[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...
I am making a simple gadget that communicates via the UART port. There is no RESET button on the 149 circuit, so it is reset by power-on.The program is written and the hardware simulation is true, wit...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:18[/i] This is the first time we have worked on a power supply topic, and it is a topic known as the most difficult power supply. The inverte...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[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]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]