HP 8753D - Page 237

Label
the Classes
Note
T
o enter
the following
label titles
,an
external keyboard
may be
used
for
convenience
.
13.
Press
N
N
N
N
N
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
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N
N
N
N
NN
LABELCLASS
N
N
N
N
N
NN
NN
NN
NN
N
MORE
N
N
N
N
N
NN
NN
NN
NN
N
MORE
.
14.
Change the
label of
the \TRL
REFLECT"
class
to
\TRLSHORT
."
15.
Change the
label
of
the
\TRL
LINE
OR
MA
TCH"
class
to
\TRLLINE."
16.
Change the
label
of
the
\TRL
THRU"
class
to
\TRL
THRU
."
17.
Press
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
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N
NN
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NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
LABEL CLASS
DONE .
Label
the
Calibration
Kit
18.
Press
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
LABELKIT
and
create
a
label up
to 8
characters long.
For
this
example
,
enter
\TRL
KIT1"
N
N
N
NN
NN
NN
NN
N
N
N
DONE
.
19.
T
o
save the
newly
dened
kit
into
nonvolatile
memory
,
press:
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
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N
N
N
N
N
N
N
N
N
N
N
N
KIT
DONE
(MODIFIED)
N
N
N
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N
SAVE
USER
KIT
Modifying
TRM
Standards
In
order
to
use
the
TRL technique
, the
calibration
standards
characteristics
must
be
entered
into
the
analyzer's
user
dened
calibration
kit.
This
example
procedure
shows
you
how
to
dene
a calibration
kit
to
utilize
a
set
of
TRM
(THRU
,
REFLECT
,
MA
TCH)
standards
.
This example
TRM
kit
contains
the
following:
zero
length THRU
\ush"
short for
the REFLECT
standard
(0
second
oset)
50
ohm termination
for the
MA
TCH
(innite
length
line)
Note
Hewlett-P
ackard
strongly
recommends
that
you
read
product
note 8510-8A
before
you
attempt
to
modify
the
standard
denitions
.
The
part number
of this
product
note
is 5091-3645E.
Although the
product note
was
written
for
the
HP
8510
family of
network analyzers
,it
also applies
to
the
HP
8753D
.
F
or
a discussion
on TRL
calibration, refer
to \TRL/LRM
Calibration"
in
Chapter 6,
\Application and
Operation Concepts
."
Modify the Standard Denitions
1. Press the following keys to start modifying the standard denitions:
4
PRESET
5
4
CAL
5
N
NNNNNNNNNNNNNNNNNN
NNNN
CAL KIT
NNNNNNNNNNNNNNNNNN
NN
MODIFY
NNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNN
DEFINE STANDARD
2. T
o select a short, press
4
1
54
x1
5 . (In this example the REFLECT standard is a SHORT
.)
3. Press the following keys:
N
NNNNNNNNNNNNNNNN
SHORT
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SPECIFY OFFSET
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
OFFSET DELAY
4
0
54
x1
5
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
STD OFFSET DONE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
STD DONE (DEFINED)
5-30 Optimizing Measurement Results