Time Marker Specifications - Fluke 5820A Service Manual

1-12. Time Marker Specifications

If you ordered the GHz Option, the following specification table is
superseded by the table with the same heading in Chapter 5.
Time Marker into 50
Wave Shape
Typical Output Level
Typical Jitter (p-p)
Sequence
Adjustment Range
Amplitude Resolution
1-Year Absolute
Uncertainty, tcal 5 C
[3]
[1] Typical rise time of square wave and 20%-pulse (20 % duty cycle pulse) is < 1.5 ns.
[2] With 10 MHz external reference selected, the uncertainty becomes that of the external clock plus 5 Hz.
[3] Time marker uncertainty is
5 s, 2 s, 1 s, 500 ms, 200 ms, 100 ms, 50 ms, 20 ms, 10 ms, 5 ms, 2 ms, 1 ms, 500 s, 200 s, 100 s,
50 s, 20 s, 10 s, 5 s, 2 s, 1 s, 500 ns, 200 ns, 100 ns, 50 ns, 20 ns, 10 ns, 5 ns and 2 ns
Note
Table 1-6. Time Marker Specifications
5 s to 20 ms to
50 ms 100 ns
spike or spike, square,
square or 20%-pulse
> 1 V p-p [1] > 1 V p-p [1]
< 10 ppm < 1 ppm
5-2-1 from 5 s to 2 ns (e.g., 500 ms, 200 ms, 100 ms )
At least 10 % around each sequence value indicated above.
(2.5 ppm 0.33 ppm
+ 5 Hz) [2]
50 ppm when measured off of cardinal points:
Introduction and Specifications
50 ns to
20 ns 10 ns
spike or square or
square sine
> 1 V p-p [1] >1 V p-p [1]
< 1 ppm < 1 ppm
4 digits
0.33 ppm 0.33 ppm
General Specifications
5 ns to 2
ns
sine
> 1 V p-p
< 1 ppm
0.33 ppm
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