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Tuner chip rolls for high-speed in-car TV

Posted: 16 Dec 2008     Print Version  Bookmark and Share

Keywords:TV tuner  automotive  broadcast TV 

The MT2067 is a highly integrated, dual-conversion single-chip tuner that supports the RF frequency range from 48 to 862 MHz. An integrated low-noise amplifier ensures excellent system sensitivity, while Microtune's patented "ClearTune" filter technology limits interference from strong undesired channels. The MT2067 tuner automatically controls the RF gain, depending on the receiving conditions. In order to support hybrid-receiver designs, it provides two Intermediate-Frequency (IF) outputs, one for connecting a digital TV demodulator and a second one to connect an analogue TV demodulator.

The MT2067 is engineered to operate in the harsh vehicular environment, meeting the unique challenges of temperature, vibration, and long product-life times as compared to consumer products. Developed to meet stringent automotive specifications, it supports temperatures from -40 to 85°C, and is designed to be qualified according to the requirements of the Automotive Electronics Council (AEC) Q100.

Unlike traditional car-TV tuner modules, the MT2067 requires fewer quality-sensitive supporting components. This feature enables system designers to meet the automaker's stringent requirements for reliability and failure rates with less effort and lower cost.

The MT2067 tuner is in production now and is priced at Rs.375.27 ($7.50) per unit in quantities of 10,000.

-Video Imaging DesignLine


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