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Network-on-Chip (NoC) has emerged as a solution for communication framework for high-performance nanoscale architecture. One important aspect, in addition to deadlock-free routing, is low power consumption. In view of varied communication requirements, application specific SoC design is increasingly important. Customized NoC architectures are more suitable for a particular application, and do not...
In this paper we propose a variable-gain transimpedance amplifier suitable for low-power applications. Its noise, bandwidth and input impedance performance are similar to a more conventional regulated-cascode common-gate transimpedance with resistive load, with the same power consumption and gain performance. The proposed amplifier has, however, variable gain, which can be easily changed by setting...
This paper proposes the design and analysis of a broadband 2-40 GHz passive distributed drain-pumped mixer using 0.18 μm CMOS technology for ultrawide-band (UWB) receivers. To achieve broad bandwidth for the UWB communications, a distributed topology is introduced. A closed-form analytical model for the conversion loss of distributed drain-pumped mixer is presented for the first time. The designed...
A low power inductorless variable gain amplifier (VGA) for wideband communication systems is presented in this paper. It is a resistor feedback close-loop amplifier based on a proposed wideband operational amplifier. The operational amplifier is constructed by an artificially differential N/P complementary cascode amplifying stage for high gain, and a self-biased N/P complementary source follower...
This paper describes a new topology and implementation of a 10 Gbps voltage mode output driver designed for high speed data transfer applications. Using a positive feedback technique, the low power driver achieves the proper internal chip impedance required for matching the line impedance. As a result, return loss is minimized and good signal integrity is achieved. The driver, which consists of a...
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