JPS53120213A - Vhf tuner - Google Patents

Vhf tuner

Info

Publication number
JPS53120213A
JPS53120213A JP3451977A JP3451977A JPS53120213A JP S53120213 A JPS53120213 A JP S53120213A JP 3451977 A JP3451977 A JP 3451977A JP 3451977 A JP3451977 A JP 3451977A JP S53120213 A JPS53120213 A JP S53120213A
Authority
JP
Japan
Prior art keywords
vhf tuner
interstage
single tuning
circuit
incorporating
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
JP3451977A
Other languages
Japanese (ja)
Inventor
Yasuhiro Horigami
Hiromitsu Imamiya
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 JP3451977A priority Critical patent/JPS53120213A/en
Publication of JPS53120213A publication Critical patent/JPS53120213A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)

Abstract

PURPOSE:To increase the attenuation degree of the lower side image local frequency point for the VHF tuner applying the interstage single tuning system, by incorporating a specified fixed trap circuit into part of the interstage single tuning circuit.
JP3451977A 1977-03-30 1977-03-30 Vhf tuner Pending JPS53120213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3451977A JPS53120213A (en) 1977-03-30 1977-03-30 Vhf tuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3451977A JPS53120213A (en) 1977-03-30 1977-03-30 Vhf tuner

Publications (1)

Publication Number Publication Date
JPS53120213A true JPS53120213A (en) 1978-10-20

Family

ID=12416503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3451977A Pending JPS53120213A (en) 1977-03-30 1977-03-30 Vhf tuner

Country Status (1)

Country Link
JP (1) JPS53120213A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH045733U (en) * 1990-04-27 1992-01-20

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4854801A (en) * 1971-11-10 1973-08-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4854801A (en) * 1971-11-10 1973-08-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH045733U (en) * 1990-04-27 1992-01-20

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