Agilent Technologies Agilent 4396B User 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