JPS6443417U - - Google Patents
Info
- Publication number
- JPS6443417U JPS6443417U JP13788287U JP13788287U JPS6443417U JP S6443417 U JPS6443417 U JP S6443417U JP 13788287 U JP13788287 U JP 13788287U JP 13788287 U JP13788287 U JP 13788287U JP S6443417 U JPS6443417 U JP S6443417U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- terminal
- operational amplifier
- input terminal
- resistor
- 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 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図、第３図、第４図は従来のインパツト発振器
駆動用定電流電源の構成を示す図である。
図において、１はインパツト発振器、２は基準
電源、３は電流検出用抵抗、４は基準電源に流れ
る電流を制限する抵抗、５は電流制限抵抗、６は
トランジスタ、７はトランジスタ、８は演算増幅
器、９は直流電源である。なお、各図中同一符号
は同一または相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIGS. 2, 3, and 4 are diagrams showing the structure of a conventional constant current power supply for driving an impact oscillator. In the figure, 1 is an impact oscillator, 2 is a reference power supply, 3 is a current detection resistor, 4 is a resistor that limits the current flowing to the reference power supply, 5 is a current limiting resistor, 6 is a transistor, 7 is a transistor, and 8 is an operational amplifier. , 9 is a DC power supply. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
ナス端子に対して並列に基準電源と抵抗を接続し
たものを接続し、また前記直流電源のプラス端子
と演算増幅器の非反転入力端子の間に抵抗を接続
し、また前記基準電源と抵抗を接続したものの間
と演算増幅器の反転入力端子を接続し、演算増幅
器の出力端子をトランジスタのベース端子に接続
し、そのトランジスタのコレクタ端子は演算増幅
器の非反転入力端子と接続し、エミツタ端子はイ
ンパツト発振器の入力端子に接続したことを特徴
とするインパツト発振器駆動用定電流電源。 A DC power supply is connected with a reference power supply and a resistor connected in parallel to the positive and negative terminals of the DC power supply, and a resistor is connected between the positive terminal of the DC power supply and the non-inverting input terminal of the operational amplifier. The inverting input terminal of the operational amplifier is connected between the reference power supply and the resistor, and the output terminal of the operational amplifier is connected to the base terminal of the transistor, and the collector terminal of the transistor is connected to the non-inverting input terminal of the operational amplifier. A constant current power supply for driving an impact oscillator, characterized in that the emitter terminal is connected to the input terminal of the impact oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13788287U JPS6443417U (en) | 1987-09-09 | 1987-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13788287U JPS6443417U (en) | 1987-09-09 | 1987-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6443417U true JPS6443417U (en) | 1989-03-15 |
Family
ID=31399713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13788287U Pending JPS6443417U (en) | 1987-09-09 | 1987-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6443417U (en) |
-
1987
- 1987-09-09 JP JP13788287U patent/JPS6443417U/ja active Pending
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