Anritsu Company Site Master S312D, Maintenance Manual, Page: 37 / 62

Performance Verification 2-14 Transmission Measurement Verification (Option 21)
S312D MM PN: 10580-00195 Revision B 2-27
7. Select each of the voltage settings and verify the voltage and current readings displayed on the top-left
side of the screen are within the specifications that are shown in
Table 2-1 .
Fault Tes t
1. Disconnect the 105 Ohm load and connect the 40 Ohm load to the RF In port.
2. Press the
Bias Tee Voltage
soft key and enter 17 then press the
ENTER
key.
3. Press the
Bias Tee On/Off
soft key to turn on the Bias Tee.
4. Verify that the instrument makes a clicking sound and the Bias Tee Error/Fault dialog appears on the
screen.
5. Press the
Bias Tee On/Off
soft key to turn off the Bias Tee.
2-14 Transmission Measurement Verification (Option 21)
The test in this section can be used to verify the Dynamic Range of a Site Master equipped with Option 21.
Required Equipment (refer to
Table 1-1
):
• Site Master S312D
• RF Coaxial Cable, Anritsu Model 15NN50-1.5C
• 50 ohm termination, Anritsu Model 28N50-2
Procedure:
1. On the Site Master, 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.)
2. On the Site Master, press the
MODE
key. Use the
Up/Down
arrow key to highlight
Transmission
Measurement
and press
ENTER
to select Transmission Measurement mode.
3. Press the
MEAS/DISP
key and then press the
Calibrate TM
soft key.
4. Connect the RF In port of the Site Master to the RF Out port using the 15NN50-1.5C RF Coaxial Cable.
Press the
ENTER
key on the Site Master to calibrate. The Site Master will beep when one sweep is
completed.
5. Disconnect the RF cable from the RF In Port and connect the 50 Ohm Termination (same as Figure 2-10 ).
6. Press the
Limit
key and press
Single Limit
.
7. Press the
Edit
soft key, enter
–80,
and then press the
ENTER
key.
8. Verify that the trace is below the limit line.
9. Press the
MARKER
key, press the
M1
soft key, and then press
Market to Peak
. Record the Marker value in
Table A-16, “Transmission Measurement Verification (Option 21)” on page A-8 .
Table 2-1. Bias Tee Verification, 105 Ohm Load, Low Current
Voltage Setting (V) Voltage Specification (V) Current Specification (mA)
12 ±0.5 85–145
15 ±0.6 113–173
18 ±0.7 142–202
21 ±0.8 172–230
24 ±1.0 199–259