JPS60163805U

JPS60163805U - Microstrip line crossing type 3dB directional coupler

Info

Publication number: JPS60163805U
Application number: JP5017484U
Authority: JP
Inventors: 土子　昭
Original assignee: 三菱電機株式会社
Priority date: 1984-04-05
Filing date: 1984-04-05
Publication date: 1985-10-31

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のマイクロストリップ線路交差型ｍ方向性
結合器の導体パターンを示す図、第２図は交差型）Ｂ方
向性結合器の使用例としてバランス型増幅器の構成を示
す図、第３図はこの考案の特徴をなすマイクロストリッ
プ線路交差型３ｄＢ方向性結合器の導体パターンを示す
図、第４図は第３図の等節回路を示す図である。図において１〜４は入出力端子、５はエア・ブリッジ、
６は結合部、７は交差型３ｄＢ方向性結合器、８は抵抗
、９は４分の１波長の電気長を持つマイクロストリップ
線路、１０は終端器、１１は能動素子、１２は入力整合
回路、１３は出力整合回路、１４はバイアス回路、１５
は直流成分しゃ断回路である。なお各図中間−あるいは
相当部分には同一符号を付して示しである。Fig. 1 is a diagram showing the conductor pattern of a conventional microstrip line crossing type m directional coupler, Fig. 2 is a diagram showing the configuration of a balanced amplifier as an example of the use of a crossing type B directional coupler, and Fig. 3 The figure shows a conductor pattern of a microstrip line crossing type 3 dB directional coupler which is a feature of this invention, and FIG. 4 is a diagram showing the isochoric circuit of FIG. 3. In the figure, 1 to 4 are input/output terminals, 5 is an air bridge,
6 is a coupling section, 7 is a cross-type 3 dB directional coupler, 8 is a resistor, 9 is a microstrip line with an electrical length of 1/4 wavelength, 10 is a terminator, 11 is an active element, 12 is an input matching circuit , 13 is an output matching circuit, 14 is a bias circuit, 15
is a DC component cutoff circuit. In addition, the same reference numerals are attached to the middle or corresponding portions in each figure.

Claims

[Scope of utility model registration request]

In a microstrip line crossing type 3cB directional coupler, a terminator consisting of a resistor and an open-ended line with an electrical length of 1/4 wavelength is connected to one end, and the main line of the directional coupler is terminated. A microstrip line crossing type 3dB directional coupler characterized in that it is constructed of open parallel two-wire coupled lines.