10-3 How Bias is Generated Bias Tee, Option 10
10-4 PN: 10580-00289 Rev. K Vector Network Analyzer MG
Figure 10-3 shows a variable bias tee supplying bias power out of Port 2 to the test unit,
which is a dual duplex tower-mounted amplifier.
1 TMA–DD (Tower Mounted Amplifier – Dual Duplex)
2 Internal Components
3 Base Station Transmit and Receive Connection
4 Bias voltage is on Port 2
5 Port 2 of VNA Master
6 Port 1 of VNA Master
7 Antenna Transmit and Receive Connection
Figure 10-3. Variable Bias Tee on TMA-DD
37
5
6
4
2
1
TMA — DD
Antenna BTS
Tx / Rx Tx / Rx
Port 1
Port 2
(Bias on Port 2)
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