Excessive Energy Radiofrequency Strong State Amplifiers

ELTA has benefited from a switch of expertise from SOLEIL, the place the elementary constructing blocks had been certified. For this project, SOLEIL developed a brand new RF module utilizing the newest sixth era LDMOS-FET (BLF578 from NXP), which allowed a doubling of the nominal power of the essential rf amplifiers module from 330 W in the present SOLEIL amplifiers to 650 W for the ESRF amplifiers (Determine 163). By combining the facility from 128 such RF modules, a single coaxial combiner tree or „tower“ delivers greater than seventy five kW. Only two such towers are needed to construct a 150 kW amplifier.

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Because the transistor should have the stabilization circuit as a part of itself before contacting the outside world, the stabilization circuit must come earlier than the matching circuit. The transistor with the stabilizing circuit is a „new“ transistor within the eyes of the skin world. It attained stability by making sure „sacrifices.“ The circuit stabilization mechanism can guarantee the transistor’s smooth and regular operation.

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