Résumé
ALTIROC1 is a 25-channel ASIC designed to read out the 5 x 5 matrix of 1.3 mm x 1.3 mm x 50 µm Low Gain Avalanche Diodes (LGAD) of the ATLAS HGTD detector foreseen for the HL-LHC upgrade. The targeted combined time resolution of the sensor and the readout electronics is from 40 ps/hit (initial) to about 80 ps/hit (end of operational lifetime). Each ASIC channel integrates a RF preamplifier followed by a high speed discriminator and two TDCs for Time-of-Arrival and Time-Over-Threshold measurements as well as a local memory. This front-end must exhibit an extremely low jitter noise while keeping a challenging power consumption of less than 4.5 mW. Detailed measurements are presented.
| langue originale | Anglais |
|---|---|
| journal | Proceedings of Science |
| Volume | 370 |
| état | Publié - 1 janv. 2019 |
| Modification externe | Oui |
| Evénement | 2019 Topical Workshop on Electronics for Particle Physics, TWEPP 2019 - Santiago de Compostela, Espagne Durée: 2 sept. 2019 → 6 sept. 2019 |
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