JPS615023U - Variable frequency bandpass filter - Google Patents

Variable frequency bandpass filter

Info

Publication number
JPS615023U
JPS615023U JP8863684U JP8863684U JPS615023U JP S615023 U JPS615023 U JP S615023U JP 8863684 U JP8863684 U JP 8863684U JP 8863684 U JP8863684 U JP 8863684U JP S615023 U JPS615023 U JP S615023U
Authority
JP
Japan
Prior art keywords
bandpass filter
variable frequency
frequency bandpass
circuit
coupled
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
JP8863684U
Other languages
Japanese (ja)
Other versions
JPH0218586Y2 (en
Inventor
健二 増田
弘之 田邊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Antenna Co Ltd
Original Assignee
Nippon Antenna Co Ltd
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 Nippon Antenna Co Ltd filed Critical Nippon Antenna Co Ltd
Priority to JP8863684U priority Critical patent/JPS615023U/en
Publication of JPS615023U publication Critical patent/JPS615023U/en
Application granted granted Critical
Publication of JPH0218586Y2 publication Critical patent/JPH0218586Y2/ja
Granted legal-status Critical Current

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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ａおよび第２図ａは共に従来例を系す回路図、第
１図ｂ， ｃおよび第２図ｂは各々第１図ａおよび第２
図ａの回路によって得られた帯域特性を示す特性図、第
３図ａおよび第４図ａは共に本考案実施例を示す回路図
、第３図ｂおよび第４図ｂは各々第３図ａおよび第４図
ａの回路によって得られた帯域特性を示す特性図である
。 １，１’，６＝，１０，１０’，１１，１ １’，１６
．１６’・・・コンデンサ、７．７’・・・容量素子、
２．２’，４．４’，５，１ ２．１ ２’，１ ５・
・・コイル（インダクタンス素子）、３，３′・・・可
変容量素子、８， ９． ９’・・・抵抗、１３．１
３’・・・スイッチングダイオード、１４・・・帯域通
過濾波回路部、ＩＮ・・・入力端子、ＯＵＴ・・・出力
端子、ＤＣ，ＤＣ′・・・直流電源端子。1a and 2a are both circuit diagrams related to the conventional example, and FIGS. 1b, c, and 2b are circuit diagrams of the conventional example, respectively.
Characteristic diagrams showing the band characteristics obtained by the circuit of Figure a, Figures 3a and 4a are both circuit diagrams showing the embodiment of the present invention, Figures 3b and 4b are respectively diagrams of Figure 3a. and FIG. 4 is a characteristic diagram showing the band characteristics obtained by the circuit of FIG. 4a. 1,1',6=,10,10',11,1 1',16
．． 16'... Capacitor, 7.7'... Capacitive element,
2.2', 4.4', 5, 1 2.1 2', 1 5・
... Coil (inductance element), 3, 3'... Variable capacitance element, 8, 9. 9'...Resistance, 13.1
3'...Switching diode, 14...Band pass filter circuit section, IN...Input terminal, OUT...Output terminal, DC, DC'...Direct current power supply terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電磁的に結合された複同調回路の少くとも入力回路ある
いは出力回路のいずれか一方との間にインダクタンス素
子を介して結合したものにおいて、前記複同調回路の相
互を容量結合したことを特徴とする周波数可変式帯域通
過濾波器。An electromagnetically coupled double-tuned circuit coupled to at least one of an input circuit or an output circuit via an inductance element, characterized in that the double-tuned circuits are capacitively coupled to each other. Variable frequency bandpass filter.
JP8863684U 1984-06-13 1984-06-13 Variable frequency bandpass filter Granted JPS615023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8863684U JPS615023U (en) 1984-06-13 1984-06-13 Variable frequency bandpass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8863684U JPS615023U (en) 1984-06-13 1984-06-13 Variable frequency bandpass filter

Publications (2)

Publication Number Publication Date
JPS615023U true JPS615023U (en) 1986-01-13
JPH0218586Y2 JPH0218586Y2 (en) 1990-05-24

Family

ID=30641960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8863684U Granted JPS615023U (en) 1984-06-13 1984-06-13 Variable frequency bandpass filter

Country Status (1)

Country Link
JP (1) JPS615023U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007312221A (en) * 2006-05-19 2007-11-29 Sony Corp Semiconductor coupling device, semiconductor element, and high-frequency module

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5862653B2 (en) 2013-12-24 2016-02-16 株式会社村田製作所 Switching circuit and high frequency module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007312221A (en) * 2006-05-19 2007-11-29 Sony Corp Semiconductor coupling device, semiconductor element, and high-frequency module

Also Published As

Publication number Publication date
JPH0218586Y2 (en) 1990-05-24

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