BE828889A - Attenuateur reglable pour des ondes electromagnetiques - Google Patents

Attenuateur reglable pour des ondes electromagnetiques

Info

Publication number
BE828889A
BE828889A BE156195A BE156195A BE828889A BE 828889 A BE828889 A BE 828889A BE 156195 A BE156195 A BE 156195A BE 156195 A BE156195 A BE 156195A BE 828889 A BE828889 A BE 828889A
Authority
BE
Belgium
Prior art keywords
electromagnetic waves
adjustable attenuator
attenuator
adjustable
waves
Prior art date
Application number
BE156195A
Other languages
English (en)
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE828889A publication Critical patent/BE828889A/xx

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)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (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)
BE156195A 1974-05-10 1975-05-09 Attenuateur reglable pour des ondes electromagnetiques BE828889A (fr)

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
BE828889A true BE828889A (fr) 1975-11-10

Family

ID=5915256

Family Applications (1)

Application Number Title Priority Date Filing Date
BE156195A BE828889A (fr) 1974-05-10 1975-05-09 Attenuateur reglable pour des ondes electromagnetiques

Country Status (16)

Country Link
JP (1) JPS5535009B2 (fi)
AR (1) AR203915A1 (fi)
AT (2) AT349064B (fi)
BE (1) BE828889A (fi)
BR (1) BR7502878A (fi)
CH (1) CH576726A5 (fi)
DE (1) DE2422843C3 (fi)
DK (1) DK205675A (fi)
FR (1) FR2270687B1 (fi)
GB (1) GB1510150A (fi)
IE (1) IE41291B1 (fi)
IN (1) IN142563B (fi)
IT (1) IT1037829B (fi)
LU (1) LU72421A1 (fi)
NL (1) NL7505565A (fi)
SE (1) SE400434B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
IN142563B (fi) 1977-07-30
NL7505565A (nl) 1975-11-12
DE2422843A1 (de) 1975-11-13
IE41291B1 (en) 1979-12-05
AT349064B (de) 1979-03-26
SE7505316L (sv) 1975-11-11
GB1510150A (en) 1978-05-10
FR2270687B1 (fi) 1978-02-03
AU8100175A (en) 1976-11-11
JPS5535009B2 (fi) 1980-09-11
AR203915A1 (es) 1975-10-31
AT347175B (de) 1978-08-15
DE2422843B2 (de) 1978-02-09
JPS50156346A (fi) 1975-12-17
ATA310076A (de) 1978-04-15
DE2422843C3 (de) 1978-09-21
SE400434B (sv) 1978-03-20
CH576726A5 (fi) 1976-06-15
FR2270687A1 (fi) 1975-12-05
IE41291L (en) 1975-11-10
BR7502878A (pt) 1976-03-16
ATA347175A (de) 1978-08-15
DK205675A (da) 1975-11-11
LU72421A1 (fi) 1975-08-26
IT1037829B (it) 1979-11-20

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