Racal Instruments 2461 User Manual page 167

Period 1 or Period 2(Period Average)
Range
Channel 1 5ns to 1.7 x 10
Channel 2 10ns to 1.7 x 10
LSD Displayed
-D
LSD = P x 10
Where:
Resolution
3 to 5 Digits:
.
14 x TriggerError x Period
= ± ±
Resolution LSD
6 to 10 Digits:
( )
= ± ±
Resolution 2 x LSD
Accuracy
± Resolution ± Timebase Error × Period
A-8
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3
s
3
s
D = Number of digits selected
P = Period rounded up to next decade
GateTime
.
14 x TriggerError x Period
GateTime
User Manual 2461 Type C
(subject to Notes (i) and (ii))
( subject to Notes (i) & (ii))