JPS546401A - Variable tuning circuit - Google Patents

Variable tuning circuit

Info

Publication number
JPS546401A
JPS546401A JP7111777A JP7111777A JPS546401A JP S546401 A JPS546401 A JP S546401A JP 7111777 A JP7111777 A JP 7111777A JP 7111777 A JP7111777 A JP 7111777A JP S546401 A JPS546401 A JP S546401A
Authority
JP
Japan
Prior art keywords
tuning circuit
variable tuning
frequency
variable
receiver
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.)
Pending
Application number
JP7111777A
Other languages
Japanese (ja)
Inventor
Toshio Nagashima
Mitsuhisa Shinagawa
Shigeo Matsuura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7111777A priority Critical patent/JPS546401A/en
Publication of JPS546401A publication Critical patent/JPS546401A/en
Pending legal-status Critical Current

Links

Landscapes

  • Noise Elimination (AREA)

Abstract

PURPOSE: To make it possible to improve an attenuation degree at a local frequency and image frequency without any loss at a reception frequency, by providing a trap circuit to a TV receiver.
COPYRIGHT: (C)1979,JPO&Japio
JP7111777A 1977-06-17 1977-06-17 Variable tuning circuit Pending JPS546401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7111777A JPS546401A (en) 1977-06-17 1977-06-17 Variable tuning circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7111777A JPS546401A (en) 1977-06-17 1977-06-17 Variable tuning circuit

Publications (1)

Publication Number Publication Date
JPS546401A true JPS546401A (en) 1979-01-18

Family

ID=13451291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7111777A Pending JPS546401A (en) 1977-06-17 1977-06-17 Variable tuning circuit

Country Status (1)

Country Link
JP (1) JPS546401A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04207327A (en) * 1990-11-29 1992-07-29 Murata Mfg Co Ltd Input tuning circuit in tuner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04207327A (en) * 1990-11-29 1992-07-29 Murata Mfg Co Ltd Input tuning circuit in tuner

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