BR7502878A - Atenuador regulavel aperfeicoado para ondas eletromagneticas em particular ondas curtas - Google Patents
Atenuador regulavel aperfeicoado para ondas eletromagneticas em particular ondas curtasInfo
- Publication number
- BR7502878A BR7502878A BR3662/75A BR7503662A BR7502878A BR 7502878 A BR7502878 A BR 7502878A BR 3662/75 A BR3662/75 A BR 3662/75A BR 7503662 A BR7503662 A BR 7503662A BR 7502878 A BR7502878 A BR 7502878A
- Authority
- BR
- Brazil
- Prior art keywords
- adjustable
- waves
- particular short
- attenuator
- electromagnetic waves
- Prior art date
Links
Classifications
-
- 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
- H03H7/24—Frequency- independent attenuators
- H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
- H03H7/253—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode
- H03H7/255—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode the element being a PIN diode
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/22—Attenuating devices
-
- 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
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
- H03G1/0058—PIN-diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
-
- 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
- H03H7/24—Frequency- independent attenuators
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Dentistry (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Attenuators (AREA)
- Non-Reversible Transmitting Devices (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2422843A DE2422843C3 (de) | 1974-05-10 | 1974-05-10 | Regelbares Dampfungsglied für insbesondere kurze elektromagnetische Wellen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7502878A true BR7502878A (pt) | 1976-03-16 |
Family
ID=5915256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR3662/75A BR7502878A (pt) | 1974-05-10 | 1975-05-09 | Atenuador regulavel aperfeicoado para ondas eletromagneticas em particular ondas curtas |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPS5535009B2 (tr) |
AR (1) | AR203915A1 (tr) |
AT (2) | AT349064B (tr) |
BE (1) | BE828889A (tr) |
BR (1) | BR7502878A (tr) |
CH (1) | CH576726A5 (tr) |
DE (1) | DE2422843C3 (tr) |
DK (1) | DK205675A (tr) |
FR (1) | FR2270687B1 (tr) |
GB (1) | GB1510150A (tr) |
IE (1) | IE41291B1 (tr) |
IN (1) | IN142563B (tr) |
IT (1) | IT1037829B (tr) |
LU (1) | LU72421A1 (tr) |
NL (1) | NL7505565A (tr) |
SE (1) | SE400434B (tr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3842425C1 (en) * | 1988-12-16 | 1989-11-23 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | Method and device for the temperature compensation of an attenuator |
DE4115599C2 (de) * | 1991-05-14 | 1994-03-24 | Ant Nachrichtentech | Dämpfungsglied |
-
1974
- 1974-05-10 DE DE2422843A patent/DE2422843C3/de not_active Expired
-
1975
- 1975-05-02 GB GB18364/75A patent/GB1510150A/en not_active Expired
- 1975-05-05 IT IT22980/75A patent/IT1037829B/it active
- 1975-05-06 CH CH581075A patent/CH576726A5/xx not_active IP Right Cessation
- 1975-05-06 AT AT347175A patent/AT349064B/de not_active IP Right Cessation
- 1975-05-06 AR AR258657A patent/AR203915A1/es active
- 1975-05-07 LU LU72421A patent/LU72421A1/xx unknown
- 1975-05-07 JP JP5536775A patent/JPS5535009B2/ja not_active Expired
- 1975-05-07 SE SE7505316A patent/SE400434B/xx unknown
- 1975-05-07 IE IE1025/75A patent/IE41291B1/xx unknown
- 1975-05-09 FR FR7514522A patent/FR2270687B1/fr not_active Expired
- 1975-05-09 DK DK205675A patent/DK205675A/da unknown
- 1975-05-09 BE BE156195A patent/BE828889A/xx unknown
- 1975-05-09 BR BR3662/75A patent/BR7502878A/pt unknown
- 1975-05-12 NL NL7505565A patent/NL7505565A/xx unknown
- 1975-09-12 IN IN1755/CAL/1975A patent/IN142563B/en unknown
-
1976
- 1976-04-28 AT AT310076A patent/AT347175B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IE41291L (en) | 1975-11-10 |
FR2270687B1 (tr) | 1978-02-03 |
DK205675A (da) | 1975-11-11 |
JPS50156346A (tr) | 1975-12-17 |
ATA347175A (de) | 1978-08-15 |
DE2422843C3 (de) | 1978-09-21 |
AT349064B (de) | 1979-03-26 |
IE41291B1 (en) | 1979-12-05 |
ATA310076A (de) | 1978-04-15 |
AU8100175A (en) | 1976-11-11 |
CH576726A5 (tr) | 1976-06-15 |
AT347175B (de) | 1978-08-15 |
SE7505316L (sv) | 1975-11-11 |
IT1037829B (it) | 1979-11-20 |
IN142563B (tr) | 1977-07-30 |
FR2270687A1 (tr) | 1975-12-05 |
NL7505565A (nl) | 1975-11-12 |
AR203915A1 (es) | 1975-10-31 |
JPS5535009B2 (tr) | 1980-09-11 |
LU72421A1 (tr) | 1975-08-26 |
GB1510150A (en) | 1978-05-10 |
DE2422843A1 (de) | 1975-11-13 |
SE400434B (sv) | 1978-03-20 |
BE828889A (fr) | 1975-11-10 |
DE2422843B2 (de) | 1978-02-09 |
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