Tektronix TekRanger 2 TFS3031, Руководство по обслуживанию

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Specifications – TekRanger (serial nos. below B052000)
1–22
TFS3031 TekRanger/TekRanger 2 Service Manual
1.1.1ąVertical System Measurements (1300 nm Multimode, Option 03)
Characteristic Performance Requirement Supplemental Information
Linearity 3Ćminute average.
±0.02 dB/dB typical
From 12 dB above RMS floor to 1.5
dB below maximum signal level.
Measurement Accuracy
TwoĆPoint
Splice Loss
LSA Fiber Loss
Reflectance
3Ćminute average, ±0.1 dB/dB for
events 10 dB above 98% noise
floor, 95% confidence.
± 4 dB maximum error below -40
dB. 10 m to 1 m pulse width.
Reflections may clip above -40
dB.
1.1.2ąMeasurement Range (1300 nm Multimode, Option 03)
Characteristic Performance Requirement Supplemental Information
Loss Threshold (dB)
0.1
0.5
1
Measurement Range (dB)
typical
16
18
20
IntelliTrace mode averaging and
analysis less than 3 minutes plus
15 seconds per event.
1.1.3ąSingleĆEvent Distance Measurement Repeatability
1
(1300 nm Multimode, Option
03)
Characteristic Performance Requirement
Supplemental
Information
Range from Front
Panel (dB)
0 to 10
> 10
Reflective
2
typical
10 m
20 m
Nonreflective
3
typical
10 m
60 m
IntelliTrace mode
1
Multiply by 0.001% of range for timebase error. These data are for a 0.5 dB event with 95% probability.
2
Reflectance greater than -45 dB, 0.5 dB loss.
3
Reflectance less than -60 dB, 0.5 dB loss.