Concept for a Novel Low-Complexity QAM Transceiver Architecture Suitablefor Close to Transition Frequency Operation

Conference contribution
(Conference Contribution)


Publication Details

Author(s): Carlowitz C, Vossiek M
Publication year: 2015
Language: English


Abstract

The implementation of ultra-high speed mm-wave and THz transceivers
based on homodyne concepts suffers from severe scaling issues with
respect to system complexity, circuit size and power consumption as such
transceivers nowadays typically need to operate close to the transition
frequency of the underlying semiconductor process. In order to mitigate
these severe issues, we propose a novel regenerative sampling concept
based on a simple positive feedback low-gain amplifier stage. We show
for the first time a concept that allows to regenerate quadrature
modulated signals with minimal effort based on a simultaneous phase and
amplitude regenerative sampling (SPARS) process. This concept enables
attractive alternatives to the homodyne approach, e.g., a
synthesizer-free self-mixing receiver, which significantly reduces the
complexity of the receiver circuit. This paper provides the
proof-of-concept of the novel approach by simulations and by
measurements with a lumped element 22 GHz 16-QAM feasibility
demonstrator.


FAU Authors / FAU Editors

Carlowitz, Christian
Lehrstuhl für Hochfrequenztechnik
Vossiek, Martin Prof. Dr.-Ing.
Lehrstuhl für Hochfrequenztechnik


How to cite

APA:
Carlowitz, C., & Vossiek, M. (2015). Concept for a Novel Low-Complexity QAM Transceiver Architecture Suitablefor Close to Transition Frequency Operation. Phoenix, US.

MLA:
Carlowitz, Christian, and Martin Vossiek. "Concept for a Novel Low-Complexity QAM Transceiver Architecture Suitablefor Close to Transition Frequency Operation." Proceedings of the IEEE MTT-S International Microwave Symposium 2015 (IMS 2015), Phoenix 2015.

BibTeX: 

Last updated on 2019-17-01 at 15:23