Dortmund 2021 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 85: Silicon Strip Detectors II
T 85.2: Vortrag
Donnerstag, 18. März 2021, 16:15–16:30, Tj
A Test Card for Service Hybrids of CMS silicon strip modules — Christian Dziwok2, Lutz Feld1, Waclaw Karpinski1, Katja Klein1, Martin Lipinski1, Daniel Louis1, •Alexander Pauls1, Oliver Pooth2, Michael Wlochal1, and Tim Ziemons2 — 11. Physikalisches Institut B, RWTH Aachen — 23. Physikalisches Institut B, RWTH Aachen
The CMS Collaboration is developing silicon strip modules for the second phase of the CMS tracker upgrade. This upgrade will enable the CMS experiment to utilize the high luminosity provided by the future HL-LHC. The modules' Service Hybrids are responsible for the high and low voltage distribution on the module and the data transmission via optical links to the back-end electronics. During the production a test system for roughly 20,000 Service Hybrids will be needed. The design of a test card compatible with a common infrastructure for CMS hybrid qualification during series production is presented. It features a USB controlled micro controller for slow control monitoring, control and readout. The hybrid's e-links are tested via a connected FC7 advanced mezzanine card, while the test card provides the necessary buffers and level translators. Measurement results of the commissioning are presented.