JPS54127262A - Darlington circuit device - Google Patents
Darlington circuit deviceInfo
- Publication number
- JPS54127262A JPS54127262A JP3476578A JP3476578A JPS54127262A JP S54127262 A JPS54127262 A JP S54127262A JP 3476578 A JP3476578 A JP 3476578A JP 3476578 A JP3476578 A JP 3476578A JP S54127262 A JPS54127262 A JP S54127262A
- Authority
- JP
- Japan
- Prior art keywords
- circuit device
- transistor
- base
- darlington circuit
- stage 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
Landscapes
- Amplifiers (AREA)
Abstract
PURPOSE: To improve switching characteristics by connecting a Schottky barrier diode in reverse parallel between the base and emitter of a drive-stage transistor.
CONSTITUTION: Drive-stage transistor Tr1 and output-stage transistor Tr2 are Darlington-connected and between the base and emitter of transistor Tr1 (i.e. to the base of transistor Tr2), Schottky barrier diode SBD is connected in reverse parallel.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3476578A JPS54127262A (en) | 1978-03-25 | 1978-03-25 | Darlington circuit device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3476578A JPS54127262A (en) | 1978-03-25 | 1978-03-25 | Darlington circuit device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54127262A true JPS54127262A (en) | 1979-10-03 |
Family
ID=12423393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3476578A Pending JPS54127262A (en) | 1978-03-25 | 1978-03-25 | Darlington circuit device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54127262A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4542399A (en) * | 1983-02-22 | 1985-09-17 | National Semiconductor Corporation | Feed forward Darlington circuit |
-
1978
- 1978-03-25 JP JP3476578A patent/JPS54127262A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4542399A (en) * | 1983-02-22 | 1985-09-17 | National Semiconductor Corporation | Feed forward Darlington circuit |
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