BE599253A - Transistor ingangstrap voor radioontvangers met meerdere golfbereiken - Google Patents
Transistor ingangstrap voor radioontvangers met meerdere golfbereikenInfo
- Publication number
- BE599253A BE599253A BE599253A BE599253A BE599253A BE 599253 A BE599253 A BE 599253A BE 599253 A BE599253 A BE 599253A BE 599253 A BE599253 A BE 599253A BE 599253 A BE599253 A BE 599253A
- Authority
- BE
- Belgium
- Prior art keywords
- input stage
- radio receivers
- wave radio
- transistor input
- transistor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/60—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism cartridge type, e.g. screw-in cartridge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/38—Electromagnetic mechanisms wherein the magnet coil also acts as arc blow-out device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/06—Housings; Casings; Bases; Mountings
- H01H73/10—Cartridge housings, e.g. screw-in housing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/191—Tuned amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/72—Indexing scheme relating to amplifiers the amplifier stage being a common gate configuration MOSFET
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1963ST016021 DE1878454U (de) | 1963-06-01 | 1963-06-01 | Installationsselbstschalter fuer gleich- und wechselstromabschaltung. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE599253A true BE599253A (nl) | 1961-07-19 |
Family
ID=33150818
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE599253A BE599253A (nl) | 1963-06-01 | 1961-01-19 | Transistor ingangstrap voor radioontvangers met meerdere golfbereiken |
| BE646385D BE646385A (nl) | 1963-06-01 | 1964-04-10 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE646385D BE646385A (nl) | 1963-06-01 | 1964-04-10 |
Country Status (5)
| Country | Link |
|---|---|
| BE (2) | BE599253A (nl) |
| CH (1) | CH413058A (nl) |
| DE (1) | DE1878454U (nl) |
| FR (1) | FR1393058A (nl) |
| GB (1) | GB906537A (nl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2716619C2 (de) * | 1977-04-15 | 1979-05-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Strombegrenzender Leitungsschutzschalter mit Maßnahmen zur Erhöhung der Laufgeschwindigkeit des Schaltlichtbogeits |
-
1960
- 1960-12-22 GB GB4412660A patent/GB906537A/en not_active Expired
-
1961
- 1961-01-19 BE BE599253A patent/BE599253A/nl unknown
-
1963
- 1963-06-01 DE DE1963ST016021 patent/DE1878454U/de not_active Expired
-
1964
- 1964-04-10 BE BE646385D patent/BE646385A/xx unknown
- 1964-05-11 FR FR974054A patent/FR1393058A/fr not_active Expired
- 1964-05-20 CH CH652164A patent/CH413058A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1878454U (de) | 1963-08-29 |
| BE646385A (nl) | 1964-07-31 |
| CH413058A (de) | 1966-05-15 |
| GB906537A (en) | 1962-09-26 |
| FR1393058A (fr) | 1965-03-19 |
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