IT983852B - Quadripolo costituito da impedenze negative servente per ridurre l at tenuazione a bassa riflessione di una linea a due fili - Google Patents
Quadripolo costituito da impedenze negative servente per ridurre l at tenuazione a bassa riflessione di una linea a due filiInfo
- Publication number
- IT983852B IT983852B IT1928973A IT1928973A IT983852B IT 983852 B IT983852 B IT 983852B IT 1928973 A IT1928973 A IT 1928973A IT 1928973 A IT1928973 A IT 1928973A IT 983852 B IT983852 B IT 983852B
- Authority
- IT
- Italy
- Prior art keywords
- tenuation
- quadripole
- serving
- reduce
- wire line
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/62—Two-way amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722202501 DE2202501C3 (de) | 1972-01-19 | 1972-01-19 | Aus negativen Widerständen bestehender Vierpol zur reflexionsarmen Dämpfungsverminderung einer Zweidrahtleitung |
DE2240730 | 1972-08-18 | ||
DE19722261853 DE2261853C3 (de) | 1972-01-19 | 1972-12-18 | Negativ-Impedanz-Konverter mit einem einen Operationsverstärker aufweisenden Verstärker |
Publications (1)
Publication Number | Publication Date |
---|---|
IT983852B true IT983852B (it) | 1974-11-11 |
Family
ID=27184046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1928973A IT983852B (it) | 1972-01-19 | 1973-01-17 | Quadripolo costituito da impedenze negative servente per ridurre l at tenuazione a bassa riflessione di una linea a due fili |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5716526B2 (it) |
AT (1) | AT325680B (it) |
CH (1) | CH553517A (it) |
DE (3) | DE2202501C3 (it) |
IT (1) | IT983852B (it) |
NL (1) | NL7300702A (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51113406A (en) * | 1975-03-28 | 1976-10-06 | Yokogawa Hokushin Electric Corp | Repeater |
JPS5287951A (en) * | 1976-01-19 | 1977-07-22 | Yokogawa Hokushin Electric Corp | Negative impedance circuit |
JPS5299720U (it) * | 1976-01-26 | 1977-07-28 | ||
JPS56168412A (en) * | 1981-04-20 | 1981-12-24 | Yokogawa Hokushin Electric Corp | Negative impedance circuit |
JPS56168411A (en) * | 1981-04-20 | 1981-12-24 | Yokogawa Hokushin Electric Corp | Negative impedance circuit |
JPS609321U (ja) * | 1982-10-21 | 1985-01-22 | 横河電機株式会社 | 負性インピ−ダンス回路 |
-
1972
- 1972-01-19 DE DE19722202501 patent/DE2202501C3/de not_active Expired
- 1972-08-18 DE DE19722240730D patent/DE2240730C2/de not_active Expired
- 1972-12-18 DE DE19722261853 patent/DE2261853C3/de not_active Expired
-
1973
- 1973-01-11 CH CH39373A patent/CH553517A/xx not_active IP Right Cessation
- 1973-01-16 JP JP729973A patent/JPS5716526B2/ja not_active Expired
- 1973-01-17 IT IT1928973A patent/IT983852B/it active
- 1973-01-17 NL NL7300702A patent/NL7300702A/xx not_active Application Discontinuation
- 1973-01-18 AT AT39573A patent/AT325680B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2261853B2 (de) | 1975-01-23 |
DE2240730C2 (de) | 1974-09-19 |
DE2261853A1 (de) | 1974-07-11 |
JPS5716526B2 (it) | 1982-04-06 |
DE2261853C3 (de) | 1975-09-04 |
AT325680B (de) | 1975-11-10 |
CH553517A (de) | 1974-08-30 |
DE2202501C3 (de) | 1974-05-22 |
ATA39573A (de) | 1975-01-15 |
DE2202501A1 (de) | 1973-08-02 |
DE2240730B1 (de) | 1974-02-28 |
NL7300702A (it) | 1973-07-23 |
JPS4883750A (it) | 1973-11-08 |
DE2202501B2 (de) | 1973-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT955642B (it) | Eliminatore d eco particolarmente utile in una rete telefonica a lunga distanza | |
AR195393A1 (es) | Una disposicion de acoplamiento articulado | |
ES194914Y (es) | Una cama articulada. | |
ES194100Y (es) | Una pared de envase. | |
IT983852B (it) | Quadripolo costituito da impedenze negative servente per ridurre l at tenuazione a bassa riflessione di una linea a due fili | |
AR193898A1 (es) | Una pasta dentifrica | |
ES194548Y (es) | Una pared de envase. | |
IT983554B (it) | Linea di ritardazione di onde ultrasonore | |
BE796535A (nl) | Scharnierbare pijpverbinding | |
IT993581B (it) | Filtro o linea di ritardo funzio nante secondo il principio a onde superficiali | |
IT982724B (it) | Linea di ritardo per ultrasuoni | |
AT328239B (de) | Rohrkupplung | |
BE790791A (fr) | Transformateur pour lignes telephoniques | |
GB1203409A (en) | Acoustic delay line employing torsional waves | |
AT296644B (de) | Wirkdruckgeber | |
CH513552A (de) | Aktives frequenzselektives Filter mit einer akustischen Verzögerungsleitung | |
BE801885A (fr) | Impedance variable | |
CA816783A (en) | Amplificateur a impedance negative a transistors | |
AR198330A1 (es) | Aparato telefonico de abonado para la fijacion en una pared | |
CA796553A (en) | Transfer line cleaning | |
AU431173B2 (en) | Ultrasonic wave microphone | |
CA778969A (en) | High frequency attenuation in traveling wave tubes | |
AU429796B2 (en) | Ultrasonic transducer | |
CA788636A (en) | Traveling wave tube | |
CA800188A (en) | Traveling wave tube |