JPS63129314U - - Google Patents
Info
- Publication number
- JPS63129314U JPS63129314U JP2071287U JP2071287U JPS63129314U JP S63129314 U JPS63129314 U JP S63129314U JP 2071287 U JP2071287 U JP 2071287U JP 2071287 U JP2071287 U JP 2071287U JP S63129314 U JPS63129314 U JP S63129314U
- Authority
- JP
- Japan
- Prior art keywords
- emitter follower
- subtracts
- utility
- operational amplifier
- scope
- 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 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の第１実施例の構成を示す回路
図、第２図は本考案の第２実施例の構成を示す回
路図、第３図は本考案の第１実施例の変形例を示
す回路図、第４図は本考案の第２実施例の変形例
を示す回路図、第５図および第６図は従来例を示
す回路図である。
１０……バツフア増幅器、１１Ａ……ＰＮＰト
ランジスタ、１１Ｂ……ＮＰＮトランジスタ、１
３……定電流源、１４……演算増幅器からなる差
動増幅器。
FIG. 1 is a circuit diagram showing the configuration of the first embodiment of the present invention, FIG. 2 is a circuit diagram showing the configuration of the second embodiment of the present invention, and FIG. 3 is a modification of the first embodiment of the present invention. FIG. 4 is a circuit diagram showing a modification of the second embodiment of the present invention, and FIGS. 5 and 6 are circuit diagrams showing a conventional example. 10...Buffer amplifier, 11A...PNP transistor, 11B...NPN transistor, 1
3... A differential amplifier consisting of a constant current source and 14... an operational amplifier.
Claims (1)
号と前記エミツタホロワの出力信号とを減算する
演算増幅器とを備えたことを特徴とする増幅回路
。 An amplifier circuit comprising: an emitter follower; and an operational amplifier that subtracts an input signal of the emitter follower and an output signal of the emitter follower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2071287U JPS63129314U (en) | 1987-02-17 | 1987-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2071287U JPS63129314U (en) | 1987-02-17 | 1987-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63129314U true JPS63129314U (en) | 1988-08-24 |
Family
ID=30816477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2071287U Pending JPS63129314U (en) | 1987-02-17 | 1987-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63129314U (en) |
-
1987
- 1987-02-17 JP JP2071287U patent/JPS63129314U/ja active Pending
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