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
10 dB Attenuator, Weinshel
30 dB Attenuator, Weinshel
RF Reference Source, 0.050 GHz, Anritsu MA2418A
DC Power Supply, Anritsu
b.Procedure
1.Connect the DC power supply to the MA2418A Reference Source. (Refer to Figure 3.)
560-7N50B RF Detector
SerialInterface | 12V |
| External |
| BatteryCharging |
| DCmA) |
| |
| 12 |
| Port |
| |
Test |
| ||
820A | Det | ||
RF | |||
|
| ||
1 | AUTO |
| |
| SCALE |
| |
START | 2 |
| |
CAL | ESCAPE | ||
| CAL | ||
3 | CLEAR | ||
4 |
| ||
SAVE |
| ||
SETUP |
|
| |
5 | RECALL |
| |
| SETUP |
| |
LIMIT | 6 |
| |
7 | MARKER |
| |
SAVE | 8 |
| |
DISPLAY |
| ENTER | |
9 | RECALL | ||
| |||
| DISPLAY |
| |
ON | 0 | RUN | |
OFF | HOLD |
Site Master w/ Option 5 Installed
Figure 3. Power Monitor Verification
2.Connect the MA2418A Reference Source to the input of the
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.
Attenuators
MA2418A
Reference Source
| MA2418A Reference Source | |
50 MHz, 50 W |
| |
0dBm |
|
|
4 | Site Master S820A MM |