# Third AA Meeting
>[x] ---06/13/2020 by Yimian Liu     
>[x] Participaants: Boyao Yang, Weizhou Wen, Yimian Liu, Yidi Song   
>[x] Location: EE 5 floor AA office   

## Ques
 - Ques about the usage of resistance in demo
 - Ques about the impedance matching
 - Ques about PCB differentical line design

## Techninal Suggestions    
- Resistance is used to perfect the circuit
- impedance match sometimes do not really necessary in this case
- just make sure that there are input and output