JPH0438121U - - Google Patents
Info
- Publication number
- JPH0438121U JPH0438121U JP7939290U JP7939290U JPH0438121U JP H0438121 U JPH0438121 U JP H0438121U JP 7939290 U JP7939290 U JP 7939290U JP 7939290 U JP7939290 U JP 7939290U JP H0438121 U JPH0438121 U JP H0438121U
- Authority
- JP
- Japan
- Prior art keywords
- low frequency
- operational amplifier
- amplifies
- frequency signal
- operational
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案による低周波電力増幅回路の一
実施例を示す回路図、第２図は従来の低周波電力
増幅回路の回路図である。
ＯＰ１……非反転増幅器（第１の演算増幅器）
、ＯＰ２……反転増幅器（第２の演算増幅器）、
Ｑ１，Ｑ２……トランジスタ（Ｂ級プツシユプル
回路）。
FIG. 1 is a circuit diagram showing an embodiment of a low frequency power amplifier circuit according to the present invention, and FIG. 2 is a circuit diagram of a conventional low frequency power amplifier circuit. OP 1 ...Non-inverting amplifier (first operational amplifier)
, OP 2 ... inverting amplifier (second operational amplifier),
Q 1 , Q 2 ...transistor (class B push-pull circuit).
Claims (1)
記第１の演算増幅器で増幅された前記低周波信号
の位相を反転して増幅する第２の演算増幅器と、
前記第１、第２の演算増幅器の出力が入力される
第１、第２の電力増幅器からなるＢ級プツシユプ
ル回路とを備えたことを特徴とする低周波電力増
幅回路。 a first operational amplifier that amplifies a low frequency signal; a second operational amplifier that inverts the phase of the low frequency signal amplified by the first operational amplifier and amplifies it;
A low frequency power amplifier circuit comprising: a class B push-pull circuit comprising first and second power amplifiers to which the outputs of the first and second operational amplifiers are input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7939290U JPH0438121U (en) | 1990-07-26 | 1990-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7939290U JPH0438121U (en) | 1990-07-26 | 1990-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438121U true JPH0438121U (en) | 1992-03-31 |
Family
ID=31623515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7939290U Pending JPH0438121U (en) | 1990-07-26 | 1990-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438121U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937886A (en) * | 1982-07-27 | 1984-03-01 | Sanken Electric Co Ltd | Dc/ac conversion system |
-
1990
- 1990-07-26 JP JP7939290U patent/JPH0438121U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937886A (en) * | 1982-07-27 | 1984-03-01 | Sanken Electric Co Ltd | Dc/ac conversion system |
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