Today, I used L7805CV and L7905CV to make a positive and negative 5V power supply. The positive output was 5.01V and the negative output was negative 6.26V, not around negative 5V. At first, I thought...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:51[/i] The basic requirements for making a low-frequency signal analyzer are to complete the following parameter tests under the conditions o...
[font=宋体][size=5]Use TI's chip to design an LED, requiring AC power supply, voltage range between 100V~240V, and light output of 200 lumens. The first step is to select LED design, enter the requireme...
Infrared distance refers to the distance that infrared light reaches, ranging from a few meters to hundreds of meters, or even several kilometers. The nighttime visible distance is the maximum clear a...
1 Overview
Drugs are like a "double-edged sword". They can treat diseases but can also cause serious adverse consequences. The dual nature of drugs depends on whether they are used rationally....[Details]
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
1 Overview
The BP01 pressure sensor is specially designed for monitoring blood pressure and is mainly used in portable electronic sphygmomanometers. It uses a precision thick-film ceramic chip and...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
introduction
With the rapid development of my country's aviation industry, various new aircraft and control equipment have been successfully developed. Some previous measurement and control eq...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
introduction
With the increasing popularity of Internet applications, the degree of information sharing is constantly improving. The digitization and networking of embedded devices has b...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
Abstract:
The signal flow of the external transceiver in the WCDMA/TD-SCDMA protocol is analyzed. The analysis results show that most of the functional modules in the WCDMA/TD-SCDMA external tr...[Details]
The third generation iPhone, iPhone 3G S, has finally been released. Let's take a look at the differences in basic parameters between it and the previous generation iPhone 3G.
According to for...[Details]
Faced with increasingly fierce market competition and increasingly picky users, automakers and auto parts suppliers have been working hard to innovate - products with newer technological content an...[Details]
0 Introduction
Cadence Design Systems Inc. is the world's largest provider of electronic design technology, program solutions and design services. Its solutions are designed to enhance and...[Details]
DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (parallel or serial) for...[Details]
The following figure is a schematic diagram of the fiber optic video surveillance network solution of OnAccess@ of Shoumai Communication. It is completely based on video digitization and Ethernet t...[Details]