[i=s] This post was last edited by paulhyde on 2014-9-15 03:11 [/i] I want to use a filter to extract the subharmonics from a 10K square wave. The simulation has never worked. I want to ask how the va...
I have written a WDM driver, which does not interact with the hardware itself, but only communicates with two drivers. Now that the .sys and .inf files have been written, how can I install and start i...
How to draw a PCB in Altium Designer, and make the front of the double-sided board run horizontally and the back run vertically by using a large number of vias, instead of the default routing during a...
How to design a constant current source controlled by a microcontroller for current sharing in parallel switching power supplies in buck circuits [[i] This post was last edited by Mumian on 2012-8-25 ...
Responsible for STM32 AD data collection and then transfer to PC via USB. 2009-06-16 -------------------------------------------------------------------------------- Guangzhou Ripu Electronics Co., Lt...
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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
In the process of instrument application, there are many types of influencing factors of online gas analyzers and the changes are more complex. It is difficult to effectively control these influenc...[Details]
introduction
In industrial production and equipment maintenance, people often test coil winding turn-to-turn short circuit faults. For example, turn-to-turn short circuits in power transformer...[Details]
1. Introduction
Power flow calculation is the basis for studying steady-state problems of power systems. Since the application of computers to calculate power flow distribution in power sy...[Details]
O. Introduction
This system effectively combines the microcontroller and FPGA to realize equal-precision frequency measurement and IDDS technology, giving full play to their respective advanta...[Details]
Introduction
Intelligent buildings have been developing vigorously all over the world and have become the mainstream of the development of the construction industry in the 21st century. Intelli...[Details]
Electronics Design Contest
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