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ADJUSTMENTS
ADJUSTMENTS
MODEL
8559A
5
-
20.
1-dB
OFFSET
ADJUSTMENT
REFERENCE:
A
15
Schematic
DESCRIPTION:
Reference is set in 10
dB/DIV amplitude scale and 1 dB offset is adjusted in
1
dB/DIV for the same full display
reference.
Dl SPLAY
SPECTRUM
ANALYZER
EXTENDER
CABLE
ASSEMBLY
0.0
o...
l
NPUT
OUTPUT
ADAPTER
FIGURE
5-4.
1
-
dB
OFFSET ADJUSTMENTTEST SETUP
EQUIPMENT:
.........................................
Adapter, Type N (m) to BNC
(f)
HP 1250
-
0780
..............................................
Extender Cable Assembly HP 5060
-
0303
......................................................
BNCCable,PInch HP10502A
PROCEDURE:
1.
Set spectrum analyzer controls as follows:
FREQUENCYBANDGHz
..................................................
.01-3
TUNING
...............................................................
>60MHz
..........................................................
FREQ SPAN/DIV 1 MHz
...............................................
RESOLUTION BW 1 MHz, uncoupled
INPUTATTEN
.............................................................
10dB
.......................................................
REFERENCE LEVEL 0 dBm
REFLEVELFINE
..............................................................
0
Amplitudescale
..............................................................
LIN
SWEEPTIME/DIV
........................................................
AUTO
.....................................................
SWEEP TRIGGER FREE RUN
ALTIF
.....................................................................
OFF
.................................................................
SIC IDENT OFF
BLCLIP
....................................................................
OFF
VIDEOFILTER
.............................................................
OFF