An overlap-channel polyphase synthesis filter bank implemented on a Xilinx RFSoC generates 2048 probe tones for MKID readout with 4 Hz resolution and better than 10 Hz frequency accuracy, meeting most but not all SNR and bandwidth targets.
Design and performance of densely packed, high-frequency, dual-polarization kinetic inductance detectors for the prime-cam 850 ghz module,
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CCAT: Multi-Rate DSP for Sub-mm Astronomy: Polyphase Synthesis Filter Bank on FPGA for Enhanced MKID Readout
An overlap-channel polyphase synthesis filter bank implemented on a Xilinx RFSoC generates 2048 probe tones for MKID readout with 4 Hz resolution and better than 10 Hz frequency accuracy, meeting most but not all SNR and bandwidth targets.