JPS5623323B2 - - Google Patents
Info
- Publication number
- JPS5623323B2 JPS5623323B2 JP4563878A JP4563878A JPS5623323B2 JP S5623323 B2 JPS5623323 B2 JP S5623323B2 JP 4563878 A JP4563878 A JP 4563878A JP 4563878 A JP4563878 A JP 4563878A JP S5623323 B2 JPS5623323 B2 JP S5623323B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45046—Indexing scheme relating to differential amplifiers the base current of the amplifying transistors of a dif amp being compensated for providing a greater input impedance of the amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4563878A JPS54137263A (en) | 1978-04-18 | 1978-04-18 | Dc amplifier |
US06/030,793 US4258331A (en) | 1978-04-18 | 1979-04-17 | Differential amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4563878A JPS54137263A (en) | 1978-04-18 | 1978-04-18 | Dc amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54137263A JPS54137263A (en) | 1979-10-24 |
JPS5623323B2 true JPS5623323B2 (ja) | 1981-05-30 |
Family
ID=12724896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4563878A Granted JPS54137263A (en) | 1978-04-18 | 1978-04-18 | Dc amplifier |
Country Status (2)
Country | Link |
---|---|
US (1) | US4258331A (ja) |
JP (1) | JPS54137263A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005269555A (ja) * | 2004-03-22 | 2005-09-29 | New Japan Radio Co Ltd | 入力電流補償回路付き差動増幅回路 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152709A (en) * | 1981-03-18 | 1982-09-21 | Nec Corp | Amplifying circuit |
JPS58200610A (ja) * | 1982-05-18 | 1983-11-22 | Sony Corp | 高入力インピーダンス回路 |
US4567384A (en) * | 1982-12-27 | 1986-01-28 | Motorola, Inc. | Voltage offset producing circuit for use with a line receiver or the like |
US5113146A (en) * | 1990-03-21 | 1992-05-12 | U.S. Philips Corp. | Amplifier arrangement |
EP1261083A1 (en) * | 2001-05-25 | 2002-11-27 | Agilent Technologies, Inc. (a Delaware corporation) | Driver circuit apparatus, measuring circuit apparatus and amplifier circuit apparatus therefor |
JP6171311B2 (ja) * | 2012-11-12 | 2017-08-02 | 住友電気工業株式会社 | 差動増幅回路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3717821A (en) * | 1972-02-11 | 1973-02-20 | Rca Corp | Circuit for minimizing the signal currents drawn by the input stage of an amplifier |
-
1978
- 1978-04-18 JP JP4563878A patent/JPS54137263A/ja active Granted
-
1979
- 1979-04-17 US US06/030,793 patent/US4258331A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3717821A (en) * | 1972-02-11 | 1973-02-20 | Rca Corp | Circuit for minimizing the signal currents drawn by the input stage of an amplifier |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005269555A (ja) * | 2004-03-22 | 2005-09-29 | New Japan Radio Co Ltd | 入力電流補償回路付き差動増幅回路 |
JP4592309B2 (ja) * | 2004-03-22 | 2010-12-01 | 新日本無線株式会社 | 入力電流補償回路付き差動増幅回路 |
Also Published As
Publication number | Publication date |
---|---|
US4258331A (en) | 1981-03-24 |
JPS54137263A (en) | 1979-10-24 |