JPS52125223A - Tuning circuit - Google Patents

Tuning circuit

Info

Publication number
JPS52125223A
JPS52125223A JP4130976A JP4130976A JPS52125223A JP S52125223 A JPS52125223 A JP S52125223A JP 4130976 A JP4130976 A JP 4130976A JP 4130976 A JP4130976 A JP 4130976A JP S52125223 A JPS52125223 A JP S52125223A
Authority
JP
Japan
Prior art keywords
tuning circuit
frequency
circuit
reception frequency
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
JP4130976A
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 JP4130976A priority Critical patent/JPS52125223A/en
Publication of JPS52125223A publication Critical patent/JPS52125223A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)

Abstract

PURPOSE:To enable the tuning circuit having sufficient attenuation for higher frequency and also for lower frequency than the reception frequency and having small loss at the reception frequency, by connecting a high pass filter to the tuning circuit with trap circuit.
JP4130976A 1976-04-14 1976-04-14 Tuning circuit Pending JPS52125223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4130976A JPS52125223A (en) 1976-04-14 1976-04-14 Tuning circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4130976A JPS52125223A (en) 1976-04-14 1976-04-14 Tuning circuit

Publications (1)

Publication Number Publication Date
JPS52125223A true JPS52125223A (en) 1977-10-20

Family

ID=12604885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4130976A Pending JPS52125223A (en) 1976-04-14 1976-04-14 Tuning circuit

Country Status (1)

Country Link
JP (1) JPS52125223A (en)

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
JPS6320620U (en) * 1986-07-25 1988-02-10

Cited By (4)

* 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
JPS6320620U (en) * 1986-07-25 1988-02-10
JPH0453062Y2 (en) * 1986-07-25 1992-12-14

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