Latest production performance of L-3 ETI's millimeter wave helix TWTs is reported. L-3 ETI has delivered more than 830 units. The latest high power helix TWT, the 8926HA/B (500W Ka-band), demonstrates ...

The vibration and acoustic behavior of electric machines is an important criterion in the design phase. The impact of the winding and the insulation on the eigenfrequencies, the eigenmodes and the ...