# A Multi-Beam Phased Array Receiver Front-End with High Performance Ceramic SiP

## TL;DR

This paper introduces a compact phased array receiver using ceramic SiP technology for efficient thermal management and high-performance beam control in satellite communication.

## Contribution

The novelty lies in using HTCC-based SiP technology to create a compact, high-performance multi-beam phased array with switchable polarization.

## Key findings

- The phased array achieves stable radiation and beam consistency across 14–14.5 GHz.
- The design demonstrates efficient thermal management and high polarization purity.
- The array supports four independent beams with switchable circular polarization.

## Abstract

This paper presents a compact four-beam dual-polarized phased array with the high performance front-end module based on system-in-package (SiP) technology. By employing high-temperature co-fired ceramic (HTCC) substrates, the proposed design achieves efficient thermal management and high level of integration within a tile-type architecture. The front-end module based on SiP can simultaneously generate four independent beams with switchable left- and right-hand circular polarizations, providing flexible beam control. To verify the proposed method, a Ku-band 256-element phased array receiver with four beams has been designed and experimentally verified using HTCC and SiP process. Operating in 14–14.5 GHz, the proposed low-profile array demonstrates stable radiation characteristics, beam pointing accuracy and excellent beam consistency across the entire frequency range. The measurement results confirm that the SiP-based phased array maintains efficient thermal management, high polarization purity and robust beam-scanning capability, validating its suitability for mobile satellite communication.