Performance Characteristics
Table 6-1 (cont)
Characteristics
B-Sweep
Accuracy and At Accuracy
with Cursors on B Sweep
X10 MAG Accuracy
500 ms or 200 ms/div Timing
Accuracy (A Sweep only)
SEC/DIV VAR Timing Accuracy
Timing Accuracy
(-15°C
to +15
C
C
and +35°Cto + 55°C)
At Readout Resolution
2465B
2455B,
2445B
At Range
Sweep Delay Range
Delay Jitter
X10 MAG Registration
Horizontal POSITION Range
Performance Requirements
Add ±0.3% of time interval to A-Sweep
specifications.
Add ±0.5% of time interval to unmagnified
Sweep and At Cursors specifications. Exclude
the first 0.5 division after the sweep starts (the
first 0.5% of the full 100 division sweep).
Add ±
0.5%
of interval to specifications for
A SEC/DIV at 100 ms or faster.
Add 2% of time interval to sweep accuracy
specifications when VAR is out of detent.
Add ±
0.2%
of time interval to all At and delay
specifications. Add ±0.5% of interval to sweep
accuracy specification.
Greater of either 10 ps or 0.025% of full scale.
Greater of either 20 ps or 0.25% of full scale.
±10 times A-SEC/DIV setting with Cursors,
±9.95 times A-SEC/DIV setting with Sweep
Delay.
0 to 9.95 times the A SEC/DIV setting, from
500 ms to 10 ns with 2465B, or 500 ms to
20 ns with the 2455 B and 2445 B. A-Sweep
triggering event is observable on B Sweep with
zero delay setting for A SEC/DIV settings 10 fis
or faster.
Within 0.004% (one part or less in 25,000) of
the maximum available delay, plus 50 ps.
Within 0.5 division from graticule center at
1
ms
SEC/DIV setting (X10 MAG on to X10 MAG
off).
Start of
1
ms per division sweep can be
positioned from right of graticule center to at
least 10 divisions left of graticule center. Some
portion of
1
ms per division sweep is always
visible with X10 MAG off.
2465B/2455B/2445B Operators
6-11
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