DE1137082B - Negativer Impedanzwandler - Google Patents
Negativer ImpedanzwandlerInfo
- Publication number
- DE1137082B DE1137082B DEW28299A DEW0028299A DE1137082B DE 1137082 B DE1137082 B DE 1137082B DE W28299 A DEW28299 A DE W28299A DE W0028299 A DEW0028299 A DE W0028299A DE 1137082 B DE1137082 B DE 1137082B
- Authority
- DE
- Germany
- Prior art keywords
- converter
- impedance
- transistor
- electrode
- transistors
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/16—Control of transmission; Equalising characterised by the negative-impedance network used
- H04B3/18—Control of transmission; Equalising characterised by the negative-impedance network used wherein the network comprises semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US831869A US3042759A (en) | 1959-08-05 | 1959-08-05 | Negative impedance repeaters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1137082B true DE1137082B (de) | 1962-09-27 |
Family
ID=25260054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEW28299A Pending DE1137082B (de) | 1959-08-05 | 1960-08-02 | Negativer Impedanzwandler |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3042759A (enEXAMPLES) |
| BE (1) | BE593599A (enEXAMPLES) |
| CH (1) | CH393438A (enEXAMPLES) |
| DE (1) | DE1137082B (enEXAMPLES) |
| GB (1) | GB954488A (enEXAMPLES) |
| NL (1) | NL138905B (enEXAMPLES) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3303437A (en) * | 1964-11-16 | 1967-02-07 | Bell Telephone Labor Inc | Building-out network for non-loaded transmission lines |
| US3953799A (en) * | 1968-10-23 | 1976-04-27 | The Bunker Ramo Corporation | Broadband VLF loop antenna system |
| FR2049278A5 (enEXAMPLES) * | 1969-06-05 | 1971-03-26 | Lassaigne Henri | |
| US3814866A (en) * | 1971-09-30 | 1974-06-04 | Reliable Electric Co | Negative resistance repeater |
| US3749856A (en) * | 1971-11-22 | 1973-07-31 | Gte Automatic Electric Lab Inc | Amplifying junctor circuit |
| US3860767A (en) * | 1972-09-26 | 1975-01-14 | Garrett Jim C | Voice frequency repeater |
| IT980548B (it) * | 1973-03-12 | 1974-10-10 | Applic Elettro Telefoniche Snc | Ripetitore ad impedenza negativa per linee telefoniche |
| CA987040A (en) * | 1973-08-08 | 1976-04-06 | Peter G. Junek | Enhancing impedance characteristics of negative impedance repeaters operating at high gain |
| NL7511542A (nl) * | 1975-10-01 | 1977-04-05 | Philips Nv | Netwerk met een transformator-gekoppelde nullaststabiele negatieve impedantie. |
| US4232280A (en) * | 1979-03-08 | 1980-11-04 | Hughes Aircraft Company | Network for simulating low temperature resistors |
| US4434497A (en) | 1981-12-22 | 1984-02-28 | Bell Telephone Laboratories, Incorporated | Response time bidirectional circuitry |
| US4607140A (en) * | 1984-03-05 | 1986-08-19 | Rockwell International Corp. | Build out capacitor circuit |
| US5612653A (en) * | 1995-06-07 | 1997-03-18 | Telecommunications Research Laboratories | LAN star connection using negative impedance for matching |
| US7230181B2 (en) * | 2004-04-16 | 2007-06-12 | Joseph William Simmons | Cord holding device and method of use |
| FR3044845B1 (fr) * | 2015-12-02 | 2019-03-15 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Circuit d'impedance negative |
| EP3930188A4 (en) * | 2019-02-19 | 2022-04-13 | Panasonic Intellectual Property Management Co., Ltd. | AMPLIFIER CIRCUIT |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2745068A (en) * | 1954-12-23 | 1956-05-08 | Bell Telephone Labor Inc | Transistor negative impedance converters |
| DE959561C (de) * | 1952-09-17 | 1957-03-07 | Western Electric Co | Negativer Impedanzwandler mit Transistoren |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2523294A (en) * | 1946-03-16 | 1950-09-26 | Farnsworth Res Corp | Self-tuning amplifier |
| US2547740A (en) * | 1946-09-13 | 1951-04-03 | Hartford Nat Bank & Trust Co | Contrast expansion circuit arrangement |
| US2878325A (en) * | 1954-04-15 | 1959-03-17 | Bell Telephone Labor Inc | Negative impedance repeaters |
-
1959
- 1959-08-05 US US831869A patent/US3042759A/en not_active Expired - Lifetime
-
1960
- 1960-05-03 GB GB15495/60A patent/GB954488A/en not_active Expired
- 1960-07-29 BE BE593599A patent/BE593599A/fr unknown
- 1960-08-01 NL NL60254429A patent/NL138905B/xx not_active IP Right Cessation
- 1960-08-02 DE DEW28299A patent/DE1137082B/de active Pending
- 1960-08-05 CH CH892460A patent/CH393438A/fr unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE959561C (de) * | 1952-09-17 | 1957-03-07 | Western Electric Co | Negativer Impedanzwandler mit Transistoren |
| US2745068A (en) * | 1954-12-23 | 1956-05-08 | Bell Telephone Labor Inc | Transistor negative impedance converters |
Also Published As
| Publication number | Publication date |
|---|---|
| BE593599A (fr) | 1960-11-14 |
| US3042759A (en) | 1962-07-03 |
| NL138905B (nl) | 1973-05-15 |
| GB954488A (en) | 1964-04-08 |
| NL254429A (enEXAMPLES) | 1964-03-25 |
| CH393438A (fr) | 1965-06-15 |
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