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AFE1594EVM: Question regard EVM

Part Number: AFE1594EVM

Tool/software:

Hello, 

1. I have received the AFE1594EVM board and found that some of the components existed in the electrical scheme are not on the board mismatch between components with the same reference designator. 

For example, J8, J7  - have 18 pins on the board (2x9) while 24 pins (2x12) on scheme. 

2. What does the BPS_VREF (VREF Generation) is used for ? It look it goes straight to connector. 

3. What shall these connectors be connected to : 

Where do these voltages come from ? 

4. Not clear where exactly the leads are connected ? 

Ohad