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This paper presents a 56Gb/s 16-QAM 65nm CMOS transceiver using a W-band carrier. Two wideband IF signals are up- and downconverted simultaneously with 68GHz and 102GHz carriers. The transceiver achieves 56Gb/s data-rate with TX-to-RX EVM of −16.5dB within 0.1m distance. The transceiver consumes 260mW and 300mW from a 1V supply in TX and RX modes, respectively. This results in 10pJ/bit efficiency,...
A wireless continuous transmission and reception of signals from 1GHz up to 6GHz is shown. Core functionality of a universal multiband multistandard wideband reconfigurable transceiver is demonstrated. Extension of the frequency range by means of a mixing stage is combined with a wideband signal processor from the baseband up to the RF and vice versa. This concept exploiting the proposed platform...
The signs are clear: competition among handset makers is forcing them to replace today's multiplicity of ad hoc standard-specific modules and associated RF passive filters and duplexers by a highly integrated universal transceiver platform that connects directly to the antenna. This platform, with the ability to tune continuously from 80 MHz to 6 GHz, should support all 2G and 3G cellular standards...
In this paper, we present the design, implementation, and evaluation of a custom-built wideband RF front-end for enabling dynamic spectrum access communications in software-defined radio platforms. The frontend is designed for wireless operation within the 50 MHz - 2.5 GHz frequency range, and is entirely software-controlled by the platform. Evaluation of the proposed design was conducted using the...
This paper presents the design and integration of a fully-integrated dual-conversion zero-IF2 CMOS transceiver for 9-band MB-OFDM UWB systems from 3.1 GHz to 8.0 GHz. The transceiver integrates all building blocks including a variable-gain wideband LNA, a single combined mixer for both RF down-conversion in RX and up-conversion in TX, a fast-settling frequency synthesizer, and IQ ADCs and DACs. Fabricated...
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