All items tagged with Power Supplies and Power & Energy (51)

| When making voltage, current and power measurements on AC-powered devices things are getting more complicated than measuring DC, because wav...

| This universal high-voltage power supply is capable of providing power to valve circuits. It can also be used to trace the characteristics c...

| When you have just started with electronics as a (fascinating) hobby, you will not yet have a well-equipped home lab with all the nice equip...

| It’s well known that electronics engineers never have enough power supplies. I’m no exception to this rule, as you can see from a photo of t...

| The sudden death of my faithful lab power supply offered a good opportunity to try out the affordable PeakTech PSU 6225 A which has similar...

| An adjustable voltage/current source for use as a battery charger or a dedicated power supply is a practical tool for any electronics labora...

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| How much power does my connected device use? Does its sleep mode conform to the manufacturer's documentation? How long will the CR2032 batte...

| In his article published in the July & August 2016 issue Elektor author Alfred Rosenkränzer presented a wonderfully simple differential prob...

| A few years ago, Elektor published a 30-V, 3-A adjustable benchtop power supply dubbed UniLab2. To keep the total outlay down, it had a rath...

| Benchtop power supplies with power transformers are heavy and expensive, especially when designed to supply a few hundred watts. Furthermore...