BE457111A - - Google Patents
Info
- Publication number
- BE457111A BE457111A BE457111DA BE457111A BE 457111 A BE457111 A BE 457111A BE 457111D A BE457111D A BE 457111DA BE 457111 A BE457111 A BE 457111A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
- H01J43/025—Circuits therefor
-
- 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
-
- 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
- H03F1/42—Modifications of amplifiers to extend the bandwidth
- H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
- H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL250227X | 1943-08-04 | ||
| NL230843X | 1943-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE457111A true BE457111A (fr) |
Family
ID=26643534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE457111D BE457111A (fr) | 1943-08-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2497640A (fr) |
| BE (1) | BE457111A (fr) |
| CH (1) | CH250227A (fr) |
| FR (1) | FR906839A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2798903A (en) * | 1951-03-16 | 1957-07-09 | Henry M Spencer | Signal amplification system |
| US3048788A (en) * | 1958-08-15 | 1962-08-07 | Edgerton Germeshausen And Grie | Sweep signal generating system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE421193A (fr) * | 1936-04-25 | |||
| CH211193A (de) * | 1937-09-30 | 1940-08-31 | Ver Gluehlampen Und Elektrizit | Verstärkerschaltung mit Vervielfacherröhren. |
| US2298960A (en) * | 1940-08-15 | 1942-10-13 | Bell Telephone Labor Inc | Amplification with high efficiency |
-
0
- BE BE457111D patent/BE457111A/xx unknown
-
1944
- 1944-08-02 CH CH250227D patent/CH250227A/de unknown
- 1944-08-28 FR FR906839D patent/FR906839A/fr not_active Expired
-
1946
- 1946-07-20 US US685202A patent/US2497640A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2497640A (en) | 1950-02-14 |
| CH250227A (de) | 1947-08-15 |
| FR906839A (fr) | 1946-02-21 |