Migatronic FocusStick 161E Stick Welder Teardown
A teardown of a Migatronic FocusStick 161E stick welder. I take apart and show the current paths of the system. This stick welder is adjustable from 20 to 160 Ampere. … Read More
A teardown of a Migatronic FocusStick 161E stick welder. I take apart and show the current paths of the system. This stick welder is adjustable from 20 to 160 Ampere. … Read More
Introduction I have here a circuit analysis of a 2100 MHz cellular amplifier from a UMTS basestation setup. The initial teardown video can be found in Nokia Siemens 3G Flexi … Read More
Finally the long awaited test happened (you can read all posts about the PFC here) We plugged it into the 3 phase outlet and it started up normally! When smashed … Read More
Another problem I have with the cabin heater testing (And the PFC testing ) is that the PFC is not designed to start up into a load. This isn’t a … Read More
I thought I’d better test the characteristics of the PTC elements in a scientific manner as opposed to just applying 750V DC from the PFC and seeing what happens. When … Read More
I needed a high power dummy load that was a bit more health and safety friendly than my bucket of immersion heaters. I investigated lots of possibilities until I eventually … Read More
Having a traveling Tesla coil show means having to understand other stage technologies. One often encountered issue is the effect that our machine’s EMI can have on DMX stage lighting. Before … Read More