SL-UV4U, Китай, в работе
На постоянном токе. Заметно что минусовое "колено" светится ярче. Эмиссия при этом идет изнутри спиральки. Как это и должно быть у холоднокатодных ламп (как в тех же газосветных трубках для реклам). Ток устанавливался на уровне 0,5мА, падение напряжения было около 280В, пробивное напряжение - примерно 1200В.
- Раздел: Хобби
- Дата съёмки: неизвестно
- Дата загрузки фото: 29.07.2023 15:58
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