FR646790A - Amplificateur à radio-fréquence - Google Patents
Amplificateur à radio-fréquenceInfo
- Publication number
- FR646790A FR646790A FR646790DA FR646790A FR 646790 A FR646790 A FR 646790A FR 646790D A FR646790D A FR 646790DA FR 646790 A FR646790 A FR 646790A
- Authority
- FR
- France
- Prior art keywords
- radio frequency
- frequency amplifier
- amplifier
- radio
- frequency
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/006—One-port networks comprising only passive electrical elements as network components comprising simultaneously tunable inductance and capacitance
-
- 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
- H03F1/16—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US222009A US1894503A (en) | 1927-09-26 | 1927-09-26 | Radio frequency amplifier |
| CA1894503X | 1927-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR646790A true FR646790A (fr) | 1928-11-15 |
Family
ID=34081413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR646790D Expired FR646790A (fr) | 1927-09-26 | 1927-12-28 | Amplificateur à radio-fréquence |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1894503A (fr) |
| DE (1) | DE505915C (fr) |
| FR (1) | FR646790A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2526610A (en) * | 1944-05-05 | 1950-10-17 | Hermann Thorens S A | Mechanical tuning adjuster |
| US2549259A (en) * | 1948-01-10 | 1951-04-17 | Dictograph Products Co Inc | Radio tuner for hearing aid apparatus |
| US2875338A (en) * | 1957-01-29 | 1959-02-24 | Richard D Holmes | Radio frequency adjusting mechanism |
-
1927
- 1927-09-26 US US222009A patent/US1894503A/en not_active Expired - Lifetime
- 1927-12-28 FR FR646790D patent/FR646790A/fr not_active Expired
-
1928
- 1928-01-05 DE DEH114617D patent/DE505915C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE505915C (de) | 1930-08-29 |
| US1894503A (en) | 1933-01-17 |
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