JPH0377534U - - Google Patents
Info
- Publication number
- JPH0377534U JPH0377534U JP1989138398U JP13839889U JPH0377534U JP H0377534 U JPH0377534 U JP H0377534U JP 1989138398 U JP1989138398 U JP 1989138398U JP 13839889 U JP13839889 U JP 13839889U JP H0377534 U JPH0377534 U JP H0377534U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pulse signal
- charging
- voltage
- frequency
- 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
- 238000007599 discharging Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Pulse Circuits (AREA)
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動作を説明するためのタ
イミングチヤート、第３図は本考案の一実施例の
タイミングチヤートの要部を説明するための図で
ある。
５……定電流回路、６……充放電回路、７……
電圧生成回路、８……コンパレータ、Ｒ１０，Ｒ
１１……デユーテイ比設定用抵抗、Ｃ５……充放
電用コンデンサ、Ｃ６……電圧保持用コンデンサ
。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a timing chart for explaining the operation of one embodiment of the present invention, and FIG. 3 is a diagram for explaining the main part of the timing chart of one embodiment of the present invention. 5... Constant current circuit, 6... Charge/discharge circuit, 7...
Voltage generation circuit, 8... comparator, R 10 , R
11 ... Resistor for duty ratio setting, C5 ... Capacitor for charging/discharging, C6 ... Capacitor for voltage holding.
Claims (1)
に応じた周波数で、かつ、予め決められた所定の
デユーテイ比を有するパルス信号を整形出力する
波形整形回路において、 前記入力パルス信号の周波数に応じたタイミン
グで充放電する充放電回路と、 前記充放電回路を一定電流で充電する定電流回
路と、 前記充放電回路の充電電圧レベルに前記所定の
デユーテイ比を乗じたレベルの電圧を前記入力パ
ルス信号の周波数に応じたタイミングで生成する
電圧生成回路と、 前記充放電回路に印加される電圧と前記電圧生
成回路の出力電圧とを比較しその大小関係に応じ
てレベルが変化するパルス信号を出力する比較回
路とを具備してなる波形整形回路。[Claims for Utility Model Registration] In a waveform shaping circuit that shapes and outputs a pulse signal from an input pulse signal at a frequency corresponding to the frequency of the input pulse signal and having a predetermined duty ratio, the input pulse A charging/discharging circuit that charges and discharges at a timing according to the frequency of a signal, a constant current circuit that charges the charging/discharging circuit with a constant current, and a charging voltage level of the charging/discharging circuit multiplied by the predetermined duty ratio. A voltage generation circuit that generates a voltage at a timing according to the frequency of the input pulse signal, and a voltage applied to the charge/discharge circuit and an output voltage of the voltage generation circuit are compared, and the level changes depending on the magnitude relationship. 1. A waveform shaping circuit comprising: a comparator circuit that outputs a pulse signal that outputs a pulse signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138398U JPH0377534U (en) | 1989-11-29 | 1989-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138398U JPH0377534U (en) | 1989-11-29 | 1989-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0377534U true JPH0377534U (en) | 1991-08-05 |
Family
ID=31685499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989138398U Pending JPH0377534U (en) | 1989-11-29 | 1989-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0377534U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57211823A (en) * | 1981-06-23 | 1982-12-25 | Nec Corp | Clock pulse generator |
| JPS63131611A (en) * | 1986-11-20 | 1988-06-03 | Sony Corp | Pulse generating circuit |
-
1989
- 1989-11-29 JP JP1989138398U patent/JPH0377534U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57211823A (en) * | 1981-06-23 | 1982-12-25 | Nec Corp | Clock pulse generator |
| JPS63131611A (en) * | 1986-11-20 | 1988-06-03 | Sony Corp | Pulse generating circuit |
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