发明授权
US4138625A Helix type travelling-wave tube amplifier 失效
螺旋式行波管放大器

Helix type travelling-wave tube amplifier
摘要:
A band-rejection filter which rejects harmonic components of the fundamental frequency of the output of a helix type travelling-wave tube is built into the connection of the output connection from the tube to its external circuit. A wide variety of specific filter structures are disclosed.
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