All items tagged with Power and Power Supplies (224)

| An increasing number of appliances draw a very small current from the power supply. If you need to design a mains-powered device, you could...

| A common problem when an AC mains adapter is used to power a USB device is that the voltage does not match the nominal 5 V specified by the...

| The faithful companion of every electronics fan is his laboratory power supply. It’s always ready when you need it, it can provide the right...

| Little-known but still highly interestingThe topology of the Cuk converter was first published in the 1980s, but it is rarely encountered in...

| PC power supplies can often be bought cheaply at places such as computer fairs. But it isn’t that easy to check if such a (second hand) powe...

| Designing a power supply for one of your circuits can beplain sailing but also turn out to be a surprisingly complex job.Switch-mode power s...

| More and more equipment is sold that runs off internal rechargeable batteries. Although a matching charger is usually supplied in the packag...

| As already mentioned in the previous parts of this article, this final amp needs more than just a heavy-duty symmetrical power supply. In th...

| Inexpensive miniature transformers normally provide one or two secondary voltages, which is sufficient for generating a set of positive and...

| Small switch-mode power supplies are often available at a low price from jumble sales, electronics surplus outlets and high street electroni...