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TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
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1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
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Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
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Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
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With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
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1 Introduction
With the rise of my country's automobile industry, the demand for related in-vehicle electronic products is growing, and has become a research and development hotspot in the...[Details]
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Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]
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Femtocell is similar to Home Node B, a small, low-cost cellular access point used to improve network coverage in personal residences and small business buildings. Usually, it is directly connected ...[Details]
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Prisons are an important part of the national judicial organs, shouldering the important mission of enforcing laws and disciplines and educating and reforming. The safety of prisons is related to t...[Details]
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Future 4C products are characterized by low price, light weight and mobile Internet access, so their power supply design must break away from traditional limitations, including complicated external...[Details]
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1 Introduction
Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]
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1 H4006 chip introduction
The operating frequency range of H4006 is 10～15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]
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Although the live broadcast satellite has only been launched for more than 8 months, the market growth rate and the momentum of development have greatly exceeded the expectations of industry inside...[Details]
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1 Introduction
DC regulated power supplies have been widely used in many industrial fields. In industrial production (such as electric welding, electroplating or DC motor speed regulation,...[Details]
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As a new generation of video coding and decoding technology, H.264 has excellent compression performance compared with traditional MPEG-2, enabling it to achieve higher-quality video transmission u...[Details]
Talking
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