JPS6261525U - - Google Patents
Info
- Publication number
- JPS6261525U JPS6261525U JP15095785U JP15095785U JPS6261525U JP S6261525 U JPS6261525 U JP S6261525U JP 15095785 U JP15095785 U JP 15095785U JP 15095785 U JP15095785 U JP 15095785U JP S6261525 U JPS6261525 U JP S6261525U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- circuit
- ratio
- operational amplifier
- signal input
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案の故障検知対象となる増幅回路を示す
回路図である。
ＴＤＣ…故障検知回路、Ａ…オペアンプ（演算
増幅器）、Ｒｓ，Ｒｆ，Ｒｃ，Ｒｃ…抵抗（抵抗
器）、ＳＷ１，ＳＷ２…切換スイツチ。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing an amplifier circuit that is subject to failure detection according to the present invention. TDC... Failure detection circuit, A... operational amplifier (operational amplifier), Rs, Rf, Rc, Rc... resistor (resistor), SW1, SW2... changeover switch.
Claims (1)
間に接続した抵抗Ｒｆとの比により所定の増幅度
を得る演算増幅器に於いて、上記各抵抗Ｒｓ，Ｒ
ｆに対応して設けられる一対の抵抗の比が１とな
るような抵抗回路と、上記演算増幅器による信号
路と上記抵抗回路による信号路とを選択的に切換
えるスイツチ回路とからなることを特徴とする演
算増幅器の故障検知回路。 In an operational amplifier that obtains a predetermined amplification degree by the ratio of the resistor Rs connected to the signal input terminal and the resistor Rf connected between the signal input and output terminals, each of the above-mentioned resistors Rs, R
It is characterized by comprising a resistor circuit such that the ratio of a pair of resistors provided corresponding to f is 1, and a switch circuit that selectively switches between a signal path by the operational amplifier and a signal path by the resistor circuit. Failure detection circuit for operational amplifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15095785U JPS6261525U (en) | 1985-10-02 | 1985-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15095785U JPS6261525U (en) | 1985-10-02 | 1985-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6261525U true JPS6261525U (en) | 1987-04-16 |
Family
ID=31067570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15095785U Pending JPS6261525U (en) | 1985-10-02 | 1985-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6261525U (en) |
-
1985
- 1985-10-02 JP JP15095785U patent/JPS6261525U/ja active Pending