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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.