JPS5969545U - FM, AM common amplifier circuit - Google Patents

FM, AM common amplifier circuit

Info

Publication number
JPS5969545U
JPS5969545U JP16395582U JP16395582U JPS5969545U JP S5969545 U JPS5969545 U JP S5969545U JP 16395582 U JP16395582 U JP 16395582U JP 16395582 U JP16395582 U JP 16395582U JP S5969545 U JPS5969545 U JP S5969545U
Authority
JP
Japan
Prior art keywords
frequency conversion
conversion circuit
amplifier circuit
circuit
common amplifier
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
JP16395582U
Other languages
Japanese (ja)
Inventor
伊田　康弘
Original Assignee
クラリオン株式会社
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 クラリオン株式会社 filed Critical クラリオン株式会社
Priority to JP16395582U priority Critical patent/JPS5969545U/en
Publication of JPS5969545U publication Critical patent/JPS5969545U/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 the drawing]

図は本考案実施例を示す回路図である。 ９１・・−ＦＭ周波数変換用トランジスタ、Ｑ２・・・
ＡＭ周波数変換用トランジスタ、Ｑ３・・・ＦＭ、ＡＭ
中間周波増幅用トランジスタ、Ｄｌ、Ｄ２・・・妥イツ
チングダイオード、Ｓ・・・モード切換スイッチ。The figure is a circuit diagram showing an embodiment of the present invention. 91...-FM frequency conversion transistor, Q2...
AM frequency conversion transistor, Q3...FM, AM
Intermediate frequency amplification transistor, Dl, D2... matching diode, S... mode changeover switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＦＭ用周波数変換回路と、ＡＭ用周波数変換回路と、こ
れらＦＭ用およびＡＭ用周波数変換回路、　　　　番切
り換えるためのモード切換スイッチと、ＦＭ用およびＡ
Ｍ用周波数変換回路が共通に接続された中間周波増幅回
路とを含み、上記ＦＭ用およびＡＭ用周波数変換回路に
は各々スイッチング素子が設けられ、゛上記モード切換
スイッチが一方側の周波数変換回路に切り換えられた時
この一方側周波数変換回路のスイッチング素子をオンさ
せることにより当該周波数変換回路からの信号を上記中
間周波増幅回路に加えるように構成したことを特徴とす
るＦＭ、ＡＭ共用増幅回路。A frequency conversion circuit for FM, a frequency conversion circuit for AM, a mode changeover switch for switching the frequency conversion circuits for FM and AM, and a frequency conversion circuit for FM and AM.
The M frequency conversion circuit includes an intermediate frequency amplification circuit connected in common, and each of the FM and AM frequency conversion circuits is provided with a switching element, and the mode selection switch is connected to one side of the frequency conversion circuit. An FM/AM common amplifier circuit, characterized in that, when switched, a switching element of the frequency conversion circuit on one side is turned on to apply a signal from the frequency conversion circuit to the intermediate frequency amplifier circuit.
JP16395582U 1982-10-29 1982-10-29 FM, AM common amplifier circuit Pending JPS5969545U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16395582U JPS5969545U (en) 1982-10-29 1982-10-29 FM, AM common amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16395582U JPS5969545U (en) 1982-10-29 1982-10-29 FM, AM common amplifier circuit

Publications (1)

Publication Number Publication Date
JPS5969545U true JPS5969545U (en) 1984-05-11

Family

ID=30359584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16395582U Pending JPS5969545U (en) 1982-10-29 1982-10-29 FM, AM common amplifier circuit

Country Status (1)

Country Link
JP (1) JPS5969545U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5029365U (en) * 1973-07-11 1975-04-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5029365U (en) * 1973-07-11 1975-04-03

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