Anritsu Company Site Master S312D, Maintenance Manual, Page: 12 / 62

2-2 VNA Frequency Accuracy Performance Verification
2-2 PN: 10580-00195 Revision B S312D MM
2-2 VNA Frequency Accuracy
The following test can be used to verify the VNA CW frequency accuracy of the Site Master. Measurement
calibration of the Site Master is not required for this test.
Required Equipment (refer to
Table 1-1
):
• Spectrum Analyzer, Anritsu Model MS2665C
• Frequency Reference Symmetricom Rubisource T&M
• Site Master S312D
Procedure:
1. Connect a 10 MHz Reference signal to the 10 MHz STD Ref In of the Spectrum Analyzer as shown in
Figure 2-1 .
2. Press and hold the
ESCAPE/CLEAR
key, then press the
ON/OFF
key to turn on the Site Master. (This
sets the instrument to the factory preset state.)
3. Press the
FREQ/DIST
key, then press the
F1
soft key and set F1 to 1000 MHz.
4. Press the
F2
soft key, set F2 to 1000 MHz.
5. Press the
MEAS/DISP
key, then press the
Fixed CW
soft key to turn on Fixed CW.
6. Connect the RF cable from the Site Master Reflection Test Port to the RF Input on the Spectrum
Analyzer.
7. Set up the Spectrum Analyzer as follows:
a. Press the
Preset
key, then press
Preset All
(F1).
Figure 2-1. VNA Frequency Accuracy Test Setup
3 MS2665C
Spectrum Analyzer
9kHz–21.2GHz
Preset
Remote
Local
Copy Cont
Copy
Stby On
Memory Card
Menu On/Off
F1
F2
F3
F4
F5
F6
More
Freq/Ampl
Marker
Multi Mkr
Marker Frequency
Span
Amplitude
Peak
Search
User
Marker
Continuous
Single CF RLV
Peak
Save
Recall Measure
A.B Time Trig/Gate
RBW VBW Sweep Time Atten
A/Time A/B.A/BG
Display
Coupled Function
5),QSXWȍ
+30dBm
0V DC Max
!
ȝ9
ȝVHF
mV
msec
kHz
Hz +/– ƒ 0
1 2 3
Sound System Title
4 5 6 MHz
V
sec
Cal Interface Mem Card Enter
7 8 9 GHz
dBm
dB
PTA Define Hold
CE
BS
Shift
Entry
S332D
Site Master
SiteMaster
1
HOLD
RUN
START
CAL AUTO
SCALE
SAVE
SETUP
RECALL
SETUP
LIMIT
MARKER
SAVE
DISPLAY RECALL
DISPLAY
PRINT
SYS
ENTER
CLEAR
ESCAPE
ON
OFF
1 2
4
5 6
7 8
0 9
3
MODE FREQ/DIST AMPLITUDE MEAS/DISP
MS2665C
10 MHz Reference
S312D
to
rear
connector