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本文介绍集成鳍线的一些特性。鳍线是一种适宜于批量生产的低损耗传输线。在毫米波频段,它与微带线相比有以下几方面的优点:鳍线对加工精度的要求比较低,对辐射和高次模的传播有较大的抑制能力,与混合器件的兼容性比较好,与波导仪器的接口比较简单等。本文举一些固态和无源部件的例子,以说明鳍线在毫米频段的潜在地位。这些例子中包括有一个PIN二极管衰减器,用以表明鳍线构成低损耗半导体部件的能力。亦讨论了一个四极点带通滤波器,其性能与理论非常一致。
This article describes some of the features of integrated fin lines. Fin wire is a low-loss transmission line suitable for mass production. In the millimeter-wave frequency band, it has the following advantages compared with the microstrip line: the fin wire has lower machining accuracy requirements, greater suppression of the radiation and the propagation of the high-order mode, compatibility with the hybrid device Better, the interface with the waveguide instrument is relatively simple and so on. Here are some examples of solid-state and passive components to illustrate the potential of the fin line in the millimeter band. These examples include a PIN diode attenuator to demonstrate the ability of the fin wire to form low loss semiconductor components. Also discussed is a quadrupole band-pass filter, whose performance is very much in line with theory.