---
# System prepended metadata

title: Regular Meeting (2022.8.15)
tags: [Regular Meeting, DeWei]

---

# Regular Meeting (2022.8.15)

* Zybo-z7
* CDCFE Fanout Baord
	* Finished Layout
	* Quotation
	* Q&A
	  * When to approach AC coupled input on buffer
	  * The performance about 4L and 2L, is 4L > 2L?

## Zybo-z7

* Building image......

## CDCFE Fanout Baord

### Finished layout

* OPA3692 (Fixed resistor inside buffer)
![](https://i.imgur.com/vyEsvJx.png)
![](https://i.imgur.com/8W9JMCh.png)
* OPA2674 (Tuned resistor)
![](https://i.imgur.com/enKSwRw.png)
![](https://i.imgur.com/K7PMJTD.png)
* Pass DRC(Design Rule check) from the EDA-SW (No Err/Warnning)
* Price: 
  * MF help us merge board -> 10k NTD
  * We merge (stamp hole) -> 5k NTD
  * Yes....prices have gone up than previous years

### Q&A

#### When to approach AC coupled input on buffer

* [TI](https://www.ti.com/lit/an/snoa390b/snoa390b.pdf?ts=1660272746801&ref_url=https%253A%252F%252Fwww.google.com%252F&fbclid=IwAR3_xrJ3RnWXv7fjlFUF2mLd_-vlHh0WxnpLER7wfjFP9xc766BvYeH6rI8)

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

#### The performance about 4L and 2L, is 4L > 2L?

* ![](https://i.imgur.com/mC4Aulg.png)
* Pending to ensure

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