JPS58182509U - audio power amplifier - Google Patents
audio power amplifierInfo
- Publication number
- JPS58182509U JPS58182509U JP7793182U JP7793182U JPS58182509U JP S58182509 U JPS58182509 U JP S58182509U JP 7793182 U JP7793182 U JP 7793182U JP 7793182 U JP7793182 U JP 7793182U JP S58182509 U JPS58182509 U JP S58182509U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- capacitor
- audio power
- feedback circuit
- charging
- 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
Links
Landscapes
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のコンデンサ充電団結を含んだ音声電力増
幅器の一例の回路図、第２図は本考案の ゛一
実施例の回路図である。
１・・・・・・入力端子、２・・・・・・帰還端子、３
・・・・・・出力端子、４・・・・・・電源端子、５・
・・・・・接地端子、１０−・・・・・・前置ｆ’ａＪ
ＩＮ回路、２０・・・・・・出力回路、３０・・・・・
・帰還回路、４０．５０・・・・・・コシデンサ充電回
路、Ｃ２・・・・・・帰還回路直流しゃ断用コンデンサ
、Ｒ３・・・・・・帰還抵抗。FIG. 1 is a circuit diagram of an example of an audio power amplifier including a conventional capacitor charging unit, and FIG. 2 is a circuit diagram of an embodiment of the present invention. 1...Input terminal, 2...Feedback terminal, 3
...Output terminal, 4...Power terminal, 5.
...Grounding terminal, 10-...Prefix f'aJ
IN circuit, 20... Output circuit, 30...
・Feedback circuit, 40.50...Cocidenser charging circuit, C2...Feedback circuit DC cutoff capacitor, R3...Feedback resistor.
Claims (1)
ンサを電源投入の過渡期間に充電するための充電回路と
を備えた音声電力増幅器において、前記コンデンサの一
端と接地間に接続された前記交流帰還回路の帰還抵抗の
両端に、前記コンデンサの一端側にコレクタが接続され
たトランジスタを並列に接続し、前記トランジスタに電
源投入の過渡期間に前記コンデンサの充電電流を接地へ
流すことを特徴とする単一電源方式の音声電力増幅器。In an audio power amplifier comprising an AC feedback circuit and a charging circuit for charging a DC cutoff capacitor of the AC feedback circuit during a transition period when power is turned on, the AC feedback circuit is connected between one end of the capacitor and ground. A transistor having a collector connected to one end of the capacitor is connected in parallel to both ends of the feedback resistor, and a charging current of the capacitor is caused to flow to ground during a transition period when power is turned on to the transistor. Power supply type audio power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7793182U JPS58182509U (en) | 1982-05-27 | 1982-05-27 | audio power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7793182U JPS58182509U (en) | 1982-05-27 | 1982-05-27 | audio power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58182509U true JPS58182509U (en) | 1983-12-05 |
Family
ID=30087178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7793182U Pending JPS58182509U (en) | 1982-05-27 | 1982-05-27 | audio power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58182509U (en) |
-
1982
- 1982-05-27 JP JP7793182U patent/JPS58182509U/en active Pending
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