Avago Technologies has developed an optically isolated 1-bit, 2nd order Sigma-Delta (∑-∆) modulator device, the ACPL-C797T. This device converts an analog input signal into a high speed data stream ...

A sound amplification technique from SLS Loudspeakers (Springfield, MO) promises to reduce the size and cost of high-power, professional quality speakers. The approach, dubbed Evenstar, uses a pair of ...