2266123-1

introduction Filters are common passive, linear, two-port devices. Sweep frequency transmission/reflection test techniques are often used to fully characterize their characteristics. Although filters...[Details]

On May 11, data from the China Academy of Information and Communications Technology showed that in April 2021, the total shipments of the domestic mobile phone market were 27.486 million units, a yea...[Details]

Imagine being able to use a small and inexpensive device to check which parking spaces in a parking lot are full and which are available; or use it to detect traffic jams, so as to change the route t...[Details]

　　1 Introduction 　　With the rapid development of electronic technology, the design of electronic circuits has become increasingly complex. Microcontrollers have been increasingly widely used in ele...[Details]

　　By adding some capacitors, diodes and resistors to the transistor and using a reset IC with adjustable hold time, a purely manual reset can be converted to an automatic reset. 　　In most application...[Details]

The oil filling automation system is an important part of the information construction of the oil depot. It completes the task of transporting oil from the oil tank to the oil tanker. With the deve...[Details]

The American "Tom Hardware" website reported that AMD, Nvidia, Intel and other companies sell large quantities of advanced chips to China, and the US suppression will inevitably hurt these American c...[Details]

This paper introduces the composition, principle and implementation of the thyristor temperature controller, and focuses on the principle and implementation of the pid function. Finally, the applicati...[Details]

Dimmable control is a major direction for future LED driver design. In terms of technical implementation, there are two dimming methods: thyristor and PWM. The thyristor dimming method does not req...[Details]

Usually people need to know the remaining days to some important dates (such as the 50th anniversary of the founding of the People's Republic of China, the return of Macao, the coming of the year 2...[Details]

Optimized, efficient backlight unit system design maximizes the benefits of LED technology. These benefits are so significant that LEDs are rapidly moving toward thinner and more efficient des...[Details]

All-vanadium liquid flow batteries (hereinafter referred to as vanadium batteries) are considered to be a new energy storage application, and have received much attention and expectations from the mar...[Details]

Design requirements: 1: After power on, the two-digit digital tube displays 88                  2: Single-click the button, the countdown starts from 20 seconds, and the speaker sounds when it reache...[Details]

　　What is a Linear Regulator? 　　Linear regulators use transistors or FETs operating in their linear region to subtract excess voltage from the applied input voltage to produce a regulated output volt...[Details]

Let's take a look at the ARM storage system: It can be seen that the fastest are the processor and internal registers, which are few in number and very expensive. Next is TCM tightly cou...[Details]