JPS4890657A - - Google Patents
Info
- Publication number
- JPS4890657A JPS4890657A JP48016692A JP1669273A JPS4890657A JP S4890657 A JPS4890657 A JP S4890657A JP 48016692 A JP48016692 A JP 48016692A JP 1669273 A JP1669273 A JP 1669273A JP S4890657 A JPS4890657 A JP S4890657A
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22717372A | 1972-02-17 | 1972-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4890657A true JPS4890657A (https=) | 1973-11-26 |
| JPS5325466B2 JPS5325466B2 (https=) | 1978-07-27 |
Family
ID=22852061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1669273A Expired JPS5325466B2 (https=) | 1972-02-17 | 1973-02-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3750041A (https=) |
| JP (1) | JPS5325466B2 (https=) |
| DE (1) | DE2307514C3 (https=) |
| IT (1) | IT977163B (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51121236A (en) * | 1975-04-16 | 1976-10-23 | Mitsubishi Electric Corp | A transistor amplifying circuit |
| JPS5228841A (en) * | 1975-08-29 | 1977-03-04 | Hitachi Ltd | High input impedance amplifier |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH642205A5 (fr) * | 1981-06-29 | 1984-03-30 | Asulab Sa | Circuit amplificateur pour sonde de mesure. |
| FR2511560A1 (fr) * | 1981-08-11 | 1983-02-18 | Asulab Sa | Circuit amplificateur |
| US4524331A (en) * | 1982-09-13 | 1985-06-18 | Orion Industries, Inc. | High input impedance amplifier circuit |
| GB2414878B (en) * | 2004-06-11 | 2006-05-17 | Toumaz Technology Ltd | High impedance circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3169228A (en) * | 1961-06-26 | 1965-02-09 | Rca Corp | Transistor amplifier with diode feedback circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744169A (en) * | 1955-02-07 | 1956-05-01 | Hughes Aircraft Co | Pulse amplifier |
| US3447092A (en) * | 1966-11-09 | 1969-05-27 | Philco Ford Corp | Transistor amplifying circuit having high input impedance and temperature-stabilized output potential |
| US3582801A (en) * | 1969-04-10 | 1971-06-01 | Trw Inc | Voltage amplifying circuit |
-
1972
- 1972-02-17 US US00227173A patent/US3750041A/en not_active Expired - Lifetime
-
1973
- 1973-02-01 IT IT48017/73A patent/IT977163B/it active
- 1973-02-12 JP JP1669273A patent/JPS5325466B2/ja not_active Expired
- 1973-02-15 DE DE2307514A patent/DE2307514C3/de not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3169228A (en) * | 1961-06-26 | 1965-02-09 | Rca Corp | Transistor amplifier with diode feedback circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51121236A (en) * | 1975-04-16 | 1976-10-23 | Mitsubishi Electric Corp | A transistor amplifying circuit |
| JPS5228841A (en) * | 1975-08-29 | 1977-03-04 | Hitachi Ltd | High input impedance amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2307514B2 (de) | 1979-10-25 |
| JPS5325466B2 (https=) | 1978-07-27 |
| DE2307514C3 (de) | 1980-07-10 |
| IT977163B (it) | 1974-09-10 |
| DE2307514A1 (de) | 1973-09-06 |
| US3750041A (en) | 1973-07-31 |