WEST LAFAYETTE, Ind. – Purdue University researchers have developed transistor technology that shows potential for improving computers and mobile phones. The researchers created a new technology ...

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The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor (see the figure). It starts charging ...

Avoid unexpected shutdowns in your 9-V-powered projects with this simple low-battery indicator circuit. It uses just a ...