JPS5848132U - Interstage double tuning circuit of UHF tuner - Google Patents

Interstage double tuning circuit of UHF tuner

Info

Publication number
JPS5848132U
JPS5848132U JP14440581U JP14440581U JPS5848132U JP S5848132 U JPS5848132 U JP S5848132U JP 14440581 U JP14440581 U JP 14440581U JP 14440581 U JP14440581 U JP 14440581U JP S5848132 U JPS5848132 U JP S5848132U
Authority
JP
Japan
Prior art keywords
uhf tuner
tuning circuit
interstage double
interstage
double tuning
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
JP14440581U
Other languages
Japanese (ja)
Inventor
山縣　「湧」一朗
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP14440581U priority Critical patent/JPS5848132U/en
Publication of JPS5848132U publication Critical patent/JPS5848132U/en
Pending legal-status Critical Current

Links

Landscapes

  • Filters And Equalizers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

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ＵＨＦチューナの段間複同調回路を示す
回路図、第２客はほこの考案に係るＵＨＦチューナの段
間複同調回路の一実施例を示す回路図である。 １１・・・・・・入力端子、１２・・・・・・結合コン
シン毎、１３．１６・・・・・・共振線路、１４．１７
・・・・・・可変容量ダイオード、１５．１８・・曲共
振コンデンサ、１９・・・・・・結合ループ、２０・・
・・・・出力端子、２１・・・・・・同調電圧の入力端
子、２２．２６・・・・・・抵抗、２５・・・・・・回
路パターン。FIG. 1 is a circuit diagram showing an inter-stage double tuning circuit of a conventional UHF tuner, and the second is a circuit diagram showing an embodiment of the inter-stage double tuning circuit of a UHF tuner according to Hoko's invention. 11... Input terminal, 12... Each coupled consulator, 13.16... Resonant line, 14.17
...Variable capacitance diode, 15.18 ... Curved resonance capacitor, 19 ... Coupling loop, 20 ...
... Output terminal, 21 ... Tuning voltage input terminal, 22.26 ... Resistor, 25 ... Circuit pattern.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入１２型共振回路あるいは入１４型共振回路を２段有す
るＵＨＦチューナの段間複同調回路に於いて、前記２段
の共振回路それぞれのインダクタの一端部に可変容量素
子が接続され、他端部が両インダクタに対して共通イン
ピーダンスとなるように設けられた共通インピーダンス
部を介して基準電位点に接続されるように構成したこと
を特徴とするＵＨＦチューナの段間複同調回路。In an interstage double-tuned circuit of a UHF tuner having two stages of a 12-type resonant circuit or a 14-type resonant circuit, a variable capacitance element is connected to one end of the inductor of each of the two stages of resonant circuits, and a variable capacitance element is connected to the other end of the inductor. 1. An interstage double-tuned circuit for a UHF tuner, characterized in that the interstage double-tuned circuit is connected to a reference potential point via a common impedance section provided so as to have a common impedance for both inductors.
JP14440581U 1981-09-29 1981-09-29 Interstage double tuning circuit of UHF tuner Pending JPS5848132U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14440581U JPS5848132U (en) 1981-09-29 1981-09-29 Interstage double tuning circuit of UHF tuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14440581U JPS5848132U (en) 1981-09-29 1981-09-29 Interstage double tuning circuit of UHF tuner

Publications (1)

Publication Number Publication Date
JPS5848132U true JPS5848132U (en) 1983-03-31

Family

ID=29937369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14440581U Pending JPS5848132U (en) 1981-09-29 1981-09-29 Interstage double tuning circuit of UHF tuner

Country Status (1)

Country Link
JP (1) JPS5848132U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01106629A (en) * 1987-10-20 1989-04-24 Fujitsu General Ltd Tuner circuit for satellite broadcast television receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01106629A (en) * 1987-10-20 1989-04-24 Fujitsu General Ltd Tuner circuit for satellite broadcast television receiver

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