Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/127120
Title: A 17.8–20.2 GHz Compact Vector-Sum Phase Shifter in 130 nm SiGe BiCMOS Technology for LEO Gateways Receivers
Authors: Del Pino Suárez, Francisco Javier
Lalchand Khemchandani, Sunil
San Miguel Montesdeoca, Mario
Mateos Angulo, Sergio
Mayor Duarte, Daniel
Saiz Pérez, José Luis
Galante Sempere, David
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: Phased array
SiGe
Vector modulator (VM)
Vector-sum phase shifter (VSPS)
Issue Date: 2023
Journal: Micromachines 
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 (Formula presented.) m × 1783.8 (Formula presented.) m (including pads).
URI: http://hdl.handle.net/10553/127120
ISSN: 2072-666X
DOI: 10.3390/mi14061184
Source: Micromachines [ISSN 2072-666X], v. 14(6), 1184, mayo 2023
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