JPS6273603U

JPS6273603U -

Info

Publication number: JPS6273603U
Application number: JP16522285U
Authority: JP
Priority date: 1985-10-28
Filing date: 1985-10-28
Publication date: 1987-05-12

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例によるマイクロ波
発振器の斜視図、第２図は第１図に示したマイク
ロ波発振器の断面図、第３図は従来の構成による
マイクロ波発振器の斜視図、第４図は第３図に示
したマイクロ波発振器の断面図、第５図は第１図
〜第４図に示したマイクロ波発振器の等価回路で
ある。図中、１は誘電体共振器、２はアルミナセラミ
ツク基板、３は接地電極、４は５０Ω終端抵抗、
５ａ，５ｂ，５ｃ，５ｄ，５ｅはマイクロストリ
ツプ線路、６は電界効果トランジスタのゲート電
極、７は電界効果トランジスタのソース電極、８
は電界効果トランジスタのドレイン電極、９は電
界効果トランジスタ、１０ａ，１０ｂは出力整合
用スタブ、１１は出力端子、１２は誘電体共振器
固定凹部である。なお、図中同一あるいは相当部
分には同一符号を付して示してある。 FIG. 1 is a perspective view of a microwave oscillator according to an embodiment of the invention, FIG. 2 is a sectional view of the microwave oscillator shown in FIG. 1, and FIG. 3 is a perspective view of a microwave oscillator with a conventional configuration. FIG. 4 is a sectional view of the microwave oscillator shown in FIG. 3, and FIG. 5 is an equivalent circuit of the microwave oscillator shown in FIGS. 1 to 4. In the figure, 1 is a dielectric resonator, 2 is an alumina ceramic substrate, 3 is a ground electrode, 4 is a 50Ω terminating resistor,
5a, 5b, 5c, 5d, 5e are microstrip lines, 6 is a gate electrode of a field effect transistor, 7 is a source electrode of a field effect transistor, 8
1 is a drain electrode of a field effect transistor, 9 is a field effect transistor, 10a and 10b are output matching stubs, 11 is an output terminal, and 12 is a dielectric resonator fixing recess. It should be noted that the same or corresponding parts in the drawings are designated by the same reference numerals.

Claims

[Scope of utility model registration request]

In a microwave integrated circuit consisting of a microwave circuit constructed using a microstrip line on a dielectric substrate and a dielectric resonator mounted on the surface of the dielectric substrate, A microwave integrated circuit characterized in that a recess is provided for fitting and fixing the dielectric resonator.