JPS6085420U - high frequency filter - Google Patents

high frequency filter

Info

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
Application number
JP17746283U
Other languages
Japanese (ja)
Other versions
JPH0132419Y2 (en
Inventor
高津戸　明二
三也 岡崎
Original Assignee
アルプス電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP17746283U priority Critical patent/JPS6085420U/en
Publication of JPS6085420U publication Critical patent/JPS6085420U/en
Application granted granted Critical
Publication of JPH0132419Y2 publication Critical patent/JPH0132419Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] プリント基板上に形成された信号径路を成す導電パター
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.
JP17746283U 1983-11-18 1983-11-18 high frequency filter Granted JPS6085420U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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