JPS6481520A - Darlington circuit - Google Patents
Darlington circuitInfo
- Publication number
- JPS6481520A JPS6481520A JP62237453A JP23745387A JPS6481520A JP S6481520 A JPS6481520 A JP S6481520A JP 62237453 A JP62237453 A JP 62237453A JP 23745387 A JP23745387 A JP 23745387A JP S6481520 A JPS6481520 A JP S6481520A
- Authority
- JP
- Japan
- Prior art keywords
- bipolar
- potential
- base
- emitter
- output signal
- 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.)
- Granted
Links
Landscapes
- Logic Circuits (AREA)
- Electronic Switches (AREA)
Abstract
PURPOSE:To attain high switching speed of an output signal by varying an on-resistor of a field effect transistor(TR) according to the potential of an output signal. CONSTITUTION:A P-channel MOS TR P1 acts like a variable resistive element varying the base-emitter resistance of a bipolar TR Q12 according to the emitter potential of the bipolar TR Q12. Thus, the base potential and output potential of a bipolar TR Q11 are at a low level, then the base potential of the bipolar TR Q11 rises and it is turned on and the emitter current of the bipolar TR Q11 is all fed to the base of the bipolar TR Q12. Thus, the switching from the off-state to the on-state of the bipolar TR Q12 is quickened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237453A JPS6481520A (en) | 1987-09-24 | 1987-09-24 | Darlington circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237453A JPS6481520A (en) | 1987-09-24 | 1987-09-24 | Darlington circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6481520A true JPS6481520A (en) | 1989-03-27 |
JPH0477485B2 JPH0477485B2 (en) | 1992-12-08 |
Family
ID=17015569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62237453A Granted JPS6481520A (en) | 1987-09-24 | 1987-09-24 | Darlington circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6481520A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55154826A (en) * | 1979-05-21 | 1980-12-02 | Exxon Research Engineering Co | Switching circuit |
JPS58526U (en) * | 1981-06-26 | 1983-01-05 | スタンレー電気株式会社 | Switching transistor circuit device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58526B2 (en) * | 1975-12-29 | 1983-01-07 | 旭化成株式会社 | Renzokukihouhekinyoru Odakukakusanboushikouhou |
-
1987
- 1987-09-24 JP JP62237453A patent/JPS6481520A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55154826A (en) * | 1979-05-21 | 1980-12-02 | Exxon Research Engineering Co | Switching circuit |
JPS58526U (en) * | 1981-06-26 | 1983-01-05 | スタンレー電気株式会社 | Switching transistor circuit device |
Also Published As
Publication number | Publication date |
---|---|
JPH0477485B2 (en) | 1992-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |