1. The ASTRI Camera for the Pathfinder
Universidade de São Paulo
The ASTRI Camera for the Pathfinder
Salvo Scuderi – INAF IASF Milano
for the CTA/ASTRI Project

2. ASTRI Camera procurement
ASTRI cameras for the pathfinder
ASTRI Camera procurement
Tenders
CITIROC 1A
SiPM
Camera Thermomechanics, Electronics
Direct Procurement
Window/Filter
White Rabbit
Camera Server
S. Scuderi – ASTRI 2108 – Catania, 7 – 9 Nov 2018

3. ASTRI cameras for the pathfinder: ASICs
ASICS  procurement of 1010 CITIROC1A
Contract assigned to Weeroc
KOM: 19th of June
Production Plan Review: 1st of August
Qualification phase: completed March 2018
First batch (485 CITIROC 1A) delivered end of October
Final delivery Spring 2019
S. Scuderi – ASTRI 2108 – Catania, 7 – 9 Nov 2018

4. Advanced Drafts ASTRI cameras for the pathfinder: SiPMs
Advanced drafts of applicable documents
Reference document of test procedures needed
Documents ready by the end of year
Advanced Drafts
Open bid with invitation letter by January
S. Scuderi – ASTRI 2108 – Catania, 7 – 9 Nov 2018

5. ASTRI cameras for the pathfinder: SiPMs
Requirements
Pixel size → 7x7 mm → Large FoV (10.5°)
Pixel pitch → 75 µm
Coating → Uncoated
Optical cross talk
Photon Detection Efficiency
S. Scuderi – ASTRI 2108 – Catania, 7 – 9 Nov 2018

6. Final Draft Draft ASTRI cameras for the pathfinder
Final draft of statement of work
Requirement document in preparation
Reference document on camera design in preparation
Reference document on camera control software in preparation
Documents ready by ?
Open bid with invitation letter by ?
Final Draft
Draft
S. Scuderi – ASTRI 2108 – Catania, 7 – 9 Nov 2018

7. ASTRI cameras for the pathfinder
Front Window
Multilayers Filters to reject the red part of the NSB.
Front window
Lids
Thermal Control System
All internal → no chiller
TEC based, heat pipes, sink, fans → Active control
Low power consumption: 450 kW
Photon Detection
Module
Photon Detection Module
SiPM → Hamamatsu LCT5 7x7mm
Front End Electronics
Based on signal shaping not sampling
High gain and low gain channels
Low power consumption (0.3 W/chip)
Low data production (0.05 Gb/s)
Back-End Electronics
Back End Electronics
monolithic board to manage PDMs, camera trigger & ancillary devices
Thermal Control System
Voltage Distribution Board
Power Supply Distribution
External power supply 24V
Voltage distribution board → modular system to provide independent and adjustable power supply to PDM
Camera DAQ & Server
S. Scuderi – ASTRI 2108 – Catania, 7 – 9 Nov 2018