Silicon Laboratories claims its first product in its SiRX product family is the industry's first fully-integrated single-chip satellite RF front-end for direct broadcast satellite (DBS). These small receiver solutions are intended for all free-to-air (FTA) and pay-TV DBS equipment including satellite settop boxes, PC cards for satellite TV, DBS receivers for automotive or avionic use, DVD recorders and digital TVs with integrated satellite receivers. The SiRX satellite RF front-end integrates a high-performance satellite L-band RF tuner, a dual-mode DVB-S/DSS digital demodulator and a power-efficient, step-up supply controller for the low noise block converter (LNB) in a single 6 x 8 mm CMOS solution. The company says that the integration of the LNB supply controller is an industry-first and includes support for DiSEqC 2.x and legacy tone/voltage LNB signalling. The single-chip RF-to-digital architecture of the SiRX satellite RF front-end family reduces design time and allows an easy conversion from terrestrial or cable reception to satellite reception for existing designs.
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