In order to increase reliability, two pieces of the FU-0Z type tetrode tube in series were used and each tube can stand the maximum static DC voltage.
In order to increase reliability, two pieces of the FU-0Z type tetrode tube in series were used and each tube can stand the maximum static DC voltage.
为增加可靠性,使用两只FU-0Z真空四极管串联,每一只均能承受最高直流静态电压。