JPS57141110A - Differential amplifier - Google Patents
Differential amplifierInfo
- Publication number
- JPS57141110A JPS57141110A JP2737981A JP2737981A JPS57141110A JP S57141110 A JPS57141110 A JP S57141110A JP 2737981 A JP2737981 A JP 2737981A JP 2737981 A JP2737981 A JP 2737981A JP S57141110 A JPS57141110 A JP S57141110A
- Authority
- JP
- Japan
- Prior art keywords
- trs
- voltage
- common
- resistance
- biased
- 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 increase the linear range of mutual conductance by connecting the corresponding-side collectors of transistors (TR) in a differential couple to a common load resistance, and applying different bias voltages to the other-side bases of the TRs.
CONSTITUTION: Transistors TRs T1 and T2, and T3 and T4 form differential couples. The TRs T2 and T4 use a resistance Ra as a common collector load, and the TRs T1 and T3 use a resistance Rb as a common collector load. The base of the TRs T2 and T4 are connected in common and biased by a voltage Vb2. The bases of the TRs T1 and T3 are independent of each other, and biased by a voltage Vb1 and a voltage Vb1+ΔVb. Consequently, the range of mutual conductance which is considered to be linear is made about three times as wide as that of a single differential couple.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2737981A JPS57141110A (en) | 1981-02-25 | 1981-02-25 | Differential amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2737981A JPS57141110A (en) | 1981-02-25 | 1981-02-25 | Differential amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57141110A true JPS57141110A (en) | 1982-09-01 |
Family
ID=12219407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2737981A Pending JPS57141110A (en) | 1981-02-25 | 1981-02-25 | Differential amplifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57141110A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62190908A (en) * | 1986-02-17 | 1987-08-21 | Nec Corp | Differential amplifier |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55121716A (en) * | 1979-03-14 | 1980-09-19 | Nippon Columbia Co Ltd | Amplification circuit |
-
1981
- 1981-02-25 JP JP2737981A patent/JPS57141110A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55121716A (en) * | 1979-03-14 | 1980-09-19 | Nippon Columbia Co Ltd | Amplification circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62190908A (en) * | 1986-02-17 | 1987-08-21 | Nec Corp | Differential amplifier |
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