Option Verification 5-2 Bias Tee Verification, Option 10
MT8212E and MT8213E MM PN: 10580-00255 Rev. J 5-3
High Current Test Verification
The tests in this section verify the Bias Tee Option 10 high current operation of the MT821xE in Cable and
Antenna Analyzer mode.
Equipment Required
• Anritsu 40-187-R External Power Supply
• Anritsu T2904 40 ohm Load
• Anritsu T3536 78 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, and then press the Applications Options submenu key.
High Current Test
1. Press the Bias Tee Voltage submenu key and verify that the voltage setting is 15 V. Confirm that the
Current soft key is set to High.
2. Connect the Anritsu T2904 40 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 in the 40 ohm
Load High Current section of Table A-18. 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. Disconnect the Anritsu T2904 40 ohm
load and connect the Anritsu T3536 78 ohm load to the RF In port.
6. Press the Bias Tee Voltage submenu key and enter 32 V.
7. Press the Bias Tee On/Off submenu key to turn On the Bias Tee.
8. Record the Voltage and Current readings that are displayed on the left side of the screen in the 78 ohm
Load High Current section of Table A-18. Verify that the voltage and current readings are within the
specifications.
9. Press the Bias Tee On/Off submenu key to turn Off the Bias Tee.