Using Rf Source; Conducting Spectrum Measurements - JDS Uniphase CellAdvisor JD780A Series User Manual

JD780A Series Analyzers
a.
b.
c.
d.
5.
Press the TRIGGER hot key, and then do one of the following:
–
Select External for an external trigger source.
–
Select Video or Display Position for the internal trigger source.
6.
Press the PREV hard key to continue setting the gated sweep.
7.
Set the gate delay by completing the following steps:
a. Press the Gate Delay soft key.
b. Enter a value by using the numeric keys.
c. Select the unit: Sec, mSec, or µSec.
8.
Set the gate length by completing the following steps:
a. Press the Gate Length soft key.
b. Enter a value by using the numeric keys.
c. Select the unit: Sec, mSec, or µSec.
9.
Press the PREV hard key to enable gated sweeping.
10.
Toggle the Gated Sweep soft key and select On.
NOTE
This setting is not used in the in the Spurious Emissions mode, the Field Strength mode,
and the Route Map mode.

Using RF source

You can turn the RF Source feature on to provide different power levels as like using a CW signal
generator.
Procedure
1.
Press the MEASURE SETUP hot key.
2.
Press the RF Source soft key.
3.
Press the Frequency soft key to set the frequency of the CW signal to be injected.
4.
Enter a value, and then select the unit: GHz, MHz, kHz, or Hz.
5.
Press the Power Level soft key to set the output level of the CW signal to be injected.
6.
Enter a value, and then select the dBm soft key.
7.
Toggle the RF Source soft key and select On.

Conducting spectrum measurements

If you have configured test parameters as described in the "Configuring test parameters" on page 59,
your measurement is displayed on the screen as like the following example, Figure 10.
66
Toggle the Period soft key and select Manual.
Press the Period soft key to enter the amount of time.
Enter a value by using the numeric keys.
Select the unit: Sec, mSec, or µSec.
Using Spectrum Analyzer