JPS5532419A - Driving circuit for step motor - Google Patents
Driving circuit for step motorInfo
- Publication number
- JPS5532419A JPS5532419A JP10337778A JP10337778A JPS5532419A JP S5532419 A JPS5532419 A JP S5532419A JP 10337778 A JP10337778 A JP 10337778A JP 10337778 A JP10337778 A JP 10337778A JP S5532419 A JPS5532419 A JP S5532419A
- Authority
- JP
- Japan
- Prior art keywords
- turned
- power
- step motor
- capacitor
- effect transistor
- 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
- 101150073536 FET3 gene Proteins 0.000 abstract 3
- 239000003990 capacitor Substances 0.000 abstract 3
- 230000005669 field effect Effects 0.000 abstract 3
- 101100484930 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) VPS41 gene Proteins 0.000 abstract 2
Landscapes
- Control Of Stepping Motors (AREA)
Abstract
PURPOSE:To drive a step motor under an optimal condition, by changing the width of driving pulses depending on the variation in the voltage of power. CONSTITUTION:When a clock signal is applied to an input terminal Vin, a field- effect transistor FET2 is turned on the another field-effect transistor FET3 is turned off and a capacitor C2 is quickly charged to the voltage VDD of power. When the potential of the clock signal becomes low the field-effect transistor FET2 is turned off and the other one FET3 is turned on and the capacitor C2 is discharged through the latter transistor FET3. When the terminal voltage of the capacitor C2 falls to a half of the power voltage VDD, the action of an inverter INV is switched over and an output pulse of width corresponding to the power voltage VDD appears on an output terminal Vout. The output oulse pulse is applied to the step motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10337778A JPS5532419A (en) | 1978-08-26 | 1978-08-26 | Driving circuit for step motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10337778A JPS5532419A (en) | 1978-08-26 | 1978-08-26 | Driving circuit for step motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5532419A true JPS5532419A (en) | 1980-03-07 |
Family
ID=14352397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10337778A Pending JPS5532419A (en) | 1978-08-26 | 1978-08-26 | Driving circuit for step motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5532419A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01164515U (en) * | 1988-05-07 | 1989-11-16 | ||
JPH0393496A (en) * | 1989-09-06 | 1991-04-18 | Oki Electric Ind Co Ltd | Driving circuit for stepping motor |
-
1978
- 1978-08-26 JP JP10337778A patent/JPS5532419A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01164515U (en) * | 1988-05-07 | 1989-11-16 | ||
JPH0393496A (en) * | 1989-09-06 | 1991-04-18 | Oki Electric Ind Co Ltd | Driving circuit for stepping motor |
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