JPH01119217U - - Google Patents
Info
- Publication number
- JPH01119217U JPH01119217U JP1376188U JP1376188U JPH01119217U JP H01119217 U JPH01119217 U JP H01119217U JP 1376188 U JP1376188 U JP 1376188U JP 1376188 U JP1376188 U JP 1376188U JP H01119217 U JPH01119217 U JP H01119217U
- Authority
- JP
- Japan
- Prior art keywords
- shot multivibrator
- pulse
- circuit
- present
- generation 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
- 238000010277 constant-current charging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
Description
第１図は本考案の第１の実施例の回路図、第２
図は本考案の第２の実施例の回路図、第３図は第
２図の第２の実施例を複数個並列に用いるパルス
発生回路のブロツク図、第４図は従来のパルス発
生回路の一例の回路図、第５図は第４図のパルス
発生回路の動作を説明するための電源電圧変動時
の充電電圧及び出力電圧の波形図である。
１……ワンシヨツトマルチバイブレータＩＣ、
２……接続端子、３……入力端子、４……出力端
子、５……電源端子、６……接地端子、７，７ａ
，７ｂ……抵抗、８，８ａ，８ｂ……コンデンサ
、１０ａ，１０ｂ……定電流充電回路、１１……
演算増幅器、１２……入力端子、Ｑ１……ＦＥＴ
、Ｑ２……バイポーラトランジスタ。
Figure 1 is a circuit diagram of the first embodiment of the present invention;
The figure shows a circuit diagram of the second embodiment of the present invention, Figure 3 is a block diagram of a pulse generation circuit using a plurality of the second embodiment of Figure 2 in parallel, and Figure 4 shows a conventional pulse generation circuit. An example circuit diagram, FIG. 5, is a waveform diagram of charging voltage and output voltage when the power supply voltage fluctuates, for explaining the operation of the pulse generating circuit of FIG. 4. 1...One-shot multivibrator IC,
2... Connection terminal, 3... Input terminal, 4... Output terminal, 5... Power supply terminal, 6... Ground terminal, 7, 7a
, 7b... Resistor, 8, 8a, 8b... Capacitor, 10a, 10b... Constant current charging circuit, 11...
Operational amplifier, 12...input terminal, Q1 ...FET
, Q 2 ... bipolar transistor.
Claims (1)
ンシヨツトマルチバイブレータＩＣから出力され
るパルスのパルス幅を設定する前記ワンシヨツト
マルチバイブレータＩＣの外部に付加される能動
素子を有する定電流充電回路とを含むことを特徴
とするパルス発生回路。 The present invention is characterized by comprising a one-shot multivibrator IC, and a constant current charging circuit having an active element added outside the one-shot multivibrator IC that sets the pulse width of the pulse output from the one-shot multivibrator IC. Pulse generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376188U JPH01119217U (en) | 1988-02-03 | 1988-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376188U JPH01119217U (en) | 1988-02-03 | 1988-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01119217U true JPH01119217U (en) | 1989-08-11 |
Family
ID=31224349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1376188U Pending JPH01119217U (en) | 1988-02-03 | 1988-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01119217U (en) |
-
1988
- 1988-02-03 JP JP1376188U patent/JPH01119217U/ja active Pending