---
# System prepended metadata

title: Regular Meeting (2023.3.20)
tags: [Regular Meeting, DeWei]

---

# Regular Meeting (2023.3.20)
* Fanout-48
  * Add switch for ODD/EVEN channels
    * Continuing from [last week's issue](https://hackmd.io/@BelleII-CDC-Trig-NTU-DeWei/Bk3Xgqukh)
    * Select 2 channels analog switch
      * ODD/Even
      * TMUX1136
    * With/Without 50 ohm test point
    * Impedance matching for the trace
* Reviewing the layout 

## Impedance matching for the trace

![](https://i.imgur.com/u4mjn34.png)

![](https://i.imgur.com/TUpLGZi.png)

[Transmisson Line](https://en.wikipedia.org/wiki/Telegrapher%27s_equations)

![](https://i.imgur.com/8R5Jzk6.png)

###### tags: `Regular Meeting` `DeWei`