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Hardware Timing Connections and Tolerances for Model 3

The hardware triggers are a 3V 10-microsecond TTL active-high signal sent via BNC cables from the pulse generator to the other devices.

Connections

BNC Connection A BNC Connection B Description
Pulse Generator CH1 Unused
Pulse Generator CH2 Laser Driver Trigger input for Laser Driver
Pulse Generator CH3 Electron Detector Trigger input for Electron detector
Pulse Generator CH4 Proton Detector Trigger input for Proton detector

Timing Tolerances

Pulse generator: +/- 5 us or so accuracy, sub-microsecond stability Laser trigger to laser activation: 26 microseconds delay, +/- 2 microsecond stability