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VDSL2 transceivers use a wide analog bandwidth to achieve bit-rates in excess of 200 Mb/s. For standard 6-band VDSL2, 30 MHz bandwidth is required, comprising three up-stream and three down-stream signals. Since discrete multi tone (DMT) modulation is used, distortion components for the signal chain have to be below -65dBc to fully exploit 15b-per-tone bit loading. The presented AFE is implemented...
A 35mW- 3.6mm2GPS radio has been integrated in a 0.18µm CMOS process. Housed in a standard VFQFPN52 package, the GPS radio needs just a few external passive components for the input matching network and one external reference for the Synthesizer. The GPS receiver chain down-converts a Coarse/Acquisitions L1 signal with NF-5.3dB, conversion gain 81dB, Image Reject > 32dB. The synthesizer features...
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