Abstract: This paper introduces a measurement system for the complex permittivity of materials in the $50-11 0~GHz$ range based on an open resonator approach. The resonator employs a plane-concave ...
Abstract: Class-D audio amplifiers with a digital feedback path are advantageous when from a digital audio input. The input DAC, which needs to support the full audio resolution, is avoided. A digital ...
Successful group work in middle and high school requires thoughtful design. These strategies help teachers structure collaboration so every student contributes—and learns.
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