JPS60129751U - Image trap for electronically tuned receivers - Google Patents

Image trap for electronically tuned receivers

Info

Publication number
JPS60129751U
JPS60129751U JP1835384U JP1835384U JPS60129751U JP S60129751 U JPS60129751 U JP S60129751U JP 1835384 U JP1835384 U JP 1835384U JP 1835384 U JP1835384 U JP 1835384U JP S60129751 U JPS60129751 U JP S60129751U
Authority
JP
Japan
Prior art keywords
image trap
electronically tuned
circuit
image
tuned receivers
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
JP1835384U
Other languages
Japanese (ja)
Inventor
清 鈴木
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co 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 Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP1835384U priority Critical patent/JPS60129751U/en
Publication of JPS60129751U publication Critical patent/JPS60129751U/en
Pending legal-status Critical Current

Links

Landscapes

  • Superheterodyne Receivers (AREA)
  • Noise Elimination (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) [Summary] 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ａおよびｂは従来のイメージ・トラップの回路図
、第２図は本考案によるイメージ・トラップを有する電
子調受信機の同調回路部分のみの回路図である。 １・・・アンテナ同調回路、２・・・高周波同調回路、
３・・・局部発振回路、４・・・高周波増幅器、Ｑ工・
・・高周波増幅器ＦＥＴ、　Ｃ□〜Ｃ１・・・直流カッ
ト用コンデ　　　　　゛ンサ、Ｃ５・・・イメージ・ト
ラップ中の可変容量ダイオードの並列コンデンサ、Ｄ１
〜Ｄ、・・・可変容量ダイオード、ＴＣ１〜ＴＣ３・・
・同調回路調整用トリマーコンデンサ、Ｌ１〜Ｌ、・・
・同調用コイル、Ｒ□〜Ｒ１・・・結合防止用抵抗、Ｖ
ｔ−・・チューニング電圧。1A and 1B are circuit diagrams of a conventional image trap, and FIG. 2 is a circuit diagram of only the tuning circuit portion of an electronic tuning receiver having an image trap according to the present invention. 1... Antenna tuning circuit, 2... High frequency tuning circuit,
3...Local oscillation circuit, 4...High frequency amplifier, Q engineering
...High frequency amplifier FET, C□~C1...DC cut capacitor, C5...Parallel capacitor of variable capacitance diode in image trap, D1
~D,...variable capacitance diode, TC1~TC3...
・Trimmer capacitor for tuning circuit adjustment, L1~L,...
・Tuning coil, R□~R1... Coupling prevention resistance, V
t--Tuning voltage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] チューニング電圧がアンテナ同調回路、高周波同調回路
、局部発振回路の中の可変容量ダイオードのほかにイメ
ージ共振回路の中の可変容量ダイオードにも印加される
ことを特徴とする電子同調受信機のイメージ・トラップ
。An image trap for an electronically tuned receiver characterized in that a tuning voltage is applied to a variable capacitance diode in an image resonant circuit as well as to a variable capacitance diode in an antenna tuning circuit, a high frequency tuning circuit, and a local oscillator circuit. .
JP1835384U 1984-02-09 1984-02-09 Image trap for electronically tuned receivers Pending JPS60129751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1835384U JPS60129751U (en) 1984-02-09 1984-02-09 Image trap for electronically tuned receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1835384U JPS60129751U (en) 1984-02-09 1984-02-09 Image trap for electronically tuned receivers

Publications (1)

Publication Number Publication Date
JPS60129751U true JPS60129751U (en) 1985-08-30

Family

ID=30506909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1835384U Pending JPS60129751U (en) 1984-02-09 1984-02-09 Image trap for electronically tuned receivers

Country Status (1)

Country Link
JP (1) JPS60129751U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246709A (en) * 1975-10-11 1977-04-13 Toshiba Corp Signal receiving equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246709A (en) * 1975-10-11 1977-04-13 Toshiba Corp Signal receiving equipment

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