NL252494A - - Google Patents
Info
- Publication number
- NL252494A NL252494A NL252494DA NL252494A NL 252494 A NL252494 A NL 252494A NL 252494D A NL252494D A NL 252494DA NL 252494 A NL252494 A NL 252494A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F7/00—Parametric amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F7/00—Parametric amplifiers
- H03F7/04—Parametric amplifiers using variable-capacitance element; using variable-permittivity element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES63416A DE1087647B (de) | 1959-06-11 | 1959-06-11 | Anordnung zur Verstaerkung kurzer und sehr kurzer elektromagnetischer Wellen mit einem Reaktanzmodulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL252494A true NL252494A (ja�@�@) |
Family
ID=7496365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL252494D NL252494A (ja�@�@) | 1959-06-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3353031A (ja�@�@) |
| BE (1) | BE591781A (ja�@�@) |
| DE (1) | DE1087647B (ja�@�@) |
| GB (1) | GB953067A (ja�@�@) |
| NL (1) | NL252494A (ja�@�@) |
| SE (1) | SE300446B (ja�@�@) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1389535A (fr) * | 1963-12-30 | 1965-02-19 | Csf | Amplificateur paramétrique sur lignes triplaques |
| GB1099505A (en) * | 1964-11-09 | 1968-01-17 | Gen Electric Co Ltd | Improvements in or relating to frequency changers |
| US3506930A (en) * | 1967-07-18 | 1970-04-14 | Collins Radio Co | Broadband multilevel phase modulation system employing digitally controlled signal reflection means |
| US3610946A (en) * | 1969-05-02 | 1971-10-05 | Bell Telephone Labor Inc | Broadband varactor upconverter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012203A (en) * | 1957-06-06 | 1961-12-05 | Bell Telephone Labor Inc | Traveling wave parametric amplifier |
| NL251038A (ja�@�@) * | 1959-04-30 | |||
| US2970275A (en) * | 1959-05-05 | 1961-01-31 | Rca Corp | Parametric amplifier device |
-
0
- NL NL252494D patent/NL252494A/xx unknown
-
1959
- 1959-06-11 DE DES63416A patent/DE1087647B/de active Pending
-
1960
- 1960-06-03 US US33838A patent/US3353031A/en not_active Expired - Lifetime
- 1960-06-10 BE BE591781A patent/BE591781A/fr unknown
- 1960-06-11 SE SE5746/60A patent/SE300446B/xx unknown
- 1960-06-13 GB GB20753/60A patent/GB953067A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE300446B (ja�@�@) | 1968-04-29 |
| DE1087647B (de) | 1960-08-25 |
| US3353031A (en) | 1967-11-14 |
| BE591781A (fr) | 1960-10-03 |
| GB953067A (en) | 1964-03-25 |