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Satellite digital TV broadcast reception today requires a multiple low-noise block (multi-LNB) head on the dish, as well as a multi-tuner set-top box (STB). Connecting multiple outdoor units (ODU) to the set-top boxes traditionally needed multiple cables. A first step has been achieved with so-called satellite channel stacking switchTM technology (CSS), able to deliver the full suite of TV programs...
A DVB-T tuner is integrated in 0.12 /spl mu/m CMOS. The 16mm/sup 2/ chip integrates a double conversion chain including PLL, VCO, voltage regulators, and ADC. The receiver exhibits a 6.5dB NF, a VCO phase noise of -140dBc/Hz at 1MHz offset at 1.21GHz, and a 14b ADC. It is compatible for integration with a digital demodulator IP.
A fully CMOS integrated DVB_T RF analog tuner achieving a 6.5 dB noise figure is presented. The tuner is implemented in a 0.12 mum CMOS process and occupies a 16 mm2 area. The receiver is based on a double zero IF conversion and integrates within the receiver chain the frequency synthesizers and two 4 MHz bandwidth 14 bit analog digital converters. The VCO exhibits a -140 dBc phase noise at 1 MHz...
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