JPH02130116U - - Google Patents
Info
- Publication number
- JPH02130116U JPH02130116U JP3926189U JP3926189U JPH02130116U JP H02130116 U JPH02130116 U JP H02130116U JP 3926189 U JP3926189 U JP 3926189U JP 3926189 U JP3926189 U JP 3926189U JP H02130116 U JPH02130116 U JP H02130116U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- output
- resistor
- positive phase
- resistor connected
- 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
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案に係る帰還増幅回路の一実施例
を示す回路図、第２図は第１図の帰還増幅回路の
構成を具体的に示す回路図、第３図及び第４図は
従来の帰還増幅回路を示す回路図である。
１……演算増幅器、２……逆相入力端子、３…
…正相入力端子、４〜７……抵抗、９……出力端
子。
FIG. 1 is a circuit diagram showing an embodiment of the feedback amplifier circuit according to the present invention, FIG. 2 is a circuit diagram specifically showing the configuration of the feedback amplifier circuit of FIG. 1, and FIGS. 3 and 4 are conventional circuit diagrams. FIG. 2 is a circuit diagram showing a feedback amplifier circuit of FIG. 1...Operation amplifier, 2...Negative phase input terminal, 3...
...Positive phase input terminal, 4 to 7...Resistor, 9...Output terminal.
Claims (1)
基づいた出力信号を出力端から出力する演算増幅
器と、 正相出力を得るための第１の入力端子と、 逆相出力を得るための第２の入力端子と、 前記第１の入力端子と前記正相入力端との間に
接続される第１の抵抗と、 前記正相入力端と基準電位との間に接続される
第２の抵抗と、 前記第２の入力端子と前記逆相入力端との間に
接続され前記第１の抵抗と同一の抵抗値を有する
第３の抵抗と、 前記逆相入力端と出力端との間に接続され前記
第２の抵抗と同一の抵抗値を有する第４の抵抗と
を具備したことを特徴とする帰還増幅回路。[Claims for Utility Model Registration] An operational amplifier that outputs an output signal from an output terminal based on signals input to a positive phase input terminal and a negative phase input terminal; a first input terminal for obtaining a positive phase output; , a second input terminal for obtaining a negative phase output, a first resistor connected between the first input terminal and the positive phase input terminal, and a connection between the positive phase input terminal and a reference potential. a third resistor connected between the second input terminal and the negative phase input terminal and having the same resistance value as the first resistor; A feedback amplifier circuit comprising: a fourth resistor connected between an input end and an output end and having the same resistance value as the second resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3926189U JPH02130116U (en) | 1989-04-04 | 1989-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3926189U JPH02130116U (en) | 1989-04-04 | 1989-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130116U true JPH02130116U (en) | 1990-10-26 |
Family
ID=31548015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3926189U Pending JPH02130116U (en) | 1989-04-04 | 1989-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130116U (en) |
-
1989
- 1989-04-04 JP JP3926189U patent/JPH02130116U/ja active Pending
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