NL136231C - - Google Patents
Info
- Publication number
- NL136231C NL136231C NL136231DA NL136231C NL 136231 C NL136231 C NL 136231C NL 136231D A NL136231D A NL 136231DA NL 136231 C NL136231 C NL 136231C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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)
- Amplifiers (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES63372A DE1087646B (de) | 1959-06-09 | 1959-06-09 | Anordnung zur Verstaerkung kurzer und sehr kurzer elektromagnetischer Wellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL136231C true NL136231C (da) |
Family
ID=7496337
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL136231D NL136231C (da) | 1959-06-09 | ||
| NL252456D NL252456A (da) | 1959-06-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL252456D NL252456A (da) | 1959-06-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3517209A (da) |
| BE (1) | BE591720A (da) |
| DE (1) | DE1087646B (da) |
| GB (1) | GB951310A (da) |
| NL (2) | NL252456A (da) |
| SE (1) | SE300635B (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3197708A (en) * | 1961-01-19 | 1965-07-27 | Rca Corp | Agc parametric amplifier with constant output signal level |
| US3195062A (en) * | 1961-01-19 | 1965-07-13 | Rca Corp | Agc parametric amplifier using negative bias and detuned circuits |
| US3226645A (en) * | 1962-04-18 | 1965-12-28 | Rca Corp | Parametric frequency converters |
| US3610946A (en) * | 1969-05-02 | 1971-10-05 | Bell Telephone Labor Inc | Broadband varactor upconverter |
| US4160215A (en) * | 1978-04-28 | 1979-07-03 | Westinghouse Electric Corp. | Single diode upper sideband terminated parametric amplifier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3040267A (en) * | 1959-06-22 | 1962-06-19 | Bell Telephone Labor Inc | Negative resistance amplifier circuits |
-
0
- NL NL136231D patent/NL136231C/xx active
- NL NL252456D patent/NL252456A/xx unknown
-
1959
- 1959-06-09 DE DES63372A patent/DE1087646B/de active Pending
-
1960
- 1960-06-09 SE SE5681/60A patent/SE300635B/xx unknown
- 1960-06-09 BE BE591720A patent/BE591720A/fr unknown
- 1960-06-09 GB GB20324/60A patent/GB951310A/en not_active Expired
-
1966
- 1966-08-24 US US574817A patent/US3517209A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL252456A (da) | |
| US3517209A (en) | 1970-06-23 |
| BE591720A (fr) | 1960-10-03 |
| DE1087646B (de) | 1960-08-25 |
| SE300635B (da) | 1968-05-06 |
| GB951310A (en) | 1964-03-04 |