speed
in free
space.
This velocity
depends
on
the
relative
permittivity
of the
cable
dielectric
(
r
)
as
Vel
ocityF
actor
=
1
p
"
r
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
VIEW
MEASURE
toggles
to become
view setup
when
the
analyzer
is
in
frequency
oset
mode
.
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
VOLUME
NUMBER
species
the
number
of
the
disk
volume
to
be
accessed.
In
general,
all
3.5
inch
oppy
disks
are
considered
one
volume
(volume
0).
F
or
hard
disk
drives
,
such
as
the
HP
9153A
(Winchester),
a
switch
in
the
disk
drive
must
be
set
to
dene
the
number
of
volumes
on
the
disk.
F
or
more
information,
refer
to
the
manual
for
the
individual
hard
disk
drive
.
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
WAIT
x
pauses
the
execution
of
subsequent
sequence
commands
for
x
number
of
seconds
.
T
erminate
this
command
with
4
x1
5
.
Entering
a
0
in
wait
x
causes
the
instrument
to
wait
for
prior
sequence
command
activities
to
nish
before
allowing
the
next
command
to
begin.
The
wait
0
command
only
aects
the
command
immediately
following
it,
and
does
not
aect
commands
later
in
the
sequence
.
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
WARNING
selects
the
warning
annotation
for
color
modication.
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
WARNING
[
]
brings
up
the color
denition menu.
The
warning
annotation
default
color
is
black.
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
WAVEGUIDE
denes
the
standard
(and
the oset)
as
rectangular
waveguide
.
This
causes
the
analyzer
to
assume a
dispersive
delay
(see
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
OFFSET
DELAY
above).
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
WAVEGUIDE
DELAY
applies a
non-linear phase
shift
for
use
with
electrical
delay
which follows
the standard
dispersive
phase
equation
for
rectangular waveguide
. When
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
WAVEGUIDE DELAY
is pressed,
the
active function
becomes
the
W
A
VEGUIDE
CUTOFF
frequency
,
which
is
used
in
the
phase
equation.
Choosing
a
Start
frequency
less
than
the
Cuto
frequency
results
in
phase
errors
.
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
WIDTH
VALUE
is
used
to
set
the
amplitude
parameter
(for
example
3
dB) that
denes
the
start
and
stop
points
for
a
bandwidth
search.
The
bandwidth search feature
analyzes a bandpass or band reject
trace and calculates
the center point, bandwidth, and Q (quality
factor) for the specied
bandwidth. Bandwidth units are the
units of the current format.
NNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNN
WIDTHS on OFF
turns on the
bandwidth search feature and calculates the
center stimulus value
, bandwidth, and Q of a bandpass or band
reject shape on the trace
. The amplitude value that denes the
passband or rejectband is set using the
NNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNN
WIDTH VALUE
softkey.
Four markers are turned on, and each has a dedicated use.
Marker 1 is a starting point from which the search is begun.
Marker 2 goes to the bandwidth center point. Marker 3 goes to
the bandwidth cuto point on the left, and Marker 4 to the
cuto point on the right.
9-46 Key Denitions
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