JPH0251417U - - Google Patents

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Publication number
JPH0251417U
JPH0251417U JP13135188U JP13135188U JPH0251417U JP H0251417 U JPH0251417 U JP H0251417U JP 13135188 U JP13135188 U JP 13135188U JP 13135188 U JP13135188 U JP 13135188U JP H0251417 U JPH0251417 U JP H0251417U
Authority
JP
Japan
Prior art keywords
contact
switched
contacts
attenuation circuit
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
JP13135188U
Other languages
Japanese (ja)
Other versions
JPH0522984Y2 (en
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 filed Critical
Priority to JP1988131351U priority Critical patent/JPH0522984Y2/ja
Publication of JPH0251417U publication Critical patent/JPH0251417U/ja
Application granted granted Critical
Publication of JPH0522984Y2 publication Critical patent/JPH0522984Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

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

第１図は本考案による高周波用減衰器の第１の
実施例の回路図、第２図は同実施例の減衰量対周
波数特性図、第３図は同実施例の変形例の減衰量
対周波数特性図、第４図は同第２の実施例の回路
図、第５図は同第２の実施例の減衰量対周波数特
性図、第６図は従来の高周波用減衰器の回路図、
第７図は従来の高周波用減衰器の減衰量対周波数
特性図である。 ２，２ａ…切換スイツチ、４ａ…第１の接触子
、４ｂ…第２の接触子、６ａ，２２ａ…第１の接
点、６ｂ，２２ｂ…第３の接点、８ａ，２０ａ…
第２の接点、８ｂ，２０ｂ…第４の接点、１０，
１６…減衰回路、１２，１２ａ…浮遊容量、１４
，１６ａ…インダクタ、１８…別の減衰回路、２
４ａ…第５の接点、２４ｂ…第６の接点。 Fig. 1 is a circuit diagram of a first embodiment of a high frequency attenuator according to the present invention, Fig. 2 is a diagram of attenuation versus frequency characteristics of the same embodiment, and Fig. 3 is a diagram of attenuation versus frequency of a modified example of the same embodiment. A frequency characteristic diagram, FIG. 4 is a circuit diagram of the second embodiment, FIG. 5 is an attenuation vs. frequency characteristic diagram of the second embodiment, and FIG. 6 is a circuit diagram of a conventional high frequency attenuator.
FIG. 7 is an attenuation vs. frequency characteristic diagram of a conventional high frequency attenuator. 2, 2a...Switchover switch, 4a...First contact, 4b...Second contact, 6a, 22a...First contact, 6b, 22b...Third contact, 8a, 20a...
Second contact, 8b, 20b...Fourth contact, 10,
16... Attenuation circuit, 12, 12a... Stray capacitance, 14
, 16a...inductor, 18...another attenuation circuit, 2
4a...Fifth contact, 24b...Sixth contact.

Claims (1)

【実用新案登録請求の範囲】 (1) 第１及び第２の接触子と、第１乃至第４の
接点とを有し、第１の接触子を第１の接点に切り
換えたとき、第２の接触子が第３の接点に切換ら
れ、第１の接触子を第２の接点に切り換えたとき
、第２の接触子が第４の接点に切換られるように
少なくとも構成され、第１及び第３の接点が直結
されると共に、第２及び第４の接点間に浮遊容量
を有する連動切換スイツチと、 第２及び第４の接点間に設けられた減衰回路と
、 上記浮遊容量をほぼ打ち消す値に選択され、第
２及び第４の接点間に設けられたインダクタと、
を具備する高周波用減衰器。 (2) 上記インダクタが上記減衰回路の構成要素
の一部を成すことを特徴とする請求項１記載の高
周波用減衰器。 (3) 上記切換スイツチが、第５及び第６の接点
を有し、第１の接触子を第５の接点に切り換えた
とき、第２の接触子が第６の接点に切換られるよ
うに構成され、第５及び第６の接点間に、上記減
衰回路よりも減衰量が小さい別の減衰回路が設け
られている請求項１または２記載の高周波用減衰
器。[Claims for Utility Model Registration] (1) It has first and second contacts and first to fourth contacts, and when the first contact is switched to the first contact, the second contact is configured such that the second contact is switched to the fourth contact when the first contact is switched to the third contact and the first contact is switched to the second contact; an interlocking changeover switch in which the third contact is directly connected and has stray capacitance between the second and fourth contacts; an attenuation circuit provided between the second and fourth contacts; and a value that substantially cancels out the stray capacitance. an inductor selected between the second and fourth contacts;
A high frequency attenuator equipped with. (2) The high frequency attenuator according to claim 1, wherein the inductor forms part of a component of the attenuation circuit. (3) The changeover switch has a fifth and a sixth contact, and is configured such that when the first contact is switched to the fifth contact, the second contact is switched to the sixth contact. 3. The high frequency attenuator according to claim 1, further comprising a separate attenuation circuit having a smaller attenuation amount than said attenuation circuit between the fifth and sixth contacts.
JP1988131351U 1988-10-05 1988-10-05 Expired - Lifetime JPH0522984Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988131351U JPH0522984Y2 (en) 1988-10-05 1988-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988131351U JPH0522984Y2 (en) 1988-10-05 1988-10-05

Publications (2)

Publication Number Publication Date
JPH0251417U true JPH0251417U (en) 1990-04-11
JPH0522984Y2 JPH0522984Y2 (en) 1993-06-14

Family

ID=31387338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988131351U Expired - Lifetime JPH0522984Y2 (en) 1988-10-05 1988-10-05

Country Status (1)

Country Link
JP (1) JPH0522984Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002261562A (en) * 2001-02-28 2002-09-13 Maspro Denkoh Corp Signal attenuator
WO2015156101A1 (en) * 2014-04-08 2015-10-15 株式会社村田製作所 High frequency module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042510U (en) * 1983-08-31 1985-03-26 三菱自動車工業株式会社 ball end mill
JPS6072302A (en) * 1983-09-28 1985-04-24 Mitsubishi Electric Corp Semiconductor switch
JPS617120U (en) * 1984-06-18 1986-01-17 目黒電波測器株式会社 Electronically switched variable attenuation device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453477A (en) * 1981-12-04 1984-06-12 Gerber Scientific, Inc. Thread consuming machine with thread coloring device and related process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042510U (en) * 1983-08-31 1985-03-26 三菱自動車工業株式会社 ball end mill
JPS6072302A (en) * 1983-09-28 1985-04-24 Mitsubishi Electric Corp Semiconductor switch
JPS617120U (en) * 1984-06-18 1986-01-17 目黒電波測器株式会社 Electronically switched variable attenuation device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002261562A (en) * 2001-02-28 2002-09-13 Maspro Denkoh Corp Signal attenuator
WO2015156101A1 (en) * 2014-04-08 2015-10-15 株式会社村田製作所 High frequency module
JPWO2015156101A1 (en) * 2014-04-08 2017-04-13 株式会社村田製作所 High frequency module

Also Published As

Publication number Publication date
JPH0522984Y2 (en) 1993-06-14

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