Development of a Data Acquisition System for Kinetic Inductance Detectors: Wide Dynamic Range and High Sampling Rate for Astronomical Observation
Microwave kinetic inductance detectors have a variety of potential applications in astronomical observations. We built a data acquisition system for kinetic inductance detectors combining a dedicated analog board and a commercially available digital board to meet the requirements of astronomical measurements, such as observation of the cosmic microwave background. This paper reports the status of the development of the data acquisition system. We have already achieved simultaneous readout through 120 channels using a direct down-conversion method to decode the signal. A variety of software has been developed and tested using the functionalities of the system and actual detectors.
KeywordsKinetic inductance detector Readout electronics Cosmic microwave background GroundBIRD
This work is supported by Grants-in-Aid for Scientific Research from The Ministry of Education, Culture, Sports, Science and Technology, Japan (KAKENHI Grant Nos. 15H05743, 16J09435), the Center for the Promotion of Integrated Sciences of SOKENDAI, and the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (Grant No. NRF-2017R1A2B3001968). We thank the Research Center for Neutrino Science, Tohoku University, and RIKEN Center for Advanced Photonics for their feedback on the readout system. We also acknowledge support from the Open Source Consortium of Instrumentation (Open-It).
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