# Sencond Group Meeting >[x] ---05/02/2020 by Yidi Song >[x] Participaants: Boyao Yang, Weizhou Wen, Yimian Liu, Yidi Song >[x] Location: CTH ## What have done - Let all group members know the simple steps to record ideas and the information from group meeting and AA meeting. - Write the meeting log before Thursday. - Drawing schematics. - Continue to learn the ways to use the software, including the way to design PCD. - Find the way to let the output impedance is 50 ohms. - Simulate and design filter. - Circuit Simulation During the second week our team members learned pcb drawing by themselves. Here is one of the drawing exercise manuscripts. ![pcb practice manuscript](/docs/groupmeeting/img/WechatIMG93.png) Besides,we already determined the first schematic demo. ![demo 1](img/WechatIMG95.png)