JPS6364105U

JPS6364105U -

Info

Publication number: JPS6364105U
Application number: JP15702086U
Authority: JP
Priority date: 1986-10-14
Filing date: 1986-10-14
Publication date: 1988-04-27

Description

[Brief explanation of the drawing]

第１図は、本考案に係るマイクロ波発振器の分
解斜視図、第２図ａ，ｂは、発振周波数の調整状
態を示したマイクロ波発振器の説明図、第３図は
、電子回路が組み込まれたプリント基板を示す平
面図、第４図は、蓋体の取り付け位置変化によつ
て調整される周波数の調整範囲を示したグラフ、
第５図ａ〜ｄは、蓋体の回転による膨出部と誘電
体共振器との相対的な位置関係を示す説明図、第
６図は膨出部の変更例を示した斜視図、第７図は
プリント基板の取り付け変更例を示した断面図、
第８図は従来のマイクロ波発振器の構造を示す断
面図である。１……筐体、２……蓋体、３……ねじ孔、４…
…電源用端子、５……出力端子、６……電子回路
、６ａ……プリント基板、６ｂ……発振用トラン
ジスタ、６ｃ……抵抗、６ｄ……コンデンサ、６
ｅ……ストリツプライン、７……誘電体共振器、
７ａ……台座、８……長孔、９……窪み部、９ａ
……薄板、１０……取り付けねじ、１０ａ……固
定用ビス、１１……調整ねじ。 Figure 1 is an exploded perspective view of the microwave oscillator according to the present invention, Figures 2a and b are explanatory diagrams of the microwave oscillator showing the adjustment state of the oscillation frequency, and Figure 3 is an exploded perspective view of the microwave oscillator according to the present invention. FIG. 4 is a graph showing the frequency adjustment range that is adjusted by changing the mounting position of the lid;
5A to 5D are explanatory diagrams showing the relative positional relationship between the bulge and the dielectric resonator due to the rotation of the lid, FIG. 6 is a perspective view showing an example of modification of the bulge, and FIG. Figure 7 is a cross-sectional view showing an example of changing the mounting of the printed circuit board.
FIG. 8 is a sectional view showing the structure of a conventional microwave oscillator. 1... Housing, 2... Lid, 3... Screw hole, 4...
... Power supply terminal, 5 ... Output terminal, 6 ... Electronic circuit, 6a ... Printed circuit board, 6b ... Oscillation transistor, 6c ... Resistor, 6d ... Capacitor, 6
e...Stripline, 7...Dielectric resonator,
7a... Pedestal, 8... Long hole, 9... Recessed part, 9a
...Thin plate, 10...Mounting screw, 10a...Fixing screw, 11...Adjustment screw.

Claims

[Claims for Utility Model Registration] 1. A dielectric resonator is disposed approximately in the center of the housing, and a bulge portion with a height difference is formed on the inner surface at approximately the center of the lid covering the upper surface of the housing, A microwave oscillator characterized in that the attachment position of the lid can be changed depending on the relative positional relationship between the bulge and the dielectric resonator. 2. The microwave oscillator according to claim 1, wherein the lid has a long hole for screw insertion, and the mounting position can be moved within the range of the long hole. 3. The microwave oscillator according to claim 1 or 2, wherein the bulging portion is a protruding outer surface of a recessed portion formed by punching out a thin plate-like lid into a bowl shape. 4. The microwave oscillator according to claim 1 or 2, wherein the bulging portion is a wedge-shaped metal thin plate integrally provided on the back surface of the lid.