54 Chapter 7
Occupied Bandwidth Measurements
Measurement Procedure
Measurement Procedure
Step 1. Press Mode, TD-SCDMA with HSPA/8PSK to enable the TD-SCDMA with
HSPA/8PSK mode measurements.
Step 2. Press
Mode Preset to preset the analyzer.
Step 3. Press
Input/Output, External Gain, BTS and enter the number and −dB
according to the external attenuator connected to the analyzer.
Step 4. Press
Mode Setup, Radio, Device to toggle the device to BTS.
Step 5. Press
Meas, Occupied BW to initiate the occupied bandwidth
measurement.
Step 6. Press
Sweep/Control, Gate and toggle the Gate to On. Press More, Gate
Source
and select the desired gate source External 1.
If no measurement is performed and only a symbol of yellow ‘*’ displays
on the top right of the screen, you need to check the gate settings. You
need the correct gate signal to make the OBW measurement.
Step 7. Press
FREQ Channel, 2, GHz to set the center frequency to 2 GHz.
Step 8. Press
Meas Setup to check the keys available to change the measurement
parameters from the default condition.
To make an averaged measurement, press
Avg/Hold Num to toggle the
state to
On and enter the number of averages.
For more information about changing measurement parameters, see
N9079A TD-SCDMA with HSPA/8PSK User’s and Programmer’s
Reference.
If you have a problem, and get an error message, see the “Instrument
Messages Guide”.
To Next Page
Loading...
Need help?
General
