AT240907B - Elektronisch gesteuerte Impedanz - Google Patents
Elektronisch gesteuerte ImpedanzInfo
- Publication number
- AT240907B AT240907B AT619963A AT619963A AT240907B AT 240907 B AT240907 B AT 240907B AT 619963 A AT619963 A AT 619963A AT 619963 A AT619963 A AT 619963A AT 240907 B AT240907 B AT 240907B
- Authority
- AT
- Austria
- Prior art keywords
- electronically controlled
- controlled impedance
- impedance
- electronically
- controlled
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/16—Control of transmission; Equalising characterised by the negative-impedance network used
- H04B3/18—Control of transmission; Equalising characterised by the negative-impedance network used wherein the network comprises semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Amplitude Modulation (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US215393A US3260965A (en) | 1962-08-07 | 1962-08-07 | Variable impedance network employing a junction transistor |
Publications (1)
Publication Number | Publication Date |
---|---|
AT240907B true AT240907B (de) | 1965-06-25 |
Family
ID=22802817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT619963A AT240907B (de) | 1962-08-07 | 1963-08-01 | Elektronisch gesteuerte Impedanz |
Country Status (7)
Country | Link |
---|---|
US (1) | US3260965A (de) |
AT (1) | AT240907B (de) |
BE (1) | BE635854A (de) |
FR (1) | FR1365082A (de) |
GB (1) | GB1057622A (de) |
NL (1) | NL295978A (de) |
SE (1) | SE321532B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3495193A (en) * | 1966-10-17 | 1970-02-10 | Rca Corp | Variable radio frequency attenuator |
US3555301A (en) * | 1967-11-09 | 1971-01-12 | Us Navy | Apparatus and techniques for generating variable delay pulses from paralleled avalanche transistors |
US3637922A (en) * | 1970-07-23 | 1972-01-25 | Sylvania Electric Prod | Variable phase shift circuit and method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB814185A (en) * | 1956-06-12 | 1959-06-03 | Nat Res Dev | Transistor circuits |
US3003122A (en) * | 1958-03-21 | 1961-10-03 | North American Aviation Inc | Low level transistor switching circuit |
-
0
- BE BE635854D patent/BE635854A/xx unknown
- NL NL295978D patent/NL295978A/xx unknown
-
1962
- 1962-08-07 US US215393A patent/US3260965A/en not_active Expired - Lifetime
-
1963
- 1963-07-25 GB GB29440/63A patent/GB1057622A/en not_active Expired
- 1963-07-29 SE SE8358/63A patent/SE321532B/xx unknown
- 1963-08-01 FR FR943501A patent/FR1365082A/fr not_active Expired
- 1963-08-01 AT AT619963A patent/AT240907B/de active
Also Published As
Publication number | Publication date |
---|---|
FR1365082A (fr) | 1964-06-26 |
SE321532B (de) | 1970-03-09 |
BE635854A (de) | |
GB1057622A (en) | 1967-02-01 |
US3260965A (en) | 1966-07-12 |
NL295978A (de) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH397148A (fr) | Trachéotome | |
AT237955B (de) | Heuwerbegerät | |
CH400820A (fr) | Gelenkloses Scharnier | |
CH396068A (fr) | Vibro-finisseur | |
AT249440B (de) | Schleppergezogene Heuwerbemaschine | |
CH394992A (fr) | Haveuse | |
AT240907B (de) | Elektronisch gesteuerte Impedanz | |
AT241188B (de) | Heuwerbemaschine | |
AT245462B (de) | Barrenholm | |
CH401870A (it) | Sportjacke | |
BE637189R (fr) | Telecommunicatiesysteem | |
BE675043Q (fr) | Sieraad | |
DE1491504B2 (de) | Reflexklystron | |
BE633541A (fr) | Diazabicyclo-octanes | |
CH412008A (de) | Parametron | |
FR1323752A (fr) | Charrue | |
CH381462A (fr) | Charrue | |
ES92312Y (es) | Cierre-resbalón | |
ES92149Y (es) | Palomilla cuelga-pantalones | |
ES93943Y (es) | Inodoro-bidé | |
ES93940Y (es) | Silla-escalera | |
ES93767Y (es) | Vehículo-vivienda | |
ES93760Y (es) | Xilófono-piano | |
ES93568Y (es) | Cerrojillo | |
ES91047Y (es) | Bolso-maleta |