## 2024.7.18 * Refer to [here](https://hackmd.io/@pd-driver-ntuhep/HytbouV3p) * Last test for 16 ch [test](https://hackmd.io/@pd-driver-ntuhep/SkaHD7wA6) * and [here](https://hackmd.io/@pd-driver-ntuhep/Hy2y4t-1C) * ![image](https://hackmd.io/_uploads/B1MaPV8_A.png) * ![Tek000](https://hackmd.io/_uploads/r1YUO4Uu0.png) * Similar to my 1st test with **bread board*** (a long time ago) * Bias Correct * Next * 16 ch. board with 10 pcs and SMT * Complete layout changed... * BOM ## 2024.7.25 * ADD Capacitor (3pF) * ![2024-08-01_14-31](https://hackmd.io/_uploads/HkFlhs_FA.png) * ![Tek003](https://hackmd.io/_uploads/B1XF-owdA.png) ## New board: beam-test-3 * Original: 4 sub-board + 1 main board * Sub * 16ch amp * 1 ADC * 1 ADC has 16 analog channels * Main * 1 pi * 4 digital buffer from ADC to PI * New: 64 *amplet* board + 1 main board * Sub(Amplet) * **1 ch amp** * Main * **64 channels analog input (USB-A)** * **4 ADC** * 1 pi * 4 digital buffer from ADC to PI ## Chassis * ![1723099067065](https://hackmd.io/_uploads/HJhezmoqA.jpg) * ![1723099051036](https://hackmd.io/_uploads/Bk2xfXi5A.jpg)