP8112A): 

Pulse Width: 20ns 
Delay: 150ns 
Amplitude: -0.5V 
Rate: 201

The pulse driver has NOT been rebooted between measurements of ~10k events (the voltage has been dropped to zero after the first 10k events and keep it to zero voltage for the next 5k events) the intervals between measurements is ~1h. The first measurement (black) was done in the next few minutes of turning on the pulse driver, then after ~14h the second measurement was done (red), after ~1h the third measurement was done (green line).