NL85225C - - Google Patents
Info
- Publication number
- NL85225C NL85225C NL85225DA NL85225C NL 85225 C NL85225 C NL 85225C NL 85225D A NL85225D A NL 85225DA NL 85225 C NL85225 C NL 85225C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- 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
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/36—DC amplifiers in which all stages are DC-coupled with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0138—Electrical filters or coupling circuits
- H03H7/0146—Coupling circuits between two tubes, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59701A US2649508A (en) | 1948-11-12 | 1948-11-12 | Interstage coupling circuit for wide band amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL85225C true NL85225C (en:Method) |
Family
ID=22024683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL85225D NL85225C (en:Method) | 1948-11-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2649508A (en:Method) |
| BE (1) | BE489442A (en:Method) |
| CH (1) | CH273259A (en:Method) |
| DE (1) | DE814608C (en:Method) |
| FR (1) | FR986127A (en:Method) |
| GB (1) | GB676454A (en:Method) |
| NL (1) | NL85225C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE530972A (en:Method) * | 1953-08-05 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2052986A (en) * | 1931-10-22 | 1936-09-01 | Rca Corp | Balancing radio system |
| US2069809A (en) * | 1931-12-02 | 1937-02-09 | Rca Corp | Automatic volume control circuit |
| US1990781A (en) * | 1932-04-28 | 1935-02-12 | Gen Electric | Resistance-capacitance coupled amplifier |
| US2181910A (en) * | 1937-12-04 | 1939-12-05 | Bell Telephone Labor Inc | Wave amplification |
| US2319139A (en) * | 1940-09-30 | 1943-05-11 | Rca Corp | Facsimile system |
| US2330109A (en) * | 1941-03-14 | 1943-09-21 | Radio Patents Corp | Electrical apparatus |
| US2324279A (en) * | 1941-11-29 | 1943-07-13 | Rca Corp | Amplifier |
| BE474424A (en:Method) * | 1942-06-22 | |||
| US2400919A (en) * | 1943-11-12 | 1946-05-28 | Rca Corp | Amplifier circuit |
| US2445157A (en) * | 1944-05-26 | 1948-07-13 | Smith Wilbert Brockhouse | Interference reduction for radio signal receivers |
| US2494317A (en) * | 1947-08-28 | 1950-01-10 | Rca Corp | Multigrid tube amplifier circuit |
-
0
- BE BE489442D patent/BE489442A/xx unknown
- NL NL85225D patent/NL85225C/xx active
-
1948
- 1948-11-12 US US59701A patent/US2649508A/en not_active Expired - Lifetime
-
1949
- 1949-04-26 DE DEP40745A patent/DE814608C/de not_active Expired
- 1949-04-27 CH CH273259D patent/CH273259A/de unknown
- 1949-05-12 FR FR986127D patent/FR986127A/fr not_active Expired
- 1949-11-11 GB GB28952/49A patent/GB676454A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2649508A (en) | 1953-08-18 |
| GB676454A (en) | 1952-07-30 |
| BE489442A (en:Method) | |
| DE814608C (de) | 1951-09-24 |
| CH273259A (de) | 1951-01-31 |
| FR986127A (fr) | 1951-07-27 |