Design and prototyping of the Italian Tile Processing Module 1.6 (ITPM) for the low-frequency aperture array deployment
Date Issued
2020
Author(s)
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Chiello, Riccardo
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Magro, Alessio
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Pastore, Sandro
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Zarb Adami, Kris
Abstract
A novel version of digital hardware Italian Tile Processing Module (ITPM) 1.6 has been released for the Low-Frequency Aperture Array (LFAA) component of the Square Kilometre Array (SKA). This back-end includes two plugged-in main blocks, as an analog device , the Pre-ADU board, and an Analog to Digital Unit (ADU), a 6U board containing sixteen dual-inputs Analog to Digital Converters and two Field Programmable Gate Array (FPGA) devices, capable of digitizing and processing 32 RF input signals (50-650 MHz). We present the main features of the upgrade of the board compared to previous versions: there are new and high performance components improving processing capability, mechanical changes matching the design of the housing sub-rack and finally a general reduction of the overall power consumption. The ITPM ADU 1.6 version, now in engineering phase together with its sub-rack system, is currently the last prototype before the design of the industrial line for mass production, necessary for the LFAA deployment. Results of system performances will be presented.
Coverage
Ground-based and Airborne Instrumentation for Astronomy VIII
All editors
Marshall, Heather K.; Spyromilio, Jason; Usuda, Tomonori
Series
Volume
11445
Start page
1144574
Issn Identifier
0277-786X
Ads BibCode
2020SPIE11445E..74S
Rights
open.access
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