Agilent Technologies Agilent 4396B - Manual (Page 95)

3. Press 4 Scale Ref 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ELEC DELAY MENU
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MARKER !DELAY . The analyzer
adds enough electrical length to match the group delay present
at the marker frequency (group delay is discussed in the next
measurement example).
4. Press 4 Displa y 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DUAL CHAN on OFF to
NNNNNNNNNNNNNNNNNNNN
ON off to display the
results before and after the adjustment. The results are shown in
Figure 5-8.
5. T o display the amount of electrical length added, press 4 Scale Ref 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ELEC DELAY MENU
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ELECTRICAL DELAY .
Y ou can also determine the electrical length by pressing 4 Scale Ref 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ELEC DELAY MENU
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ELECTRICAL DELAY . Then turn the rotary knob
until the displayed trace is
at (see Figure 5-8). It may take many
revolutions of the knob before the trace is
at.
Figure 5-8. Electrical Length A djustment
Network Measurement Examples 5-9