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UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]

Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[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]

The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy. At the same time, por...[Details]

July 2008 ​ ​ On the 29th , storage giant Numonyx announced the launch of ...[Details]

introduction Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]

introduction Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]

A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips. Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]

Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]

With the continuous development of digital television, the demand for high-definition is imperative. H.264, as a new generation of compression standard, has a more complete algorithm than MPEG-2, ...[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]

0 Introduction One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]

With the rapid development of industrialization and urbanization, people's living environment is facing severe challenges due to the environmental damage caused by life and production. As an enviro...[Details]

Fairchild Semiconductor provides the industry's smallest power management solution FAN5902 for 3G mobile phone and wireless data card designers. This RF power DC-DC converter uses a 12-bump 0.5mm p...[Details]

Today, a new systematic maintenance approach can measure, locate and repair problems in rail and tram tracks in a timely manner. Combining mature railway engineering techniques with advanced techno...[Details]