JPS5956828U - Double-tuned bandpass filter - Google Patents
Double-tuned bandpass filterInfo
- Publication number
- JPS5956828U JPS5956828U JP14856582U JP14856582U JPS5956828U JP S5956828 U JPS5956828 U JP S5956828U JP 14856582 U JP14856582 U JP 14856582U JP 14856582 U JP14856582 U JP 14856582U JP S5956828 U JPS5956828 U JP S5956828U
- Authority
- JP
- Japan
- Prior art keywords
- double
- bandpass filter
- tuned bandpass
- coils
- tuned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Filters And Equalizers (AREA)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はＣＡＴＶコンバータの基本構成を示すブロック
図、第２図は本考案の複同調形帯域フィルタの一実施例
斜視図、第３図および第４図は第２図図示実施例におけ
る周波数特性、第５図は本考案を適用した第１図図示Ｃ
ＡＴＶコンバータにおけるビニト・ウィズイン発生状態
を説明するための説明図を示す。
図中、１は入力端子、２は入力フィルタ、３は第１混合
器、４は第１局部発振器、５は中間周波フィルタ、６は
中間周波増幅器、７は第２混合器、８は第２局部発振器
、９は出力フィルタ、１０は出力端子、１１および１２
は同調コイル、１３は結合用シールド板、１４はリード
線、１５は筐体を表わす。Fig. 1 is a block diagram showing the basic configuration of a CATV converter, Fig. 2 is a perspective view of an embodiment of the double-tuned bandpass filter of the present invention, and Figs. 3 and 4 are frequency characteristics of the embodiment shown in Fig. 2. , FIG. 5 is a diagram C shown in FIG. 1 to which the present invention is applied.
FIG. 2 is an explanatory diagram for explaining the state of occurrence of binoto-within in an ATV converter. In the figure, 1 is an input terminal, 2 is an input filter, 3 is a first mixer, 4 is a first local oscillator, 5 is an intermediate frequency filter, 6 is an intermediate frequency amplifier, 7 is a second mixer, and 8 is a second Local oscillator, 9 is an output filter, 10 is an output terminal, 11 and 12
13 is a tuning coil, 13 is a coupling shield plate, 14 is a lead wire, and 15 is a housing.
Claims (1)
ルが収納される筐体と、上記２つのコイルの結合度を決
めるものであって該２つのコイルの間にもうけられるシ
ールド板とをそなえた複同調形フィルタにおいて、上記
シールド板から上記結合度を決める開窓に向って突出せ
しめられた窓片をそなえるように構成されている三とを
特徴とする複同調形帯域フィルタ。It has two coils that are electrically coupled to each other, a casing in which the two coils are housed, and a shield plate that determines the degree of coupling between the two coils and is provided between the two coils. 3. A double-tuned bandpass filter, characterized in that the double-tuned bandpass filter is configured to include a window piece projecting from the shield plate toward the fenestration that determines the degree of coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14856582U JPS5956828U (en) | 1982-09-30 | 1982-09-30 | Double-tuned bandpass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14856582U JPS5956828U (en) | 1982-09-30 | 1982-09-30 | Double-tuned bandpass filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5956828U true JPS5956828U (en) | 1984-04-13 |
| JPS6230326Y2 JPS6230326Y2 (en) | 1987-08-04 |
Family
ID=30330042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14856582U Granted JPS5956828U (en) | 1982-09-30 | 1982-09-30 | Double-tuned bandpass filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5956828U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5245148U (en) * | 1975-09-26 | 1977-03-30 |
-
1982
- 1982-09-30 JP JP14856582U patent/JPS5956828U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5245148U (en) * | 1975-09-26 | 1977-03-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6230326Y2 (en) | 1987-08-04 |
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