PVMATE

Signal generators; telephone transmission line testers; Asymmetric Digital Subscriber Line (ADSL) testers, namely, telephone transmission line testers; programmable power supplies; function generators for testing logic circuits, linear amplifiers, wireless communication systems and electronic experimental circuits for teaching; power harmonic analyzers for testing the power consumption of an appliance, the efficiency of an appliance and the quality of a power system; rectifiers; electrical inverters; silicon wafers; photovoltaic cells; photovoltaic modules; photovoltaic power system comprising photovoltaic modules, mono-crystalline silicon solar cells, multi-crystalline silicon solar cells; grid-connected sine wave inverters