When I was looking at an op amp datasheet, the layout guideline said that using a guard ring around the input wire can greatly reduce leakage current. I didn't really understand what a guard ring is....
Now let's look at an example. The program first defines a structure called pirate, and then declares two variables of this type. The program initializes one of the variables and writes it to the disk ...
[table=98%,rgb(238, 238, 238)] [tr][td] For PCB layout (op amp, AD, DA, reference) of weak signal measurement (μV or even nV level), can the reference be laid on a separate layer (4-layer board)? Will...
[i=s] This post was last edited by Qingye Piaoling on 2015-4-21 11:07 [/i] After a long period of thinking and improvement of comprehensive ability. The difference in success rate between BGA manual s...
I am from the Department of Computer Science. In my junior year, I was divided into two majors: software engineering and embedded system. I would like to know more about what the two majors are about....
Using STM32F103ZET6, the code is as follows int main(void) { int getdr; RCC_AHBPeriphClockCmd( RCC_AHBPeriph_CRC , ENABLE); CRC->CR = 1; CRC->DR = 0x0; getdr = CRC->DR; while (1){} } Including turning...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
PCB Design
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