MAGNETRON
FIELD: electrical engineering. ^ SUBSTANCE: invention relates to vacuum electronics, particularly magnetrons, including coaxial magnetrons. The magnetron has a resonator system and a detachable waveguide output, which includes an output waveguide and a matching waveguide transformer, including a sec...
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Zusammenfassung: | FIELD: electrical engineering. ^ SUBSTANCE: invention relates to vacuum electronics, particularly magnetrons, including coaxial magnetrons. The magnetron has a resonator system and a detachable waveguide output, which includes an output waveguide and a matching waveguide transformer, including a sectional, with separation of the output waveguide and the transformer, or transformer section, or output waveguide and a transformer section, from each other by gaps. Dimensions of the gaps in the direction of the energy output axis are much less than a quarter of the operating wavelength. To eliminate effect of the gaps on electrodynamic matching parameters there are high-frequency short-circuiting impedance coils at the ends of the gaps, for example in form of open quarter-wave waveguide or double-wire sections, obtained from making dimensions of the gaps in directions across the energy output axis closer to a quarter of the operating wavelength and by making disconnecting cavities around the gaps with dimensions significantly larger than dimensions of the gaps in the direction of the energy output axis. ^ EFFECT: such a design of the magnetron allows for maintaining its integrity when external conditions change, including prevention of deformation or violation of vacuum tightness, as well as elimination of effect of manufacturing errors of the resonator system, and energy output on electrodynamic parameters of the magnetron models and provision for their more optimal values through selection of dimensions of separate sections of the matching transformer based on results of electrodynamic control of the model at its final assembling stage. ^ 2 tbl, 4 dwg
Изобретение относится к электровакуумной электронной технике, в частности к магнетронам, в том числе коаксиальным. Магнетрон содержит резонаторную систему и сборно-разборный волноводный вывод энергии, включающий выходной волновод и согласующий волноводный трансформатор, в том числе секционный, с разделением выходного волновода и трансформатора, или секций трансформатора, или выходного волновода и секций трансформатора друг от друга зазорами. Размер зазоров в направлении оси вывода энергии выполняется много меньшим четверти рабочей длины волны, при этом для устранения влияния зазоров на электродинамические параметры согласования на торцах зазоров расположены высокочастотные короткозамыкающие дроссели, например, в виде разомкнутых четвертьволновых волноводных или двухпроводных отрезков, полученных выполнением разм |
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