JPS58127731U - oscillation circuit - Google Patents
oscillation circuitInfo
- Publication number
- JPS58127731U JPS58127731U JP2359782U JP2359782U JPS58127731U JP S58127731 U JPS58127731 U JP S58127731U JP 2359782 U JP2359782 U JP 2359782U JP 2359782 U JP2359782 U JP 2359782U JP S58127731 U JPS58127731 U JP S58127731U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- oscillation circuit
- constant current
- inverting input
- input terminal
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の発振回路の一例を示す回路図、第２図は
第１図の動作説明に供する各部の波形図１、 第３図は
本考案による発振回路の一実施例を示す回路図、第４図
は本考案の効果を明らかにするため、温度変動による発
振周波数の変動に対する補正手段によって得られた特性
図である。
Ａ・・・・・・演算増幅器、Ｒ１−Ｒ３・・・・・・抵
抗、Ｃ・・・・・・コンデンサ、Ｄｌ、Ｄ２・・・・・
・ツェナーダイオード、Ｄ３． Ｄ、・・・・・・定電
流ダイオード。Fig. 1 is a circuit diagram showing an example of a conventional oscillation circuit, Fig. 2 is a waveform diagram of each part used to explain the operation of Fig. 1, and Fig. 3 is a circuit diagram showing an example of an oscillation circuit according to the present invention. , FIG. 4 is a characteristic diagram obtained by means of correcting oscillation frequency fluctuations due to temperature fluctuations, in order to clarify the effects of the present invention. A...Operation amplifier, R1-R3...Resistor, C...Capacitor, Dl, D2...
・Zener diode, D3. D, ... Constant current diode.
Claims (1)
および第３の抵抗の一端を接続した演算増幅器の出力端
に定電流ダイオードを直列接続し、この定電流ダイオー
ドの出力側をコンデンサを介して前記演算増幅器の非反
転入力端に接続し、かつ該定電流ダイオードの出力側に
前記第３の抵抗の他端およびツェナーダイオードを接続
してなる発振回路。A first resistor is connected to the non-inverting input terminal, and a second resistor is connected to the inverting input terminal.
A constant current diode is connected in series to the output terminal of the operational amplifier connected to one end of the third resistor, and the output side of the constant current diode is connected to the non-inverting input terminal of the operational amplifier via a capacitor. An oscillation circuit formed by connecting the other end of the third resistor and a Zener diode to the output side of a constant current diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2359782U JPS58127731U (en) | 1982-02-23 | 1982-02-23 | oscillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2359782U JPS58127731U (en) | 1982-02-23 | 1982-02-23 | oscillation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58127731U true JPS58127731U (en) | 1983-08-30 |
Family
ID=30035629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2359782U Pending JPS58127731U (en) | 1982-02-23 | 1982-02-23 | oscillation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58127731U (en) |
-
1982
- 1982-02-23 JP JP2359782U patent/JPS58127731U/en active Pending
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