JPS52125224A - Tuning circuit - Google Patents

Tuning circuit

Info

Publication number
JPS52125224A
JPS52125224A JP4131076A JP4131076A JPS52125224A JP S52125224 A JPS52125224 A JP S52125224A JP 4131076 A JP4131076 A JP 4131076A JP 4131076 A JP4131076 A JP 4131076A JP S52125224 A JPS52125224 A JP S52125224A
Authority
JP
Japan
Prior art keywords
tuning circuit
parallel
frequency
coil
enable
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
JP4131076A
Other languages
Japanese (ja)
Inventor
Toshio Nagashima
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 JP4131076A priority Critical patent/JPS52125224A/en
Publication of JPS52125224A publication Critical patent/JPS52125224A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line

Abstract

PURPOSE:To enable the tuning circuit having great attenuation at the trap frequency and less loss at the reception frequency, by connecting the first and second parallel resonant circuits in series connection to the third coil in parallel.
JP4131076A 1976-04-14 1976-04-14 Tuning circuit Pending JPS52125224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4131076A JPS52125224A (en) 1976-04-14 1976-04-14 Tuning circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4131076A JPS52125224A (en) 1976-04-14 1976-04-14 Tuning circuit

Publications (1)

Publication Number Publication Date
JPS52125224A true JPS52125224A (en) 1977-10-20

Family

ID=12604915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4131076A Pending JPS52125224A (en) 1976-04-14 1976-04-14 Tuning circuit

Country Status (1)

Country Link
JP (1) JPS52125224A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181040U (en) * 1986-05-06 1987-11-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181040U (en) * 1986-05-06 1987-11-17
JPH0450656Y2 (en) * 1986-05-06 1992-11-30

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