Specification-2445A/2455A Service
Characteristics
Ranges
Minimum Period
Automatic Ranging
Accuracy
Resolution
Display Update Rate
Maximum Count
Display Update Rate
Table 1-2 (cont)
Performance Requirements
PERIOD
RANGE
LSD•
10 ns 1 fs
100 ns 10
fs
1 µs 100 fs
10
µs
1 ps
100
µS
10
ps
1 ms
100 ps
10 ms
1 ns
100 ms
10
ns
1 s
100 ns
2s
1 µS
...;;6.7
ns.
Upranges at 100%
of
full scale; downranges at 9%
of
full scale.
Full scale corresponds
to
the value given in the Range column. The
maximum displayed value for any range is the Range value minus
the LSD value.
± [Resolution + (TBE x Period)].
± [LSD + (1.4 X T,IE)/N].
Twice per second
or
twice the period
of
the input signal, whichever
is slower.
TOTALIZE
9999999.
Twice per second
or
once per event, whichever is slower.
DELAY
BY
EVENTS
Maximum Event Count 4194303.
Minimum Time from Start Signal
to
Any Delay Event 4 ns.
LOGIC TRIGGER
Minimum Function-True Time 4 ns.
Minimum Function-False Time 4 ns.
•Perfonnance
requirement
not
checked
In
manual.
1-12
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