JPH0464818U - - Google Patents
Info
- Publication number
- JPH0464818U JPH0464818U JP10639890U JP10639890U JPH0464818U JP H0464818 U JPH0464818 U JP H0464818U JP 10639890 U JP10639890 U JP 10639890U JP 10639890 U JP10639890 U JP 10639890U JP H0464818 U JPH0464818 U JP H0464818U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- amplifier
- output
- input terminal
- output voltage
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Amplifiers (AREA)
Description
第１図乃至第４図は本考案実施例を示す。第１
図は、本考案の交流増幅器の一実施例の回路図、
第２図は、交流増幅器の端子Ａから入力される入
力信号の波形図、第３図は、交流増幅器の端子Ｂ
から出力される出力信号の波形図、第４図は、オ
ペアンプＩＣの正極電源端子と負極電源端子に夫
々入力される電源電圧の波形図である。
Ａ……入力信号端子、Ｂ……出力信号端子、＋
Ｂ，−Ｂ……入力電源電圧、ＩＣ……オペレーシ
ヨンアンプ、Ｃ１，Ｃ２……コンデンサー、ＴＲ
１，ＴＲ２……トランジスタ、Ｒ１，Ｒ２，Ｒ３
，Ｒ４，Ｒ５，Ｒ６……抵抗。
1 to 4 show embodiments of the present invention. 1st
The figure is a circuit diagram of an embodiment of the AC amplifier of the present invention.
Figure 2 is a waveform diagram of the input signal input from terminal A of the AC amplifier, and Figure 3 is a waveform diagram of the input signal input from terminal A of the AC amplifier.
FIG. 4 is a waveform diagram of the power supply voltage input to the positive power supply terminal and the negative power supply terminal of the operational amplifier IC, respectively. A...Input signal terminal, B...Output signal terminal, +
B, -B...Input power supply voltage, IC...Operation amplifier, C1 , C2 ...Capacitor, TR
1 , TR 2 ...transistor, R 1 , R 2 , R 3
, R 4 , R 5 , R 6 ...resistance.
Claims (1)
ーシヨンアンプの反転入力端子へ負帰還せしめる
と共に、該オペレーシヨンアンプの両電源入力端
子を、該オペレーシヨンアンプの出力電圧で操作
せしめられる２個のトランジスタのエミツタに、
夫々電解コンデンサを介して接続し、これにより
該アンプの出力の一部を電源入力端子側へ戻すこ
とにより出力電圧を増幅するようにしたことを特
徴とする交流増幅器。 A part of the output of the operational amplifier is negatively fed back to the inverting input terminal of the operational amplifier, and both power supply input terminals of the operational amplifier are operated by the output voltage of the operational amplifier. To Emitsuta,
1. An AC amplifier characterized in that the output voltage is amplified by connecting the two amplifiers through electrolytic capacitors, thereby returning a part of the output of the amplifier to the power input terminal side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10639890U JPH0464818U (en) | 1990-10-09 | 1990-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10639890U JPH0464818U (en) | 1990-10-09 | 1990-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464818U true JPH0464818U (en) | 1992-06-04 |
Family
ID=31852476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10639890U Pending JPH0464818U (en) | 1990-10-09 | 1990-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006140843A (en) * | 2004-11-12 | 2006-06-01 | Sharp Corp | Driving unit of operational amplifier, display device and electronic apparatus equipped therewith, as well as drive method for operational amplifier |
-
1990
- 1990-10-09 JP JP10639890U patent/JPH0464818U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006140843A (en) * | 2004-11-12 | 2006-06-01 | Sharp Corp | Driving unit of operational amplifier, display device and electronic apparatus equipped therewith, as well as drive method for operational amplifier |
| JP4684627B2 (en) * | 2004-11-12 | 2011-05-18 | シャープ株式会社 | Operational amplifier driving device, display device and electronic apparatus including the same, and operational amplifier driving method |
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