JPH0249239U - - Google Patents

Info

Publication number
JPH0249239U
JPH0249239U JP12907088U JP12907088U JPH0249239U JP H0249239 U JPH0249239 U JP H0249239U JP 12907088 U JP12907088 U JP 12907088U JP 12907088 U JP12907088 U JP 12907088U JP H0249239 U JPH0249239 U JP H0249239U
Authority
JP
Japan
Prior art keywords
circuit
mixer
signals
circuits
pass filter
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
JP12907088U
Other languages
English (en)
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 filed Critical
Priority to JP12907088U priority Critical patent/JPH0249239U/ja
Publication of JPH0249239U publication Critical patent/JPH0249239U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係るダブルスーパチユーナの
ブロツク図、第2図は第1図のRF増幅回路と1
stミキサ回路間の具体的回路図、第3図は第2
図の1stIFトラツプの他の実施例を示す回路
図、及び第4図は同じく1stIFトラツプの更
に別の実施例を示す回路図である。 1……UHF入力端子、2……VHF入力端子
、3,4……ローパスフイルタ回路、5,6……
入力同調回路、7,8……RF増幅回路、9……
1stIFトラツプ、10……1stミキサ回路
、12……2ndミキサ回路、14……2nd局
部発振回路、15……1st局部発振回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 二つの入力端子からの異なる周波数帯の信号を
    それぞれ帯域信号に対するローパスフイルタ回路
    、入力同調回路及びRF増幅回路と、両帯域信号
    に共通の第1及び第2ミキサ回路、及び第1及び
    第2局部発振回路とを具備するダブルスーパヘテ
    ロダイン方式のチユーナにおいて、第1中間周波
    妨害トラツプを前記RF増幅回路と第1ミキサ回
    路間に挿入したことを特徴とするダブルスーパチ
    ユーナ。
JP12907088U 1988-09-30 1988-09-30 Pending JPH0249239U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12907088U JPH0249239U (ja) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12907088U JPH0249239U (ja) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0249239U true JPH0249239U (ja) 1990-04-05

Family

ID=31383004

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12907088U Pending JPH0249239U (ja) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0249239U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776935A (en) * 1980-10-29 1982-05-14 Matsushita Electric Ind Co Ltd Tuner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776935A (en) * 1980-10-29 1982-05-14 Matsushita Electric Ind Co Ltd Tuner

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