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MODEL
8559A
PERFORMANCE TESTS
PERFORMANCE TESTS
4-1
5.
RESOLUTION BANDWIDTH ACCURACY (Cont'd)
PROCEDURE:
Part of this test must be performed with power supplied to the instrument
and with protective covers removed. The test should be performed only by
sewice
-
trained personnel who are aware of the hazards involved.
1.
Set equipment controls as follows:
Spectrum Analyzer:
FREQUENCYBANDGHz
..................................................
.01-3
TUNING
..............................................................
0.035GHz
...............................................................
FREQSPAN/DIV 0
.........................................................
RESOLUTIONBW 3MHz
INPUTATTEN
.............................................................
10dB
.......................................................
REFERENCELEVEL OdBm
REFLEVELFINE
..............................................................
0
..............................................................
Amplitude Scale LIN
SWEEPTIME/DIV
........................................................
AUTO
.....................................................
SWEEPTRIGGER FREERUN
ALTIF
.....................................................................
OFF
.................................................................
SIG IDENT OFF
....................................................................
BLCLIP OFF
VIDEOFILTER
.............................................................
OFF
Signal Generator:
COUNTERMODE
..............................................
INT,EXPANDXlO
AM
........................................................................
OFF
FM
........................................................................
OFF
FREQUENCYTUNE
......................................................
35MHz
RF
..........................................................................
ON
OUTPUTLEVEL
..........................................................
OdBm
2.
Connect equipment as shown in Figure
4
-
9.
3.
Adjust spectrum analyzer TUNING control to locate peak of 35
-
MHz signal on CRT. Reduce signal
generator output if necessary.
NOTE
If necessary, select
10
dBlDlV to locate signal, then switch to LIN.
4.
Adjust signal generator OUTPUT LEVEL to position trace at 7.1 divisions above graticule baseline.