JPS59178720U - Stabilized power supply circuit - Google Patents
Stabilized power supply circuitInfo
- Publication number
- JPS59178720U JPS59178720U JP7066583U JP7066583U JPS59178720U JP S59178720 U JPS59178720 U JP S59178720U JP 7066583 U JP7066583 U JP 7066583U JP 7066583 U JP7066583 U JP 7066583U JP S59178720 U JPS59178720 U JP S59178720U
- Authority
- JP
- Japan
- Prior art keywords
- whose
- power supply
- stabilized power
- supply circuit
- input terminal
- 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
- Continuous-Control Power Sources That Use Transistors (AREA)
- Power Conversion In General (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
第１図はオーディオ増幅器のブロック図、第２図は従来
の安定化電源回路の回路図、第３図は第２図における動
作状態での入力、出力電圧波形を示す図、第４図は本考
案の一実施例を示す回路図、第５図は第４図における動
作状態での入力、出力電圧波形を示す図である。
図に°おいて、１・・・・・・入力抵抗、２・・・・・
・安定化電源回路、３・・・・・・前置増幅器、４・・
・・・・出力段増幅器、５・・・・・・負荷、８・・・
・・・出力トランジスタ、９・・・・・・誤差増幅器、
１０・・・・・・定電流回路、１１・・・基準電圧゛
回路、１２．１３・・・・・・出力電圧分割抵抗、１４
・・・・・・立上り時定数設定用コンデンサ。
千２回
！−ノ宗′
／り；７
千３Ｉ￥１Figure 1 is a block diagram of an audio amplifier, Figure 2 is a circuit diagram of a conventional stabilized power supply circuit, Figure 3 is a diagram showing the input and output voltage waveforms in the operating state in Figure 2, and Figure 4 is a diagram of this book. FIG. 5 is a circuit diagram showing an embodiment of the invention, and is a diagram showing input and output voltage waveforms in the operating state in FIG. 4. At ° in the figure, 1... Input resistance, 2...
・Stabilized power supply circuit, 3... Preamplifier, 4...
...Output stage amplifier, 5...Load, 8...
...Output transistor, 9...Error amplifier,
10...constant current circuit, 11...reference voltage゛
Circuit, 12.13... Output voltage division resistor, 14
・・・・・・Capacitor for setting rise time constant. A thousand and two times! -Nosou'/ri;7 1,000 3I ¥1
Claims (1)
抗の他端に一端が接続され他端が接地される第２の抵抗
と、該第１、第２の抵抗の共通接続点が一方の入力端子
に接続される誤差増幅器と、該誤差増幅器の他方の入力
端子に一端が共通接続され他端がそれぞれ接地される基
準電圧回路及び入力端子に接続される定電流回路と、エ
ミッタが前記出力端子にコレクタが前記入力端子にベー
スが前記誤差増幅器の出力端子に接続されるトランジス
タとからなる安定化電源回路において、前記基準電圧回
路と並列にコンデンサが接続されてなることを特徴とす
る安定化電源回路。A first resistor whose one end is connected to the output terminal, a second resistor whose one end is connected to the other end of the first resistor and whose other end is grounded, and a common connection between the first and second resistors. an error amplifier whose point is connected to one input terminal; a reference voltage circuit whose one end is commonly connected to the other input terminal of the error amplifier and whose other ends are each grounded; and a constant current circuit connected to the input terminal; A stabilized power supply circuit comprising a transistor whose emitter is connected to the output terminal, whose collector is connected to the input terminal, and whose base is connected to the output terminal of the error amplifier, characterized in that a capacitor is connected in parallel with the reference voltage circuit. A stabilized power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7066583U JPS59178720U (en) | 1983-05-12 | 1983-05-12 | Stabilized power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7066583U JPS59178720U (en) | 1983-05-12 | 1983-05-12 | Stabilized power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59178720U true JPS59178720U (en) | 1984-11-29 |
Family
ID=30200815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7066583U Pending JPS59178720U (en) | 1983-05-12 | 1983-05-12 | Stabilized power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59178720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006215851A (en) * | 2005-02-04 | 2006-08-17 | Toshiba Corp | Semiconductor integrated circuit |
-
1983
- 1983-05-12 JP JP7066583U patent/JPS59178720U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006215851A (en) * | 2005-02-04 | 2006-08-17 | Toshiba Corp | Semiconductor integrated circuit |
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