Agilent Technologies Agilent 4396B - Manual (Page 91)

Ripple or Flatness P assband ripple (or
atness) is the variation in insertion loss over a
specied portion of the passband.
1. Press 4 Displa y 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DUAL CHAN on OFF to
NNNNNNNNNNNNNNNNNNNN
ON off to display channel 2
below channel 1.
2. Press 4 Sw eep 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
COUPLED CH ON off to
NNNNNNNNNNNNNNNNNNNN
on OFF .
3.
Press 4 Search 5
NNNNNNNNNNN
MAX .
4.
Press 4 Ma rk er ! 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CROSS CHAN on OFF to
NNNNNNNNNNNNNNNNNNNN
ON off .
5.
Press
NNNNNNNNNNNNNN
MORE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ZOOMING APERTURE 20 4 21 5
NNNNNNNNNNNNNNNNNNNN
RETURN
NNNNNNNNNNNNNNNNNNNNNNNNNN
MKR ZOOM .
6.
Press 4 Chan 2 5 4 Sea rch 5
NNNNNNNNNNN
MAX . Then press 4 Scale Ref 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MKR ! REFERENCE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SCALE/DEV 0.5 4 2 5 to magnify the trace to resolve the ripple .
7.
Press 4 Search 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SEARCH:PEAK . Then press 4 Ma rk er 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE MENU
NNNNNNNNNNNNNN
1MKR .
8.
Press 4 Search 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SEARCH:PEAK
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PEAK DEF MENU
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PEAK PLRTY POS neg to
NNNNNNNNNNNNNNNNNNNNNNN
pos NEG
NNNNNNNNNNNNNNNNNNNN
RETURN . Then press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SEARCH:PEAK . The passband ripple is automatically given as the
peak-to-peak variation between the markers . The ripple value is
displayed at the upper right of the display .
Figure 5-4. Using P eak Search to Determine Ripple
Press 4 Chan 1 5 4 Ma rk er 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PRESET MKRS , and 4 Chan 2 5 4 Ma rk er 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PRESET MKRS
when you are nished with this measurement.
Network Measurement Examples 5-5