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UPSs are great for securing your work and equipment from power line surges and blackouts. They work to provide clean and stable power to electronics equipment such as computers, communications and medical devices. Here are some good reference designs...
Linear regulators like LM317, LM337, 78xx and 79xx, Zener diodes (1.3W) and reference diodes (e.g., LM336) are quite inexpensive and widely available. So you can use these liberally in power supplies. Here we design a universal power supply or...
The new Liebert® GXT MT+ CX 1/2/3 KVA Online UPS offers efficiency up to 97 percent. The availability of the true double conversion online back-up power feature on this new UPS system makes it a reliable and uninterruptible power supply...