5G mm-Wave Downconverter
Architecture for the Antenna Dome System
R.A. Coesoij (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Marco Spirito – Mentor (TU Delft - Electronics)
Leo C. N. de de Vreede – Graduation committee member (TU Delft - Electronics)
Fabio Sebastiano – Graduation committee member (TU Delft - Quantum Circuit Architectures and Technology)
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Abstract
The commercialization of millimeter wave frequencies for the 5G New Radio standard requires time and cost -effective testing equipment. The over-the-air measurement setup developed at the TU Delft (ADome) is able to reduce measurement time, by positioning multiple fixed sensing nodes around the antenna-under-test. To expand the system capabilities of the ADome, this work researches the possibilities of measuring signal quality by down-converting the high-frequency modulated signal to an intermediate frequency. This includes analysis on distributing the local oscillator to the sensing nodes, a proposed design and simulation of a passive single-balanced diode mixer circuit and simulated system EVM performance.