JPH03115408U

JPH03115408U -

Info

Publication number: JPH03115408U
Application number: JP2466290U
Authority: JP
Priority date: 1990-03-12
Filing date: 1990-03-12
Publication date: 1991-11-28

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す斜視図であ
る。第２図は第１図実施例のケースに伝送線路、
λ／２誘電体同軸共振器および増幅回路を収納し
た状態を示す平面図である。第３図は伝送線路に
λ／２誘電体同軸共振器を結合した状態を示す図
解図である。第４図は結合端子を示す斜視図であ
る。第５図はλ／２誘電体同軸共振器と増幅回路
とを結合した状態を示す図解図である。第６図は
この実施例に従つてアクテイブトラツプフイルタ
を構成した状態を示す図解図である。第７図は伝
送線路の変形例を示す斜視図である。第８図は伝
送線路の他の変形例を示す断面図である。第９図
は多段フイルタの一体化ケースを示す図解図であ
る。第１０図は誘電体同軸共振器をバンドパスフ
イルタとして用いる状態を示す図解図である。第
１１図、第１２Ａ図および第１２Ｂ図は、従来技
術を示す図解図であり、第１１図は回路図、第１
２Ａ図は斜視図、第１２Ｂ図は断面図である。第
１３図は他の従来技術を示す分解斜視図である。図において、１０はアクテイブ共振器用ケース
、１２は下板、１４は側板、４０はλ／２誘電体
同軸共振器、４６は増幅回路基板、６０は蓋を示
す。 FIG. 1 is a perspective view showing an embodiment of this invention. Figure 2 shows a transmission line in the case of the embodiment in Figure 1.
FIG. 2 is a plan view showing a state in which a λ/2 dielectric coaxial resonator and an amplifier circuit are housed. FIG. 3 is an illustrative diagram showing a state in which a λ/2 dielectric coaxial resonator is coupled to a transmission line. FIG. 4 is a perspective view showing the coupling terminal. FIG. 5 is an illustrative diagram showing a state in which a λ/2 dielectric coaxial resonator and an amplifier circuit are coupled. FIG. 6 is an illustrative view showing the configuration of an active trap filter according to this embodiment. FIG. 7 is a perspective view showing a modification of the transmission line. FIG. 8 is a sectional view showing another modification of the transmission line. FIG. 9 is an illustrative view showing an integrated case of multi-stage filters. FIG. 10 is an illustrative diagram showing a state in which a dielectric coaxial resonator is used as a bandpass filter. 11, 12A, and 12B are illustrative views showing the prior art; FIG. 11 is a circuit diagram;
2A is a perspective view, and FIG. 12B is a sectional view. FIG. 13 is an exploded perspective view showing another conventional technique. In the figure, 10 is an active resonator case, 12 is a lower plate, 14 is a side plate, 40 is a λ/2 dielectric coaxial resonator, 46 is an amplifier circuit board, and 60 is a lid.

Claims

[Claims for Utility Model Registration] An active resonator case incorporating a resonator and an amplifier circuit board coupled to the resonator, on which the resonator and the amplifier circuit board are fixedly supported. a lower plate; a side plate that integrally stands up from a pair of opposing edges of the lower plate and has at least the same height as the resonator; and a side plate that is mechanically fixed to and electrically connected to the upper edge of the side plate. Active resonator case with a lid.