5-2 Bias Tee Verification, Option 10 Option Verification
5-2 PN: 10580-00255 Rev. J MT8212E and MT8213E MM
5-2 Bias Tee Verification, Option 10
This test verifies that the optional Bias Tee in Model MT821xE Cell Master is functional. These tests include:
• “Low Current Test Verification”
• “High Current Test Verification” on page 5-3
• “Fault Verification” on page 5-4
Low Current Test Verification
The tests in this section verify the Bias Tee Option 10 low current operation of the MT821xE in Cable and
Antenna Analyzer mode.
Equipment Required
• Anritsu 40-187-R External Power Supply
• Anritsu T3377 105 ohm Load
Procedure
1. Connect the external power supply (Anritsu PN 40-187-R) to the MT821xE Cell Master.
2. Press the On/Off key to turn On the MT821xE.
3. Set the MT821xE to Cable and Antenna Analyzer mode and preset the instrument.
4. Press the Shift key, and then the System (8) key, then press the Applications Options submenu key.
Low Current Test
1. Press the Bias Tee Voltage submenu key and change voltage from 15 V to 12 V and confirm that the
Current soft key is set to Low.
2. Connect the Anritsu T3377 105 ohm load to the RF In test port.
3. Press the Bias Tee On/Off submenu key to turn On the Bias Tee.
4. Record the Voltage and Current readings that are displayed on the left side of the screen into the
105 ohm Load Low Current section of Table A-18, “Option 10 Bias-Tee” on page A-15. Verify that the
voltage and current readings are within the specifications.
5. Press the Bias Tee On/Off submenu key to turn Off the Bias Tee.
6. Repeat Step 3 through Step 5, entering each of the voltage settings that are listed in the 105 ohm Load
Low Current section of Table A-18.
To Next Page
Loading...
Need help?
General
