一种新型的恒阻抗行波移相器

IEEE 1996 Microwave and Millimeter-Wave Monolithic Circuits Symposium. Digest of Papers Pub Date : 1996-06-17 DOI:10.1109/MCS.1996.506335

R. Kremer, S. Redlich, L. Brings, D. Jager

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引用次数: 0

摘要

提出了一种基于肖特基触点(SCCPL)和共面截面组成的周期共面传输线的新型外可控移相器。器件的建模是通过利用底层/spl pi/-截面的四极表示来进行的。开发了一种用于SCCPL的优化InP-InGaAs-InAlAs层结构，提供外部电子控制。在20 GHz时测量到的相移高达60/spl deg//mm，线阻抗为48/spl plusmn/1.2 /spl Omega/，与理论计算结果吻合良好。

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A novel type of constant impedance traveling wave phase shifter for InP-based MMICs

The paper presents a novel type of externally controllable phase shifter based on periodic coplanar transmission lines consisting of Schottky contact (SCCPL) and coplanar sections on a passive substrate. The modeling of the devices is carried out by utilizing a four-pole representation of the underlying /spl pi/-sections. An optimized InP-InGaAs-InAlAs layer structure for the SCCPL is developed providing an external electronic control. Measured phase shifts up to 60/spl deg//mm at 20 GHz with a line impedance of 48/spl plusmn/1.2 /spl Omega/ agree well with theoretical calculations.

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来源期刊

IEEE 1996 Microwave and Millimeter-Wave Monolithic Circuits Symposium. Digest of Papers

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