Hi, Alex. To be honest, I stolen the “pulse wave power supply” idea from you. I have some few IN-9 tube with defects, even after burning-in for hours, they didn't recover. So I started to google on the internet and found your post that the tube will work with pulse sin wave. Thank you :)
Alex於 2017年4月29日星期六 UTC+8下午4時21分05秒寫道： > > Indeed, I found they worked far better with un-smoothed 50Hz rectified > current limited mains from a variac - putting a cap after the rectifier so > they had smooth(er) DC made them unreliable. > Nice to know this also works with square wave pulsed DC. > > On Saturday, 29 April 2017 05:17:44 UTC+1, start end wrote: >> >> https://youtu.be/mwD-WWELFqY >> >> With DC high voltage power supply, the plasma didn't anchor to the >> bottom. With 50Hz square wave pulse current, the tube worked correctly. >> >> There are many advantages with pulse power supply: >> 1. Saving energy >> 2. Stabilizing the plasma >> 3. Reducing heat emission >> 4. Preventing cathode poisoning >> > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/1a59ddd5-6539-49d9-801a-909b1ae15b81%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
