6. POWER MONITOR VERIFICATION
If the Power Monitor (Option 5) is installed in the
Site Master, the following test can be used to verify
the accuracy of the power measurements. Measure
-
ment calibration of the Site Master is not required
for this test.
a. Equipment Required:
·
RF Detector, 10 MHz to 20 GHz,
Anritsu 560-7N50B
·
10 dB Attenuator, Weinshel 1R-10
·
30 dB Attenuator, Weinshel 1R-30
·
RF Reference Source, 0.050 GHz,
Anritsu MA2418A
·
DC Power Supply, Anritsu 2000-933
b. Procedure
1. Connect the DC power supply to the
MA2418A Reference Source. (Refer to
Figure 3.)
2. Connect the MA2418A Reference Source
to the input of the 560-7N50B RF detec
-
tor.
3. Connect the RF Detector output to the
RF Detector input of the Site Master.
4. Connect the DC power supply to the ap
-
propriate line voltage to supply power to
the MA2418A Reference Source.
5. 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.)
6. Press the
MODE soft key.
7. Use the Up/Down Arrow key to highlight
POWER MONITOR, then press ENTER.
8. Press the
ZERO soft key to zero the power
monitor.
When complete,
ZERO ADJ:ON is dis
-
played in the message area.
9. Verify that the power monitor reading is
0.0 dBm ±1 dB.
4 Site Master S820A MM
2000-933 DC Power Supply
Attenuators
Site Master w/ Option 5 Installed
MA2418A
Reference Source
560-7N50B
RF Detector
15-24V DC
20 mA
MA2418A Reference Source
50 MHz, 50
0dBm
W
RF
Det
Serial
Interface
External
12V
Battery
Charging
12-15V DC
(45C mA)
MARKER
SAVE
DISPLAY
RECALL
DISPLAY
LIMIT
SAVE
SETUP
RECALL
SETUP
CAL
ENTER
ON
OFF
PRINT
RUN
HOLD
ESCAPE
CLEAR
AUTO
SCALE
START
CAL
1
2
820A
4
3
5
6
8
9
0
7
Test
Port
Figure 3. Power Monitor Verification