A 17.8–20.2 GHz Compact Vector-Sum Phase Shifter in 130 nm SiGe BiCMOS Technology for LEO Gateways Receivers

Author:

del Pino Javier1ORCID,Khemchandani Sunil L.1ORCID,San-Miguel-Montesdeoca Mario2ORCID,Mateos-Angulo Sergio2ORCID,Mayor-Duarte Daniel2,Saiz-Perez Jose Luis2ORCID,Galante-Sempere David1ORCID

Affiliation:

1. Institute for Applied Microelectronics (IUMA), Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas de Gran Canaria, Spain

2. Wireless Innovative MMIC (WIMMIC), 35017 Las Palmas de Gran Canaria, Spain

Abstract

This paper presents a novel and compact vector modulator (VM) architecture implemented in 130 nm SiGe BiCMOS technology. The design is suitable for use in receive phased arrays for the gateways of major low Earth orbit (LEO) constellations that operate in the 17.8 to 20.2 GHz frequency range. The proposed architecture uses four variable gain amplifiers (VGA) that are active at any given time and are switched to generate the four quadrants. Compared to conventional architectures, this structure is more compact and produces double the output amplitude. The design offers 6-bit phase control for 360°, and the total root mean square (RMS) phase and gain errors are 2.36° and 1.46 dB, respectively. The design occupies an area of 1309.4 μm × 1783.8 μm (including pads).

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Mechanical Engineering,Control and Systems Engineering

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