JPH0298511U - - Google Patents
Info
- Publication number
- JPH0298511U JPH0298511U JP656989U JP656989U JPH0298511U JP H0298511 U JPH0298511 U JP H0298511U JP 656989 U JP656989 U JP 656989U JP 656989 U JP656989 U JP 656989U JP H0298511 U JPH0298511 U JP H0298511U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- input terminal
- circuit
- current source
- constant current
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は本考案の一実施例のブロツク図、第２
図は本考案の一実施例の回路図、第３図は本考案
の一実施例の入力及び出力信号の波形図、第４図
は本考案の他の実施例のブロツク図、第５図は従
来の一例のブロツク図、第６図は従来の一例の入
力及び出力信号の波形図である。
１……演算増幅器、２……定電流源、Ｒｆ……
帰還抵抗。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a circuit diagram of one embodiment of the present invention, FIG. 3 is a waveform diagram of input and output signals of one embodiment of the present invention, FIG. 4 is a block diagram of another embodiment of the present invention, and FIG. FIG. 6 is a block diagram of a conventional example, and is a waveform diagram of input and output signals of a conventional example. 1... operational amplifier, 2... constant current source, Rf...
return resistance.
Claims (1)
算増幅器の入力端子と接続してなる増幅回路にお
いて、 該演算増幅器の該入力端子に定電流源を接続し
てなる増幅回路。[Claims for Utility Model Registration] An amplifier circuit comprising an output terminal of an operational amplifier connected to an input terminal of the operational amplifier via a feedback resistor, wherein a constant current source is connected to the input terminal of the operational amplifier. Amplification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP656989U JPH0298511U (en) | 1989-01-24 | 1989-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP656989U JPH0298511U (en) | 1989-01-24 | 1989-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0298511U true JPH0298511U (en) | 1990-08-06 |
Family
ID=31210862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP656989U Pending JPH0298511U (en) | 1989-01-24 | 1989-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0298511U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5347890U (en) * | 1977-05-28 | 1978-04-22 |
-
1989
- 1989-01-24 JP JP656989U patent/JPH0298511U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5347890U (en) * | 1977-05-28 | 1978-04-22 |