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7. Input Attenuator Switching Uncertainty
Test
6. Press MARKER
CPEAK
SEARCH),(KJ
7. Set
[~~J’JREFERENCE
LEVEL], and frequency synthesizer
amplitude according to
Table
2-l
1. At each setting, press MARKER
(PEAK SEARCH) and record the deviation from the 10
dB
setting from
the MARKER A amplitude readout (see Figure 2-10). The deviation
should not exceed
*l.O
dB
at any setting.
HKR
A
0
Hz
~Sl”‘i
-40.
i
dBm
l
ATTi”
20
,dB
,
r’
IB
i
, , ,
CENTER
28.0000
MHz
SPAN
100.
0
ktiz
RES
BY
30
kHz
VBW
100 Hz SVP
500
n3mP.z
Figure
2-10.
Attenuator Switching Uncertainty Measure]
‘Ihble
2-l
1. Input Attenuator Switching Uncertainty
nent
Lz)
[REFERENCE LEVEL) Frequency
Deviation Corrected Allowable
Wm)
Synthesizer (MARKER A Deviation Deviation
Amplitude Amplitude
WV
(9
Wm)
(W
10
-50
-52
0
(ref)
0
(ref)
20
-40
-42
fl
dB
30
-30 -32
fl
dB
40
-20
-22
fl
dB
50
-10 -12
fl
dB
60 0
-2
fl
dB
70
+lO
8
fl
dB
Performance Tests 2-21