JPS62125025U - - Google Patents
Info
- Publication number
- JPS62125025U JPS62125025U JP512386U JP512386U JPS62125025U JP S62125025 U JPS62125025 U JP S62125025U JP 512386 U JP512386 U JP 512386U JP 512386 U JP512386 U JP 512386U JP S62125025 U JPS62125025 U JP S62125025U
- Authority
- JP
- Japan
- Prior art keywords
- output
- oscillation circuit
- operational amplifier
- transistor
- circuit
- 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
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案の一実施例の構成を示す回路図
。第２図は従来例の構成を示す回路図。第３図は
この種発振回路の作用を説明する波形図。
Ｕ１…演算増幅器、Ｑ１…トランジスタ、Ｄ１
…ダイオード、Ｃ…コンデンサ、Ｒ，Ｒ１，Ｒ２
，Ｒ３Ａ，Ｒ４Ａ，Ｒ５Ａ，Ｒ６ＡおよびＲ７…
抵抗。
FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention. FIG. 2 is a circuit diagram showing the configuration of a conventional example. FIG. 3 is a waveform diagram illustrating the operation of this type of oscillation circuit. U 1 ... operational amplifier, Q 1 ... transistor, D 1
...Diode, C...Capacitor, R, R 1 , R 2
, R 3 A, R 4 A, R 5 A, R 6 A and R 7 ...
resistance.
Claims (1)
路の出力を受ける時定数回路の出力が負帰還され
て方形波の出力を発生する発振回路において、前
記演算増幅器の出力によつて駆動されるトランジ
スタを少なくとも備え、前記トランジスタのエミ
ツタまたはコレクタから出力を取出すようにした
ことを特徴とする発振回路。 An oscillation circuit in which an output of a time constant circuit receiving an output of a Schmitt trigger circuit formed from an operational amplifier is negatively fed back to generate a square wave output, the oscillation circuit comprising at least a transistor driven by the output of the operational amplifier, An oscillation circuit characterized in that an output is taken from the emitter or collector of a transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP512386U JPS62125025U (en) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP512386U JPS62125025U (en) | 1986-01-20 | 1986-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62125025U true JPS62125025U (en) | 1987-08-08 |
Family
ID=30786416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP512386U Pending JPS62125025U (en) | 1986-01-20 | 1986-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125025U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5469945A (en) * | 1977-11-16 | 1979-06-05 | Hitachi Ltd | Oscillator circuit |
-
1986
- 1986-01-20 JP JP512386U patent/JPS62125025U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5469945A (en) * | 1977-11-16 | 1979-06-05 | Hitachi Ltd | Oscillator circuit |