JPS58135129U - High frequency amplifier circuit - Google Patents

High frequency amplifier circuit

Info

Publication number
JPS58135129U
JPS58135129U JP2960382U JP2960382U JPS58135129U JP S58135129 U JPS58135129 U JP S58135129U JP 2960382 U JP2960382 U JP 2960382U JP 2960382 U JP2960382 U JP 2960382U JP S58135129 U JPS58135129 U JP S58135129U
Authority
JP
Japan
Prior art keywords
high frequency
amplifier circuit
frequency amplifier
variable capacitance
voltage variable
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
JP2960382U
Other languages
Japanese (ja)
Inventor
芹澤 正文
林 常雄
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP2960382U priority Critical patent/JPS58135129U/en
Publication of JPS58135129U publication Critical patent/JPS58135129U/en
Pending legal-status Critical Current

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  • Amplifiers (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]

図は本考案の一実施例を示すFM受信機における高周波
増幅回路のブロック図である。 2・・・増幅器、3・・・複同調回路、4・・・周波数
変換回路、33.34・・・同調コイル、35・・・バ
ックツーバック型電圧可変容量ダイオード(バリキャッ
プ)、36・・・バイアス抵抗器、37・・・コンデン
サ。
The figure is a block diagram of a high frequency amplification circuit in an FM receiver showing an embodiment of the present invention. 2... Amplifier, 3... Double tuning circuit, 4... Frequency conversion circuit, 33. 34... Tuning coil, 35... Back-to-back type voltage variable capacitance diode (varicap), 36... ...Bias resistor, 37...capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 共振素子に電圧可変容量ダイオードを用いて同調を行な
う複同調回路を有する高周波増幅回路において、2つの
同調コイルの各々の一端をバックツーバック型電圧可変
容量ダイオードを介して接続すると共に各々の他端を接
地し、かつ、前記電圧可変容量タイオードの中点に接地
コンデンサとバイアス抵抗を接続したことを特徴とする
高周波増幅回路。
In a high frequency amplifier circuit having a double tuning circuit that performs tuning using a voltage variable capacitance diode as a resonant element, one end of each of two tuning coils is connected via a back-to-back voltage variable capacitance diode, and the other end of each is connected. is grounded, and a grounding capacitor and a bias resistor are connected to the midpoint of the voltage variable capacitance diode.
JP2960382U 1982-03-04 1982-03-04 High frequency amplifier circuit Pending JPS58135129U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2960382U JPS58135129U (en) 1982-03-04 1982-03-04 High frequency amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2960382U JPS58135129U (en) 1982-03-04 1982-03-04 High frequency amplifier circuit

Publications (1)

Publication Number Publication Date
JPS58135129U true JPS58135129U (en) 1983-09-10

Family

ID=30041384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2960382U Pending JPS58135129U (en) 1982-03-04 1982-03-04 High frequency amplifier circuit

Country Status (1)

Country Link
JP (1) JPS58135129U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61201514A (en) * 1985-03-04 1986-09-06 Sony Corp Tuning circuit device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61201514A (en) * 1985-03-04 1986-09-06 Sony Corp Tuning circuit device

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