HC49J/L52SFFREQ3

Design of L-Band Low Noise Amplifier introduction Low noise amplifier (LNA) is a key microwave component in electronic systems such as radar, communication, electronic countermeasure,...[Details]

　　In use, a dedicated ground resistance tester is expensive and inconvenient to purchase. Can I use a multimeter to measure the ground resistance? The author used a multimeter to conduct experiments ...[Details]

       With the development of society, cars are becoming more and more popular. With the increase in the number of cars, the probability of traffic accidents is also increasing. It is difficult to an...[Details]

A Ford study shows that car buyers still need to understand the nature and benefits of all-electric vehicles. According to the results of the Ford study, there is still a lot of misinformation surrou...[Details]

Driven by the energy-saving and environmental awareness and the latest energy efficiency regulations around the world, improving energy efficiency has become an industry consensus. Compared with h...[Details]

Learning the development environment is also a necessary part.   1..Summary of commonly used shortcut keys Ctrl + K: Quick Annotation Ctrl + Shif + K: Quickly remove comments Ctrl + T: Code f...[Details]

The circuit is very simple so I won't draw a picture. The segment of the digital tube is port p0, and the two digital tube positions are p2.5 and p2.6 respectively. #include reg52.h sbit cs1=P2^5; s...[Details]

0 Introduction     In recent years, intelligent vehicles and intelligent transportation have become one of the research hotspots in the field of automobiles and intelligent control. Intelligent vehi...[Details]

China's highway toll collection ( ETC ) system application market is growing. In order to promote the rapid development and maturity of ETC applications, relevant national departments have la...[Details]

(1) The difference between thermocouples and thermal resistance temperature measuring instruments The difference between thermocouple and thermal resistor Although they are both contact temperature...[Details]

1. The civil security market has broad prospects Traditional security is mostly based on video surveillance, and most of them are limited to monitoring within a limited range. At present, ...[Details]

As the main core product of the machinery industry, the inverter is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing...[Details]

The mobile phone industry is developing rapidly, but the progress in the PC field is relatively slow. However, after Huawei entered the PC field, the catfish effect it brought was still very obvious...[Details]

1. Effect display and connection method Note: The effect is not good when making animated pictures 2. Materials used 1. 8x8 dot matrix in Proteus   The 8x8 dot matrix is ​​mainly divided into the...[Details]

At about 3 p.m. on November 6, as Trump won the key swing state of Pennsylvania, he successfully won 270 electoral votes, defeating the Democratic candidate and current Vice President Harris a...[Details]