JPS5783911A - Transistor circuit - Google Patents
Transistor circuitInfo
- Publication number
- JPS5783911A JPS5783911A JP55158200A JP15820080A JPS5783911A JP S5783911 A JPS5783911 A JP S5783911A JP 55158200 A JP55158200 A JP 55158200A JP 15820080 A JP15820080 A JP 15820080A JP S5783911 A JPS5783911 A JP S5783911A
- Authority
- JP
- Japan
- Prior art keywords
- current
- ratio
- base
- emitter
- input
- 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
Abstract
PURPOSE: To set the ratio of an input and an output current by rhe ratio of a saturation current, by using two transistors (TR) having the opposite polarities.
CONSTITUTION: A PNP TR11 and an NPN TR12 are used; the emitter of the TR11 and the base of the TR12 are connected mutually, and the base and collector of the TR11 and the emitter of the TR12 are grounded in common. When the base current of the TR11 is disregarded, the ratio of an input current 13 and an output current 14 is equal to the ratio of the saturation current of the TR11 and that of the TR12, and its value is nearly constant without reference to fluctuations of temperature. When the TR11 is of a lateral PNP type, the effective base density ratio of the both is about 100, so the both are equalized in emitter area and base thickness, so that the output current is decreased to one- hundredth the input current.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55158200A JPS5783911A (en) | 1980-11-12 | 1980-11-12 | Transistor circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55158200A JPS5783911A (en) | 1980-11-12 | 1980-11-12 | Transistor circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5783911A true JPS5783911A (en) | 1982-05-26 |
Family
ID=15666453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55158200A Pending JPS5783911A (en) | 1980-11-12 | 1980-11-12 | Transistor circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5783911A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4893091A (en) * | 1988-10-11 | 1990-01-09 | Burr-Brown Corporation | Complementary current mirror for correcting input offset voltage of diamond follower, especially as input stage for wide-band amplifier |
-
1980
- 1980-11-12 JP JP55158200A patent/JPS5783911A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4893091A (en) * | 1988-10-11 | 1990-01-09 | Burr-Brown Corporation | Complementary current mirror for correcting input offset voltage of diamond follower, especially as input stage for wide-band amplifier |
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