High data rates challenges and long traces from current state-of-the-art systems imply high attenuation. In the present article, we will present a detailed process of synthesis of equalizers, for choosing the correct one for a given application. The methods are based on scattering parameters applied on interconnections modeled as microstrip or stripline. Firstly, one may have an overview of types of equalizers, passive, active, and adaptive ones, and a detailed filter synthesis is applied in microwave systems having as start point the insertion loss of a given trace on a given substrate. Next, time domain analyses offer a better understanding of the performance of the interconnect, based on eye diagram inspection and the variation of waveforms with time. Finally, we will present results based on simulation of the equalizers network in a microstrip technology followed by discussions and conclusions. The study proposes to use equalizers in either the transmitter or receiver point, proposes a bridge equalizer with the cost of additional elements but improved constant input, output impedance, and also a new variant for single ended trace based on microwave resonator is proposed. Performance is demonstrated by results from simulations.
As 5/6G technologies are constantly evolving, radio links must be easily designed and analyzed. Focusing on budget and spur analyses for frequency domain concurrently with time domain simulation, the present paper presents a complete and new evaluation approach for radio frequency (RF) links in conformance with matching at the ports of the RF components blocks. Frequency and time domain simulations of RF links allow shorter design time and higher performances in a what-if approach. In the system simulation of the proposed radio link, the signal heritage stipulates if a signal corresponds to the carrier or is a source of intermodulation or distortion produced in the link considering the compression point and leakage from output to the input of power in various points through the link.
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