Viavi CellAdvisor 5G, User Manual

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CellAdvisor 5G User's Guide
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Sweep Speed
Fast/Normal
Tap the sweep speed to Fast to speed up sweeping. You can set it to Fast when the RBW range is
from 1 Hz to 30 kHz. You can set it to Normal when the RBW range is from 1 kHz to 3 MHz.
Menu > Sweep > Sweep Mode Fast/Normal
Zero Span Time
Enabled when you select Zero Span . Adjusts sweep time to allow enough time for a cycle.
Menu > Sweep > Zero Span Time
Period Time
Enabled when you select Zero Span . Tap to set Period Time using the on-screen keyboard.
Menu > Sweep > Period Time
Period Type
Manual/Standard
Enabled when you select Zero Span . Tap to switch Period Type to Manual or Standard .
Menu > Sweep > Period Type Manual/Standard
Standard Signal
Enabled when you select Zero Span . Tap to select Standard Signal from: GSM , WCDMA , LTE , EV-
DO , TD-SCDMA , or WiMAX .
Menu > Sweep > Standard Signal
Setting trigger
Trigger
If you have to perform measurements according to certain signal conditions, you can use a trigger. A trigger responds to certain
events. When using a trigger source other than Free, the CellAdvisor 5G starts to sweep only with the selected trigger conditions are
met. The trigger can be generated either externally or internally.
Access : on the Quick access and display tab or Menu > Trigger .
The following is the definition of each key function:
Parameter/Definition
Trigger
▪
Trigger - Free
Select Free to start a new sweep right after the current sweep ends. This is the default state of the CellAdvisor 5G.
Menu > Trigger > Free
▪
Trigger - Internal
Select Internal to start a sweep using the internal reference clock and creating a trigger.
Menu > Trigger > Internal
▪
Trigger - External
Select External to start a sweep based on the external input trigger.
Menu > Trigger > External
▪
Trigger - GPS
If you use a GPS receiver while performing measurements on a base station, you can synchronize the sweep via the GPS
receiver.
Menu > Trigger > GPS
▪
Trigger - Video
A sweep starts when the video voltage exceeds a particular level. The video trigger is available only in the time domain (when it