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4.
Reconnect your test device.
5. To better view the measurement trace, press:
.....
.... .:
““:.:
......
.::.::
.......
::
... ..::
I-,
@g@$f
Scale Ref
:
!<
..
:
.;
... ;::
/,,,,, i
.........
..
...
1
:$?&%
:
Creating Flat Limit Lines
In this example procedure, the following flat Iimit Iine values are set:
Frequency Range
.................................................................
Power Range
127 MHz to 140 MHz
..........................................................
-27
dF3
to -21
dB
100 MHz to 123 MHz
.........................................................
-200
dB
to -65
dII
146 MHz to 160 MHz
.........................................................
-200
dE3
to -65
dB
Note
The minimum value for measured data is -200
dR.
1.
2.
3.
To access the Iimits menu and activate the Iimit
lines,
press:
“:.~:.:...:........~..
. .
,:,::,:
,:;;
.“.<
‘.“....:.~.~,..))
..:.:.:...:
(,:,,,,,.
.,:,;
<<<.y <<:. :<<:.
/
I
;
..,.,.,..,..,.,.,.,.,
,.
.,.
.,.
_
,.,...,.,.,.,.....,
*
,.
/
. .
.,...,.
......,:I.,..
_
,.
,.
. . .
csystem_)
~~~~~~~~:~;~~
~~~~~~~~:~~~~~
,EIJJ;~~,:~~~~~,~~~~~~~~~’
~~~~~~~~~~~
!gg$j
. . . .
_
. . . . . . . .
ii
.:........,.,..
.;,,.;;>z:
. . . . .
/
.::::..:
.:::
&
.::
.::...//.........
.;.: . . . . .
.>.>
. . . . . . . . . . >a;; . . . . . . ,..,.
,.........,,,..........,........
,.
,,,,,................
. . . .
. . . . . . . . . . . . . . . . . .
L/
. . . . . . ..A.. . . . . . . . . . . . . . . . .
:::;:...i
i.
;.....~.::...iii.i;::.::
.::::.::........................ .~.~.~.~_;
i.z
To create a new Iimit
line,
press:
g&
:...
. . . . . . . . . .
The analyzer generates a new segment that appears on the center of the display.
To specify the
limit’s
stimuhis
value, test
limits
(upper and lower), and the Iimit type, press:
:~~~~~~~~~~~~~~~
pJ
@JJ
:.:,..l.~...l,~~;;:~~;~:.::e
.,.,.
z,;;,.;;;
. . . . . .
;;zc.i
::
;;.
,,,,,........,.......
:.
.
.
.._
::.;..,.
>;,.;
_
..:
../.............
~~~~~~~~
1--21_)
Ixl)
~~~~~~~
@-j
@
~.~~~-“-‘:::::~:=::::~~~~”
., :.
:
Note
you
codd
alsO
set
the
upper
md
lower
limits
by
using
the
~~~~~~~~~
md
:.: . . . .
<.A;..;:
..,.....:
. . . . . . . . . . .
.A......
.A...z.A..i
......
. . . . . . . . . . . . . . . . . .
U.?..
T....
,.,,...,,...,,...
..,.,.,.,.,.,.i
_,.
~~~~~~~~~~
keys.
m
use
these
keys
for
the
entry,
press:
i
""""""""""
1--24_)
@
;:
.
. . .
.
We.,/,,..,,,,,..,,,,................~..............
.::
_.....
. . . . . . . . . . . .
::.:...:.:...
::::::::::::::::::::::::::::::::::::::::
@
Lxl]
:
:.::::::::;..:::I:::.:.:.::..::::.,...........
,
:..,
ii
. . . .
..A
.
..u
. . . . . . . . .
.:a
This would correspond to a test specification of -24
f3
dEX
Making Measurements 247