Tektronix CTS 850, User Manual

Page: 160 / 178

Setting Jitter/Wander Parameters
3–176
CTS850 SDH/PDH Test Set User Manual
Selecting the Jitter Mode
To select the jitter measurement mode:
Press Menu
Button Select Menu
Page Highlight
Parameter
Select Choice
RECEIVE JITTER &
WANDER Jitter Mode Peak-Peak
RMS
H
Select Peak-Peak to make peak-to-peak jitter measurements.
H
Select RMS to make RMS jitter measurements. If you select
RMS, the only available input filter is a 12 kHz high-pass filter.
Selecting the Input Source
To select the input source on which you want to measure jitter:
Press Menu
Button Select Menu
Page Highlight
Parameter
Select Choice
RECEIVE JITTER &
WANDER Jitter Input
Source Line
Clock
H
Select Line to measure jitter in the received line (front-panel
SDH or PDH signal) selected in the RECEIVE SETTINGS page.
H
Select Clock to measure jitter on the rear-panel external jitter
clock input (J/CLK IN). If you select Clock, you must set the
external jitter clock input rate; that rate does not have to be the
same as the Receive Rate selected in the RECEIVE SETTINGS
page.