JPS59132217U - BTL power amplifier - Google Patents

BTL power amplifier

Info

Publication number
JPS59132217U
JPS59132217U JP2615983U JP2615983U JPS59132217U JP S59132217 U JPS59132217 U JP S59132217U JP 2615983 U JP2615983 U JP 2615983U JP 2615983 U JP2615983 U JP 2615983U JP S59132217 U JPS59132217 U JP S59132217U
Authority
JP
Japan
Prior art keywords
power amplifier
btl
btl power
power
power amplifiers
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
JP2615983U
Other languages
Japanese (ja)
Inventor
前田　敬二郎
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP2615983U priority Critical patent/JPS59132217U/en
Publication of JPS59132217U publication Critical patent/JPS59132217U/en
Pending legal-status Critical Current

Links

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図はＢＴＬパワーアンプの従来例を示す構成図、第
２図は本考案の一実施例を示す構成図、第３図は第２図
例の要部の具体回路図である。 １１は入力端子、１３及び１９は夫々演算増幅器、１６
及び２２は夫々切換スイッチ（リレーのスイッチ）、１
７及び２３は夫々出力端子、１８及び２４は夫々過負荷
検出回路、２５はスピーカである。FIG. 1 is a block diagram showing a conventional example of a BTL power amplifier, FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG. 3 is a specific circuit diagram of the main part of the example shown in FIG. 11 is an input terminal, 13 and 19 are operational amplifiers, 16
and 22 are changeover switches (relay switches), 1
7 and 23 are output terminals, 18 and 24 are overload detection circuits, respectively, and 25 is a speaker.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 互いに逆位相の入力信号が供給される２つのパワーアン
プを駆動してなるＢＴＬパワーアイプにおりて、上記２
つのパワーアンプと出力端子との間に各々独立した２接
点リレーを接続し、異常時には、一方の出力端子をパワ
ーアンプから切離し゛接地するようにしたＢＴＬパワー
アンプ。In a BTL power amplifier that drives two power amplifiers to which input signals of opposite phases are supplied, the above 2.
This BTL power amplifier has independent two-contact relays connected between two power amplifiers and output terminals, and in the event of an abnormality, one output terminal is disconnected from the power amplifier and grounded.
JP2615983U 1983-02-24 1983-02-24 BTL power amplifier Pending JPS59132217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2615983U JPS59132217U (en) 1983-02-24 1983-02-24 BTL power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2615983U JPS59132217U (en) 1983-02-24 1983-02-24 BTL power amplifier

Publications (1)

Publication Number Publication Date
JPS59132217U true JPS59132217U (en) 1984-09-05

Family

ID=30157104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2615983U Pending JPS59132217U (en) 1983-02-24 1983-02-24 BTL power amplifier

Country Status (1)

Country Link
JP (1) JPS59132217U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2004010575A1 (en) * 2002-07-18 2005-11-17 ソニー株式会社 Power amplifier device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2004010575A1 (en) * 2002-07-18 2005-11-17 ソニー株式会社 Power amplifier device
JP4765316B2 (en) * 2002-07-18 2011-09-07 ソニー株式会社 Power amplifier device

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