Performance
Characteristics
Table 6-1 (cont)
2465A/2455A/2445A
Electrical Characteristics
Characteristics
AUTO LVL Mode Trigger
Acquisition Time
Trigger
Holdoff
Minimum
Variable
SLOPE Selection
Performance Requirements
Eight
to
100 times the AUTO L
VL
Mode
maximum triggering
signal period, depending on
the triggering
signal period and waveform.
The greater
of
the A-SEC/DIV setting value
or
2 /lS, within
+33%
to
-10%,
except 1
/lS
at
5 ns/div.
Increases trigger holdoff time
to
10
to
25 times
the minimum
holdoff.
Conforms
to
trigger-source waveform
or
ac
power-source waveform.
HORIZONTAL DEFLECTION SYSTEM
A Sweep Time 8ase Range
2465A
500 ms/div
to
5 ns/div
in
a 1-2-5 sequence
of
25 steps. X10 MAG extends maximum sweep
rate
to
500 ps/div.
2455A and 2445A
500 ms/div
to
10 ns/div
in
a 1-2-5 sequence
of
24 steps. X10 MAG extends maximum sweep
rate
to
1 ns/div.
8
Sweep Time 8ase Range
2465A
50 ms/div
to
5 ns/div
in
a 1-2-5 sequence
of
22
steps.
X10 MAG extends maximum sweep rate
to
500 ps/div.
2455A and 2445A
50 ms/div
to
10 ns/div
in
a 1-2-5 sequence
of
21
steps. X10 MAG extends maximum sweep
rate
to
1 ns/div.
Timing Accuracy
+15°C
to
+35°C,
A-Sweep, with SEC/DIV at
100 ms/div
or
faster.
Sweep Accuracy Unmagnified
±(0.7%
of
time interval + 0.6%
of
full scale).
~t
Accuracy With Cursors,
±
(0.5%
of
time interval + 0.3%
of
full scale).
Unmagnified
~t
Accuracy with Sweep Delay
±(0.3%
of
time interval + 0.1%
of
full scale).
Delay
Accuracy, A Sweep ± (0.3%
of
delay setting + 0.6%
of
full scale)
Trigger
to
Start
of
8 Sweep
+0
to
-25
ns.
8-Sweep Accuracy and
~t
Accuracy
Add
±0.3%
of
time interval
to
A-Sweep
with Cursors on 8 Sweep specifications.
6-10 2465A12455A12445A Operators
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