JPS5781725A - Semiconductor controlling circuit - Google Patents
Semiconductor controlling circuitInfo
- Publication number
- JPS5781725A JPS5781725A JP15874180A JP15874180A JPS5781725A JP S5781725 A JPS5781725 A JP S5781725A JP 15874180 A JP15874180 A JP 15874180A JP 15874180 A JP15874180 A JP 15874180A JP S5781725 A JPS5781725 A JP S5781725A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- thyristor
- series
- base
- capacitor
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for ac voltages or currents
Landscapes
- Power Conversion In General (AREA)
- Thyristor Switches And Gates (AREA)
Abstract
PURPOSE:To ensure assured on/off control for a semiconductor control circuit, by securing a series connection between a transistor (TR) and a 3-terminal two- way thyristor and then switching a load. CONSTITUTION:A series circuit of a load L and an AC power supply AC is connected to AC input terminals A1 and A2 of a full-wave rectifying circuit BR. A series circuit of a TR and a 3-terminal two-way thyristor is connected between DC output terminals B1 and B2 of the circuit BR. A control circuit consists of a resistance R6 connected between the collector and the base of the TR, a capacitor C9 plus resistances R1 and R2 which are connected in series between the base of the TR and the gate of the thyristor, and a resistance R9 connected in parallel to the capacitor C9. Then a switch SW is closed to supply the base current of the TR and the gate current of the thyristor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15874180A JPS5781725A (en) | 1980-11-10 | 1980-11-10 | Semiconductor controlling circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15874180A JPS5781725A (en) | 1980-11-10 | 1980-11-10 | Semiconductor controlling circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5781725A true JPS5781725A (en) | 1982-05-21 |
Family
ID=15678315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15874180A Pending JPS5781725A (en) | 1980-11-10 | 1980-11-10 | Semiconductor controlling circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5781725A (en) |
-
1980
- 1980-11-10 JP JP15874180A patent/JPS5781725A/en active Pending
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