Anritsu Company Site Master S312D, Руководство по обслуживанию

Страница: 36 / 62

2-13 Bias Tee Verification (Option 10A) Performance Verification
2-26 PN: 10580-00195 Revision B S312D MM
2-13 Bias Tee Verification (Option 10A)
If the Bias Tee (Option 10A) is installed in the S312D, then the following test can be used to verify the
performance of the bias termination.
Required Equipment (refer to
Table 1-1
):
• Site Master S312D
• Low Current Load Fixture, 105 ohm, Anritsu Part T3377
• Low Current Load Fixture, 40 ohm, Anritsu Part T2904
Procedure:
1. Connect the external power supply to the S312D.
2. Press the
On/Off
key to turn on the S312D.
3. Press the
Recall Setup
(6) key, then select the
<Default>
mode setting.
4. Press the
ENTER
key.
Bias Tee Test
1. Press the
SYS
key, then press the
Application Options
soft key and then press the
Bias Tee
soft key.
2. Press the
Bias Tee Voltage
soft key and enter
12
then press the
ENTER
key.
3. Connect the 105 Ohm load to the RF In test port.
4. Press the
Bias Tee On/Off
soft key to turn on the Bias Tee.
5. Verify the voltage and current readings displayed on the top left side of the screen are within the
specifications that are listed in
Table 2-1 .
6. Press the
Bias Tee On/Off
soft key to turn off the Bias Tee.
Figure 2-12. Bias Tee Verification (Option 10A) Test Setup
Note Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
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
SiteMaster
S332D
Site Master
1
T3377
S312D
T2904
7ȍ
7ȍ