Agilent Technologies N9010A, Manual

Page: 92 / 107

92 Chapter 12
Monitor Spectrum Measurements
Measurement Procedure
Measurement Procedure
Step 1. Press
Mode
,
TD-SCDMA with HSPA/8PSK
to enable the TD-SCDMA 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
,
Monitor Spectrum
to initiate the Monitor Spectrum 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 Monitor Spectrum measurement.
Step 7. Press
FREQ Channel
,
2
,
GHz
to set the center frequency to 2 GHz.
Step 8. Press SPAN X Scale , enter a numerical span using the front-panel keypad, and
select a units key, such as
MHz
.
NOTE
A display with a Spectrum window appears when you activate a Spectrum
measurement. Changes to the
FREQ , Span , or AMPTD settings will affect only the
active window.
Step 9. Press
Meas Setup
to check the keys available to change the measurement
parameters from the default condition.
Step 10. Press
Trace/Detector, Select Trace
and select the trace(s) desired for display, then
toggle Display to Show .
For more details 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 ” .