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sound amplifier chip LAM508

A two-channel audio power amplifier can be assembled on the LAM508 integrated circuit. The output power of the amplifier shown in the figure is 2×180 mW. Such a low-power stereo amplifier is powered by a low DC voltage of the order of 2-6 AT. Основные технические характеристики интегральной микросхемы УМЗЧ LAM508 представленыContinue Reading

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Cable Finder based on computer power supply

More often, power supply unit "second life" as prepared for laboratory PSUs, power supplies and battery chargers stations starter batteries. But other than that, they were found and another application. As described in [1] device to search for the cable… Continue Reading

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Limiting the charging current of the capacitor bank

Known circuit limits the charging current of capacitors or too complex [1], or thin [2], or reduce the efficiency of the plant [3], or, having in its composition additional switching elements, require certain devices enable algorithm. The proposed version of the stop of the charging current but not different… Continue Reading

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Dryer manicure type "Veronica"

The paper design UV dryers is described in detail for the nail varnish. Currently, among the young women have become popular in the dryer for manicure UV lamps, which significantly accelerate its drying. The trading network is a wide range of different designs and manufacturers. AT… Continue Reading