SmartChip IntegraTIon successfully developed the first domestic CMMB radio frequency receiver tuner chip, which is the only CMMB front-end RF tuner chip independently developed by a domestic chip design company on the market. So far, it is used in CMMB terminals The core chip, from radio frequency reception to digital demodulation, and even source decoding can be completed by China ’s independently developed chip products, forming a complete CMMB terminal solution. This is a breakthrough in China ’s high-end integrated circuit design industry. An enhancement of the independent innovation capability of China's information industry.
At the beginning of the development of the CMMB industry, several domestic chip design companies successively launched digital demodulation chips independently developed, which promoted the rapid development of the CMMB industry, but the front-end tuner chips used to receive CMMB radio frequency signals still had to use the United States and South Korea Products from foreign companies. In response to this situation, Lingxin Integration (Suzhou Zhongke Semiconductor Integrated Technology R & D Center Co., Ltd.), which started with the development of wireless broadband RF chips, invested R & D in 2007 and took the lead in developing a tuner chip dedicated to CMMB wireless RF reception. . Once the chip was exhibited at the 16th China International Radio and Television Information Network Exhibition (CCBN2008) in 2008, it has received great attention from relevant upstream and downstream manufacturers and numerous media.
Lingxin integrated SCI203ITM is designed for China Mobile Multimedia Broadcasting (CMMB). The working frequency band not only covers 470MHz to 862MHz (U segment), but also supports 2635MHz to 2660MHz (S segment) high-performance RF tuner chip. The chip integrates all the circuit modules that realize the radio frequency receiving function, and only a few external passive components are needed to form an overall CMMB tuning and receiving solution. This chip is mainly for mobile multimedia broadcast reception services of handheld devices and in-vehicle applications. While achieving low noise, high sensitivity, high linearity and other indicators, the chip has significant characteristics of low cost and low power consumption.
In addition to the S / U band two-in-one CMMB wireless RF tuner chip, Lingxin Integration will also launch S and U single band chips for different market applications, and will also make full use of its own technology in the field of high-end wireless RF chip design Advantages: Adopt a frequency synthesizer design technology capable of fine frequency adjustment, launch a series of chips that are fully compatible with the European DVB-H mobile TV standard, and can receive mobile TV signals from different countries and regions, thereby greatly increasing the use of multimedia terminals such as mobile phones.
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