Tektronix TekRanger 2 TFS3031, Service Manual

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Specifications – TekRanger (serial nos. below B052000)
1–18
TFS3031 TekRanger/TekRanger 2 Service Manual
Table 1–5: Vertical System Measurements (850 nm Multimode, Options 01 and 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.
Table 1–6: Measurement Range (850 nm Multimode, Options 01 and 03)
Characteristic Performance Requirement Supplemental Information
Loss Threshold (dB)
0.1
0.5
1
Typical: 25 dB
IntelliTrace mode averaging and
analysis less than 3 minutes plus
15 seconds per event.
Table 1–7: Single-Event Distance Measurement Repeatability
1
(850 nm Multimode, Options 01 and 03)
Characteristic Performance Requirement
Supplemental
Information
Range from Front
Panel (dB)
0 to 10
> 10
Reflective
2
typical
2.5 m
5 m
Nonreflective
3
typical
2.5 m
15 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.