Tesla Coils, High Voltage and Electronics
The previous owner of this Danish vintage oscilloscope had tried to plug it in and the only result was smoke! I was asked if I wanted it for repair or it would be thrown out. The Radiometer Copenhagen OSG 42b …
This is a short walk-through on deuterium UV lamp theory and a test of the lamp in operation from its rather special power supply. PSU failed. Lamp failed. Complete fail. The lamp comes from the teardown of a Hitachi L7450 …
A talk about various power vacuum, radio or electron tubes, depending on what you like to call them. Triodes, Tetrodes and Pentodes in a range from 10 to 800 Watt plate dissipation. PL36, EL34, 6P45S, PB2/200, PB2/250, QB3/300, 250TH, QB5/2000, …
Teardown of the Siemens Polyphos 30 X-ray head which contains step-up transformers, voltage multipliers and a rotating plate x-ray tube and a lot of oil! Be sure to check out part 2 about the collimator and image plate and part …
The latest update to the 100 Watt 6P45S tube amplifier is about a lot of testing and fault finding that have gone into the tube amplifier. This is to correct noise and hum issues. It is now in a state where the …
The latest update to the 100 Watt 6P45S tube amplifier is about the new printed circuit boards. The circuit boards was installed in the enclosure and a simple signal generator test was performed.
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