Q: I am confused that the phase margin of TPS63020 can only reach about 30 degrees.
Please tell me how to improve the phase margin.
Also, please tell me how much phase margin is required.A: Generally ...
The famous open source EDA software KiCad recently sold the original domain name kicad-pcb.org to a third party that has nothing to do with the KiCad project. This was unexpected and may bring risks a...
With the previous experience of using LED and KEY, you can now build a house based on it. Let’s first complete a simple one, which is to use I/O to simulate I2C communication to drive the OLED screen....
[i=s]This post was last edited by alanlan86 on 2022-8-20 22:32[/i]Debugging tasksThis project needs to use wireless communication (LoRa) to communicate data and recognition results between check-in po...
China's IC industry has made great achievements in the past decade. There are nearly 500 IC design companies, and 16 companies with sales revenue exceeding RMB 100 million in 2004. However, IC compani...
The CAN-bus protocol is known for its high stability and high fault tolerance. However, many users still worry that CAN will receive wrong information when using it. They add CRC checksum to the data....
Use the diode position of the digital multimeter to measure the diode. When measuring the diode, use the diode position of the multimeter. If the red test lead is connected to the anode (positive) of...[Details]
The single most important characteristic of an oscilloscope, bandwidth, provides a range indication in the frequency domain. Bandwidth is the first specification most engineers consider when selectin...[Details]
This example shows an inexpensive but very accurate capacitance meter. This is a micro capacitance measuring instrument with an accuracy of better than 1pF, specifically designed for capacitive oil l...[Details]
According to the division of software and hardware in the development cycle , this paper introduces the process of calculating, processing and displaying the data collected by the ADU3600 board bas...[Details]
Just today, my light-seeking module succeeded. Its circuit diagram is very simple: a 220 resistor voltage divider and an infrared transmitting diode are connected in series between VCC and ground. In ...[Details]
At the most basic level, the old 51 MCU (80C51 series) has 5 interrupt sources, 2 priorities, and can implement two-level interrupt service nesting. Now many extended 51 MCUs have 4 priorities (or mo...[Details]
Abstract: This paper mainly introduces the specific design of the hardware and program implementation process of the infrared remote control password lock based on the AT89C51RC single-chip microco...[Details]
1. Because I still don't understand some instructions of ARM assembly, especially the differences between some instructions with similar functions. I accidentally searched "FAQ ARM assembly" on the In...[Details]
Systems requiring advanced video graphics capabilities have always been a challenge to implement. Traditionally, these systems have required a complex combination of hardware features and software fu...[Details]
TouchFLO 3D is a touch control system for Windows Mobile developed by smartphone manufacturer HTC, also known as TouchFLO 2.0, with the development codename Manila. It is an enhanced version of the...[Details]
Cypress's PowerPSoC smart LED device uses programmable system-on-chip (PSoC) technology, with the best power controller and switch devices, which can replace traditional MCU, system IC and a large num...[Details]
Users who have recently updated their WeChat version, have you noticed any new changes? Take me as an example. I accidentally found that the payment in "Me" was gone, and it was replaced by a...[Details]
The HID class is a common method in USB applications. By modifying the JOYSTICK application of the STM32 USB firmware library V4.0, we implement a two-way USB communication. 1. Transplant the STM32 s...[Details]
Introduction Project Overview
For a brand new PLC product, getting started may seem simple, but for engineers who have just started, it can often become a difficult problem if they use it impr...[Details]
GSM is a common VOIP voice codec library, which is implemented in Linux using libgsm. The libgsm library is needed in the project. So try to compile the GSM library directly. The official website h...[Details]