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Three timing units were made: the [[5T1]], [[5T1A]], and the [[5T3]]. | Three timing units were made: the [[5T1]], [[5T1A]], and the [[5T3]]. | ||
The timing units use [[tunnel diodes|tunnel diode]] triggering. | The timing units use [[tunnel diodes|tunnel diode]] triggering. | ||
Two coaxial cables in the scope connect the sampling unit to the timing unit. | Two 50-ohm coaxial cables in the scope connect the sampling unit to the timing unit. | ||
One cable sends the trigger pickoff signal (if available) from the sampling unit to the timing unit. | One cable sends the trigger pickoff signal (if available) from the sampling unit to the timing unit. | ||
The other cable sends the timing signal from the timing unit to the sampling unit, telling it when to sample. | The other cable sends the timing signal from the timing unit to the sampling unit, telling it when to sample. | ||