A Scalable 32–38-GHz Transmitter and Receiver Phased Array With High Radiation Efficiency in UV-LIGA-Based Ceramic Packaging

A Scalable 32–38-GHz Transmitter and Receiver Phased Array With High Radiation Efficiency in UV-LIGA-Based Ceramic Packaging

clockVolume: 72, Issue: 8, August 2024

authorAi Hu Song

A Scalable 32–38-GHz Transmitter and Receiver Phased Array With High Radiation Efficiency in UV-LIGA-Based Ceramic Packaging

Abstract
DOI: 10.1109/TMTT.2024.3357974   IEEEXplore: https://ieeexplore.ieee.org/document/10422737
Device
Four Channel (8x8) Scalable Antenna-in-Package (AiP) Phased Array with RF Switches to Integrate TX and RX Functions
Spectrum
32-38 GHz
Novelty
Beamforming integrated circuit (BFIC). Al2O3 ceramic packaging for reliability, gas tightness, and effective heat dissipation. Ultraviolet lithographie, galvanoformung and abformung (UV-LIGA) technology for full-metal antennas with air-filled coaxial interconnections to reduce loss. Decoupling structure to prevent in-band parasitic modes; gold band in packaging to mitigate unwanted in-band resonance.
Application
Ka-band wireless communication and radar systems.
Performance
67.2 dBm EIRP; -4.1 dB/K G/T at 35 GHz; ±50° E & H plane scanning 80% Total Radiation Efficiency (TRE) at 35 GHz, 73% 32-38 GHz