The wiring of PCI cards is very particular, which is determined by the characteristics of PCI signals. In conventional high-frequency digital circuit design, we always try to avoid signal reflection,
[backcolor=royalblue][color=#ffffff]Note content preview: [/color][/backcolor][color=#ffffff] [/color] This application note describes the USB DFU protocol used in the STM32 microcontroller bootloader
Some time ago, I used LM2776 to build a -5V circuit to power the op amp. After the board was completed, I found that the batch could not be powered, and the -5V was only about 0.6.
The circuit was als
This is the first post of 2022, recording the past events of 2021 and my aspirations for 2022!
I changed jobs for the first time in 2021. Although my previous job was comfortable, the comfort made me