JPS59118347U - Chuyuna - Google Patents

Chuyuna

Info

Publication number
JPS59118347U
JPS59118347U JP1255183U JP1255183U JPS59118347U JP S59118347 U JPS59118347 U JP S59118347U JP 1255183 U JP1255183 U JP 1255183U JP 1255183 U JP1255183 U JP 1255183U JP S59118347 U JPS59118347 U JP S59118347U
Authority
JP
Japan
Prior art keywords
band
vhf
section
uhf
stage
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
JP1255183U
Other languages
Japanese (ja)
Inventor
米丸　豊美
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP1255183U priority Critical patent/JPS59118347U/en
Publication of JPS59118347U publication Critical patent/JPS59118347U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のチューナの主要部の回路部、第２図は本
考案の１実施例の要部回路図、第３図は本考案の他の実
施例の要部回路図である。 １・・・ＵＨＦ部混合段、２・・・ＶＨＦ部ＲＦ増幅段
、３・・・ＶＨＦ部混合段、１９・・・Ｕ−Ｖ結合用ス
イッチングダイオード、３２．３３・・・バンド切換用
スイッチングダイオード、３８．３９・・・ローバンド
受信用コイル、５９・・・高抵抗。FIG. 1 is a circuit diagram of the main part of a conventional tuner, FIG. 2 is a circuit diagram of the main part of one embodiment of the present invention, and FIG. 3 is a circuit diagram of the main part of another embodiment of the invention. 1... UHF section mixing stage, 2... VHF section RF amplification stage, 3... VHF section mixing stage, 19... Switching diode for U-V coupling, 32. 33... Switching for band switching Diode, 38.39...Low band receiving coil, 59...High resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＵＨＦ７ＶＨＦオールバンド受信用チューナにおいて、
ＵＨＦ部混合段とＶＨＦ部混合段とを結合するＵ−Ｖ結
合用スイッチングダイオードの陰極を高抵抗を介してＶ
ＨＦ部ＲＦ増幅段のバンド切換用スイッチングダイオー
ドの陽極側に接続してなり、ＵＨＦ受信時にＶＨＦ部Ｒ
Ｆ増幅段のローバンド受信用コイルを高周波的に短絡す
るようにしたことを特徴とするチューナ。In the UHF7VHF all-band reception tuner,
The cathode of the switching diode for UV coupling that connects the UHF mixing stage and the VHF mixing stage is connected to V through a high resistance.
Connected to the anode side of the band switching switching diode of the HF section RF amplification stage, and the VHF section R when receiving UHF.
A tuner characterized in that a low-band receiving coil of an F amplification stage is short-circuited at high frequencies.
JP1255183U 1983-01-28 1983-01-28 Chuyuna Pending JPS59118347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1255183U JPS59118347U (en) 1983-01-28 1983-01-28 Chuyuna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1255183U JPS59118347U (en) 1983-01-28 1983-01-28 Chuyuna

Publications (1)

Publication Number Publication Date
JPS59118347U true JPS59118347U (en) 1984-08-09

Family

ID=30143953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1255183U Pending JPS59118347U (en) 1983-01-28 1983-01-28 Chuyuna

Country Status (1)

Country Link
JP (1) JPS59118347U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712610U (en) * 1980-06-18 1982-01-22
JPS5750835U (en) * 1980-09-10 1982-03-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712610U (en) * 1980-06-18 1982-01-22
JPS5750835U (en) * 1980-09-10 1982-03-24

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