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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]

The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]

1. Proposal of reconfigurable measurement and control system The measurement and control system generally refers to a system based on computers to realize data acquisition a...[Details]

A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]

At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]

It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]

0 Introduction With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]

The Challenge: Develop a communications-flexible portable measurement device that can record high-frequency transients in power systems and display the data online to multiple users...[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]

: Ambiguous operators need parenthesesAmbiguous symbol ``xxx``Argument list syntax errorArray bounds missingArray size toolargeBad character in paramentersBad file name format in 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]

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]

Fieldbus is a fully digital distributed underlying control network. Since its emergence, it has attracted widespread attention from researchers in the control field. However, for a long time, due t...[Details]

Zinc-air batteries have the advantages of large specific capacity, high specific energy, stable discharge performance, cheap and easy-to-obtain raw materials, and no environmental pollution during ...[Details]

With the continuous development of automotive electronic control technology, the number of automotive electronic equipment has greatly increased, the operating frequency has gradually increased, and t...[Details]