JPS6085420U - high frequency filter - Google Patents
high frequency filterInfo
- Publication number
- JPS6085420U JPS6085420U JP17746283U JP17746283U JPS6085420U JP S6085420 U JPS6085420 U JP S6085420U JP 17746283 U JP17746283 U JP 17746283U JP 17746283 U JP17746283 U JP 17746283U JP S6085420 U JPS6085420 U JP S6085420U
- Authority
- JP
- Japan
- Prior art keywords
- parallel circuit
- series
- capacitor
- predetermined frequency
- high frequency
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は通常のスーパー・ヘテロダイン方式を説明する
為の要部ブロック図、第２図乃至第４図は従来例を説明
する為の要部回路図、第５図は帯域濾波器の周波数対減
衰度特性を表す線図、第６図は本考案−実施例の要部斜
面図、第７図は本考案−実施例の要部回路図である。
図に於いて、１は入力端子、２はミキサ、３は局部発振
器、４は帯域減衰器、５は出力端子、６は帯域濾波器入
力端、７はコンデンサ、８，９゜１０はコイル、１１は
第２のコンデンサ、１２は第１のコンデンサ、１３はコ
イル、１４．１５はコンデンサ、１６はコイル、１７は
コンデンサ、１９．２０はコンデンサ、２１はコイル、
２２はコンデンサ、２３はプリント基板、２４はアース
棒、２５は導電パターン、２６は接地パターンである。Figure 1 is a block diagram of the main parts to explain the normal super-heterodyne system, Figures 2 to 4 are circuit diagrams of the main parts to explain the conventional example, and Figure 5 shows the frequency relationship of the bandpass filter. FIG. 6 is a diagram showing the attenuation characteristic, FIG. 6 is a perspective view of the main part of the present invention-embodiment, and FIG. 7 is a circuit diagram of the main part of the present invention-embodiment. In the figure, 1 is an input terminal, 2 is a mixer, 3 is a local oscillator, 4 is a band-pass attenuator, 5 is an output terminal, 6 is a band-pass filter input terminal, 7 is a capacitor, 8, 9 degrees, 10 is a coil, 11 is a second capacitor, 12 is a first capacitor, 13 is a coil, 14.15 is a capacitor, 16 is a coil, 17 is a capacitor, 19.20 is a capacitor, 21 is a coil,
22 is a capacitor, 23 is a printed circuit board, 24 is a grounding rod, 25 is a conductive pattern, and 26 is a grounding pattern.
Claims (1)
ン及び接地パターンと、所定周波数に共振する第１のコ
ンデンサ及びコイルの並列回路と該並列回路に直列接続
された第２のコンデンサとからなり前記導電パターン及
び接地パターンの間に挿入設置され前記所定周波数より
低い周波数に於いてトラップとして作用する直並列回路
と、前記接地パターンと接続され前記プリント基板を機
器に装着する際の取り付は部材であり且つ前記直並列回
路と共に前記所定周波数より高い周波数に於いてトラッ
プとして作用する取り付は片とを備えてなることを特徴
とする高周波濾波器。The conductive pattern includes a conductive pattern and a ground pattern forming a signal path formed on a printed circuit board, a parallel circuit of a first capacitor and a coil that resonates at a predetermined frequency, and a second capacitor connected in series to the parallel circuit. A series-parallel circuit inserted between the pattern and the ground pattern and acting as a trap at frequencies lower than the predetermined frequency, and a member connected to the ground pattern and used to attach the printed circuit board to equipment. A high frequency filter comprising a mounting piece that acts as a trap at frequencies higher than the predetermined frequency together with the series/parallel circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17746283U JPS6085420U (en) | 1983-11-18 | 1983-11-18 | high frequency filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17746283U JPS6085420U (en) | 1983-11-18 | 1983-11-18 | high frequency filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6085420U true JPS6085420U (en) | 1985-06-12 |
| JPH0132419Y2 JPH0132419Y2 (en) | 1989-10-04 |
Family
ID=30385534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17746283U Granted JPS6085420U (en) | 1983-11-18 | 1983-11-18 | high frequency filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6085420U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4423925Y1 (en) * | 1966-08-17 | 1969-10-09 | ||
| JPS5426301U (en) * | 1977-07-26 | 1979-02-21 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5299463A (en) * | 1976-02-18 | 1977-08-20 | Saburou Maezawa | Method and device for exchanging fluid heat |
-
1983
- 1983-11-18 JP JP17746283U patent/JPS6085420U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4423925Y1 (en) * | 1966-08-17 | 1969-10-09 | ||
| JPS5426301U (en) * | 1977-07-26 | 1979-02-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0132419Y2 (en) | 1989-10-04 |
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