Tektronix TekRanger 2 TFS3031, Service Manual

Page: 90 / 272

Specifications – TekRanger 2 (serial nos. B052000 and above)
TFS3031 TekRanger/TekRanger 2 Service Manual
1–67
Table 1–76: Vertical System Measurements (1300 nm Multimode, Option 03)
Characteristic Performance Requirement Supplemental Information
Linearity ±0.02 dB/dB typical 3Ćminute average
From 12 dB above RMS floor to 1.5
dB below maximum signal level.
Measurement Repeatability
TwoĆPoint
Splice Loss
LSA Fiber Loss
±0.1 dB/dB typical 3Ćminute average
For events 10 dB above 98% noise
floor, 95% confidence.
Reflectance ±2 dB typical NonĆclipped reflection.
Table 1–77: Measurement Range (1300 nm Multimode, Option 03)
Characteristic Performance Requirement Supplemental Information
Loss Threshold (dB)
0.5
Typical 22dB
IntelliTrace mode averaging and
analysis less than 3 minutes plus
15 seconds per event.
Measurement range determined as
a result of dynamic range test
results, and not directly checked in
the performance verification
procedure.
Fiber must have enough loss and
length for last segment to be taken
with 100Ćm pulse width and high
system gain.
Table 1–78: Single-Event 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.