Electronics and data acquisition demonstrator for a kinetic inductance camera

Details Electronics and data acquisition demonstrator for a kinetic inductance camera Electronics and data acquisition demonstrator for a kinetic inductance camera

2011-02-07

arxiv.org/abs/1102.1314v3

2011 JINST 6 P06012

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

Scientific paper

10.1088/1748-0221/6/06/P06012

A prototype of digital frequency multiplexing electronics allowing the real time monitoring of kinetic inductance detector (KIDs) arrays for mm-wave astronomy has been developed. It requires only 2 coaxial cables for instrumenting a large array. For that, an excitation comb of frequencies is generated and fed through the detector. The direct frequency synthesis and the data acquisition relies heavily on a large FPGA using parallelized and pipelined processing. The prototype can instrument 128 resonators (pixels) over a bandwidth of 125 MHz. This paper describes the technical solution chosen, the algorithm used and the results obtained.

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