## Issues
- RF Balun unmatched frequency..
- 2450M or 450M
- no 2450M balun 2:1
- to 450M 80M (820M) 370M
- Select BALF-SPI2-02D3 on onecall
- BALF-SPI2-02D3 output impendance not 50 ohms, droped
- to 610M 80M (1140M) 530M
- Design IF impedance for 200 ohms
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