The project utilizes junk parts such as EF80, EF184, and EF91 to create a toy oscilloscope that is fully functional along with an old 7cm CRT that is powered using a DC-DC converter. There are 3 ...

Modern power supplies are edging upward in operational frequency. The benefits include a reduction in size and weight, plus an increase in energy density. For these designs, engineers are migrating to ...

I wish I had a scope. I used to design and build all kinds of stuff when I was at school, but since then I haven't built much, mainly due to a lack of a decent scope. I'm just too cheap to buy one ...