Taking Measurements
3- 96
YBT250 Field Transmitter & Interference Tester User Manual
TD-SCDMA Occupied Bandwidth Measurements (Option TR1)
The TD-SCDMA Occupied Bandwidth measurement displays the
Occupied Bandwidth of individual timeslots. Use the
Timeslot
drop-down list to select the timeslot to measure.
The Forward and Reverse link buttons are not availabe when taking
TD-SCDMA measurements. Also, the waveform plot horizontal
range controls are not available when taking TD-SCDMA measure-
ments.
Measuring cdmaOne and cdma2000 Signal Quality
Requires option CD1 or CD2
For cdmaOne and cdma2000 signal quality, the measurements
performed are: Waveform Quality (Rho), Error Vector Magnitude,
Pilot time Alignment, PN Offset and Carrier Feedthrough.
To measure signal quality:
1.
Select the appropriate CDMA Signal Standard.
2.
If available, connect the BTS Even Second Clock to the TIMING
INPUT connector on the YBT250. Alternatively, you can use the
Tektronix YBGPS1 GPS Timing Reference to provide a CDMA
measurement timing reference. See
GPS Overview
on page 2--51
for more information.
3.
Tap the
Measurement
button.
4.
Tap
Select Measurement...
.
5.
Tap
Signal Quality
. See Figure 3--47.
Summary of Contents for NetTek YBT250
Page 4: ......
Page 12: ...Table of Contents viii YBT250 Field Transmitter Interference Tester User Manual...
Page 19: ...Getting Started...
Page 20: ......
Page 39: ...Operating Basics...
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Page 60: ...Operating Basics 2 20 YBT250 Field Transmitter Interference Tester User Manual...
Page 72: ...Connecting a Signal 2 32 YBT250 Field Transmitter Interference Tester User Manual...
Page 90: ...Changing Instrument Settings 2 50 YBT250 Field Transmitter Interference Tester User Manual...
Page 101: ...Reference...
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Page 136: ...Displaying a Signal Spectrum 3 34 YBT250 Field Transmitter Interference Tester User Manual...
Page 170: ...Locating Interference 3 68 YBT250 Field Transmitter Interference Tester User Manual...
Page 259: ...Appendices...
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Page 290: ...Appendix B Accessories B 4 YBT250 Field Transmitter Interference Tester User Manual...
Page 315: ...Glossary...
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Page 322: ...Glossary Glossary 6 YBT250 Field Transmitter Interference Tester User Manual...
Page 323: ...Index...
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