VDMMCB-38.880MHZ

In recent years, various wireless communication technologies have developed rapidly, greatly improving people's work efficiency and quality of life. Currently, the more mature wireless communicatio...[Details]

As the leading screen manufacturer in China, BOE has had a very ambiguous relationship with Apple in recent years. Apple has always had very strict requirements on its supply chain, which also indire...[Details]

0 Introduction In 1971, the article "A Digital Frequency Synthesizer" written by American scholars J. Tierney and others first proposed a new synthesis principle of directly synthesizing t...[Details]

At 01:10 on January 18, 2020, with the No. 1 and No. 2 main transformers closing and charging normally, the first substation invested and constructed by Kunming Power Distribution Co., Ltd. (herein...[Details]

    AT89C2051 is a product of Atmel's AT89 series. Compared with AT89C51, it has good continuity, only reducing the storage capacity and I/O ports, and the other configurations and performance are not...[Details]

Compared with hardware receivers, GPS software receivers (SR) have the same functions, such as positioning and speed measurement, but the implementation environment is different. SR is completed on...[Details]

On April 14, it was reported that this is China's largest autonomous driving car data center and Asia's largest Robotaxi (autonomous driving taxi) operation center.   Recently, AutoX , a global lead...[Details]

Asynchronous motors are widely used in the fields of industry, agriculture, transportation, home and business. For example, in industrial production, asynchronous motors are used in various machine...[Details]

    Semiconductor light-emitting devices include semiconductor light-emitting diodes ( LEDs ), digital tubes, symbol tubes, PIN tubes and dot matrix 　　displays ( matrix tubes). In fact, each light-em...[Details]

1 Introduction With the wonderful appearance of TD-LTE test network at the World Expo and Asian Games, and China Mobile's huge investment in the construction of 6+1 city test network in 2011, the i...[Details]

51 single chip microcomputer motor pid control system program This program comes from the Internet. The editor has made some simple modifications and has not yet verified it. /***********************...[Details]

　　The basic accuracy of an LCR meter refers to the accuracy it achieves under optimal test conditions. Generally speaking, the basic accuracy does not include possible errors from the outside, such as...[Details]

The wave of automobile intelligence is surging, but before smart driving cars can be truly commercialized, they need to undergo a lot of road tests to meet commercial requirements. As an emerging thi...[Details]

      Earlier this month, the U.S. Patent and Trademark Office published Apple's Beats Earphones patent application, which shows that Beats headphones will introduce new health sensors. 　　Apple's u...[Details]

Individually, each battery cell is small and may seem insignificant. However, when hundreds of these cells are connected in series and parallel, they form the backbone of an electric vehicle's powe...[Details]