Nikel: Electronics and Data Acquisition for Kilopixels Kinetic Inductance Camera

A prototype of digital frequency multiplexing electronics allowing the real time monitoring of microwave kinetic inductance detector (MKIDs) arrays for mm-wave astronomy has been developed. Thanks to the frequency multiplexing, it can monitor simultaneously 400 pixels over a 500MHz bandwidth and requires only two coaxial cables for instrumenting such a large array. The chosen solution and the achieved performances are presented in this paper.