Progress in the development of frequency domain multiplexing for the X-ray Integral Field Unit on board the Athena mission

H. Akamatsu, L. Gottardi, J. van der Kuur +11

Frequency domain multiplexing (FDM) is the baseline readout system for the X-ray Integral Field Unit (X-IFU) on board the Athena mission. Under the FDM scheme, TESs are coupled to…