I have a couple of Chinese programmable lab power supplies. Both switch mode power supply (SMPS) systems are rated for 110V-220V AC input. But the UNI-T UTP1306 power supply has an input voltage ...
This circuit, designed on request, has proven to be useful to indicate when the voltage in a power supply line is changing from 120V to 240Vac. It can be used in different circumstances and circuits, ...
Trump pulls US from 31 bodies in UN, already in fiscal peril Common food preservatives linked to cancer and type 2 diabetes US trade deficit unexpectedly falls to lowest level since 2009 Trump: ...