I am working on an inverter recently, using pure analog circuit control. The modulation wave is 400Hz, and the triangle carrier wave is currently 460kHz. The current comparator chip NTE919D is used to...
I'm learning msp430f5438 recently. After installing IAR, I found that there is no header file for 5438 in the header file. For example, registers such as TACTL and TAR cannot be recognized. Is it beca...
Hello everyone, I used 8051 and CP2201 to make an Ethernet interface. During the initialization of the CP2201 physical layer, the value of INT1RD is always 0X31 regardless of whether it is connected o...
How to understand the alarm performance of 14 or more half-cycles of arc faults in 1s in GB14287.4 "Electrical Fire Monitoring System Part 4: Arc Fault Detector"? How to understand the alarm performan...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Microcontrollers are something that many people want to learn about and are concerned about. In most websites, the hardware requirements are generally as follows:
1. You need a computer, prefer...[Details]
During the operation of electronic equipment,
memory
failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
In the process of designing electronic products, we usually control the cost of the designed products, always try to simplify the circuit, reduce the components, and simplify the installation process....[Details]
Abstract Based on the overview of the hardware design of digital synthesis sweeper, this paper describes a USB2.0 interface design based on ISP1362, including the hardware structure design of USB i...[Details]
Communication protocol: The first byte, MSB is 1, which is the first byte mark, the second byte, MSB is 0, which is the non-first byte mark, and so on... The last byte is the XOR checksum of the la...[Details]
introduction
In modern industrial control and some intelligent instruments, more and more places need to use dot matrix graphic displays to display Chinese characters. The usual way to display...[Details]
0 Introduction
A wireless sensor network is a type of RGS system (remote ground sensor system). It is a detection system that uses a variety of sensors as comprehensive intelligence collection...[Details]
The treatment capacity of a sewage treatment plant in Shanghai is 10,000 m³/day, and the number of monitoring points is not large. The selection of S7-300 PLC plus Beijing Dingshi DS300B distributed I...[Details]
Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
1 Introduction
Cyclic redundancy code (CRC) verification technology is widely used in the field of measurement, control and communication. CRC calculation can be implemented by dedicated hardware, b...[Details]
Analog electronics
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