JPS61184313U - - Google Patents
Info
- Publication number
- JPS61184313U JPS61184313U JP5784686U JP5784686U JPS61184313U JP S61184313 U JPS61184313 U JP S61184313U JP 5784686 U JP5784686 U JP 5784686U JP 5784686 U JP5784686 U JP 5784686U JP S61184313 U JPS61184313 U JP S61184313U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- capacitor
- switching element
- voltage
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Amplifiers (AREA)
Description
第１図は交流増幅器の従来例を示す回路図、第
２図は本考案の充電回路の基本的構成を示す回路
図、第３図、第４図はそれぞれ本考案に係る第１
、第２の実施例を示す回路図である。
１……交流増幅回路、２，３……帰還素子、４
……コンデンサー、５……入力端子、６……出力
端子、７……帰還端子、１０……スイツチング素
子、１１……スイツチング素子電流入力端子、１
２……スイツチング素子ゲート端子、１３……ス
イツチング素子電流出力端子、１４……スイツチ
ング素子外部制御端子、１０ａ……サイリスタ、
１５，１６，１７，１９……トランジスタ、１８
……抵抗。
Fig. 1 is a circuit diagram showing a conventional example of an AC amplifier, Fig. 2 is a circuit diagram showing the basic configuration of a charging circuit of the present invention, and Figs.
, is a circuit diagram showing a second embodiment. 1... AC amplifier circuit, 2, 3... Feedback element, 4
... Capacitor, 5 ... Input terminal, 6 ... Output terminal, 7 ... Feedback terminal, 10 ... Switching element, 11 ... Switching element current input terminal, 1
2... Switching element gate terminal, 13... Switching element current output terminal, 14... Switching element external control terminal, 10a... Thyristor,
15, 16, 17, 19...transistor, 18
……resistance.
Claims (1)
ら該帰還端子に信号を負帰還する少くとも抵抗と
コンデンサとを含む負帰還回路とを備え、前記コ
ンデンサの充電電圧に応じて前記帰還端子のバイ
アス電圧が決まる増幅回路と、前記コンデンサに
充電電流を供給するサイリスタ構成のスイツチン
グ素子と、前記スイツチング素子のゲート端子に
前記コンデンサの充電電位を決める電圧を与えて
、前記コンデンサへの充電を前記帰還端子のバイ
アス電圧が前記入力端子のバイアス電圧より所定
電圧だけ高くなるまで行うように前記スイツチン
グ素子の導通を制御する手段と、前記コンデンサ
への充電電流を検出して、充電期間には前記出力
端子を接地電位に保つ手段とを含むことを特徴と
する増幅器。 A negative feedback circuit including an input terminal, a feedback terminal, an output terminal, and at least a resistor and a capacitor that negatively feeds back a signal from the output terminal to the feedback terminal, and biases the feedback terminal according to the charging voltage of the capacitor. an amplifier circuit that determines a voltage; a switching element having a thyristor configuration that supplies a charging current to the capacitor; and a voltage that determines the charging potential of the capacitor is applied to the gate terminal of the switching element, and the charging of the capacitor is controlled by the feedback terminal. means for controlling the conduction of the switching element so that the bias voltage of the switching element becomes higher than the bias voltage of the input terminal by a predetermined voltage; and means for maintaining the amplifier at ground potential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5784686U JPS628569Y2 (en) | 1986-04-17 | 1986-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5784686U JPS628569Y2 (en) | 1986-04-17 | 1986-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61184313U true JPS61184313U (en) | 1986-11-17 |
| JPS628569Y2 JPS628569Y2 (en) | 1987-02-27 |
Family
ID=30582769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5784686U Expired JPS628569Y2 (en) | 1986-04-17 | 1986-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS628569Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63245004A (en) * | 1987-03-31 | 1988-10-12 | Matsushita Electric Ind Co Ltd | Low frequency amplifier |
-
1986
- 1986-04-17 JP JP5784686U patent/JPS628569Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63245004A (en) * | 1987-03-31 | 1988-10-12 | Matsushita Electric Ind Co Ltd | Low frequency amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS628569Y2 (en) | 1987-02-27 |