Abstract: This paper presents a hybrid digital-to-analog converter (DAC) architecture with a tunable bandpass delta-sigma modulator (DSM) to synthesize channelized signals over a wide frequency range ...
Astell & Kern is ending 2025 with a bang by launching two new products: the "small-but-mighty" HC5 USB DAC and the high-end Stella wired in-ear headphones. Following on from 2023's HC4 model, the new ...
Abstract: For current-steering digital-to-analog converters (DACs), a technique utilizing dynamic-element-matching and digital return-to-zero, called DEMDRZ, is proposed to simultaneously suppress the ...