Silicon Laboratories' latest hybid analogue/digital TV tuner IC has been designed to offer improved picture quality and better reception for analogue as well as digital broadcasts.
The company is bidding to replace the traditional discrete tuners which are commonly used in integrated TVs to achieve the supplier called the "best performance in real-world reception conditions".
To match discrete TV tuner performance, the Si2170 silicon tuner integrates a high linearity RF front-end design incorporating a merged low noise amplifier (LNA) and high-Q tracking filter to provide gain only around the desired channel frequency.
The aim of the design is to improve sensitivity and rejection of strong undesired channels and interference in severe broadcast conditions. "This translates into reception of more channels, reception of weak signals and improved picture clarity," said the company.
The company uses a digital low-IF architecture which incoporates programmable digital signal processing and analogue TV (ATV) demodulator. It is available now in a standard 7x7mm, 48-pin QFN package.