A system that turns brain waves into FM radio signals and decodes them as sound is the first totally wireless brain-computer interface. For now, 26-year-old Erik Ramsey, left almost entirely paralyzed ...

Abstract: This article proposes a simple and efficient half-duplex simultaneous wireless power and data transfer (SWPDT) method using a multi-objective optimized magnetic coupler with high ...

The increasing acceptance of Class D amplifiers has helped them gain market share from their linear Class AB brethren. That acceptance is no surprise; the advantages of Class D amplifiers are legion, ...

While choosing an op-amp buffer for a new high-resolution single-supply DAC, a source of negative supply was considered because the buffer op-amp had to provide true zero voltage on its output. Wow ...

China’s integrated circuit (IC) output increased 8.7 per cent year on year to 37.6 billion units in November, as growth slows amid an intensifying US-China tech war and escalating chip restrictions.

Abstract: This paper presents a noise suppression circuit for electret condenser microphones (ECMs). In ECMs, electrical noise from the power supply and transmission line tends to be superimposed on ...