Chapter 4
Using Spectrum Analyzer
68
JD700B Series User’s Guide
Figure 17 Indirect connection
JD785B/JD786B/JD745B/JD746B
JD788B/JD748B
CAUTION
The maximum power for the
Spectrum Analyzer RF In
port is +25 dBm (0.316 W) for
JD780B series and +20 dBm (0.1 W) for JD740B series. If the level of the input signal to
be measured is greater than this, use a
High Power Attenuator
to prevent damage
when you directly connect the signal to the instrument or connect the signal from the
coupling port of a directional coupler.
Selecting measurement mode
Procedure
1
Press the
MODE
hard key.
2
Press the
Spectrum Analyzer
soft key. The
Measure Off
mode is selected by default.
3
Press the
MEASURE
hot key, and then select the measurement mode from the following
choices:
Channel Power
Occupied BW
Spectrum Emission Mask
Adjacent Channel Power
Multi-ACP
Spurious Emissions
AM/FM Audio Demod
Field Strength
Route Map
Dual Spectrum
PIM Detection > Single Carrier
and
Multiple Carriers (not supported when 28 GHz
downconverter is connected).
Total Harmonic Distortion (not supported when 28 GHz downconverter is connected).
Configuring test parameters
Setting frequency
You need to set the frequency range to be measured with either the center frequency/span or the start/stop
frequencies. You can also set the frequency with the channel number and span.
Содержание CellAdvisor JD700B Series
Страница 2: ...CellAdvisorTM JD700B Series FW3 120 User s Guide ...
Страница 105: ...Chapter 4 Using Spectrum Analyzer 104 JD700B Series User s Guide Figure 44 PIM detection for multiple carriers ...
Страница 406: ...Chapter 11 Using EV DO Signal Analyzer JD700B Series User s Guide 405 3 Pilot 4 MAC 64 5 MAC 128 ...
Страница 734: ...Chapter 18 Perfroming BBU Emulation JD700B Series User s Guide 733 Figure 441 Example of verification of link status ...
Страница 763: ...Chapter 21 Performing Fiber Inspection 762 JD700B Series User s Guide Figure 461 Fiber inspection report ...
Страница 808: ...Appendix JD700B Series User s Guide 807 JD740B series ...
Страница 811: ...Appendix 810 JD700B Series User s Guide Figure 470 Append keywords window ...