BR7502878A - ADJUSTABLE ADJUSTABLE ATTENUATOR FOR ELECTROMAGNETIC WAVES IN PARTICULAR SHORT WAVES - Google Patents

ADJUSTABLE ADJUSTABLE ATTENUATOR FOR ELECTROMAGNETIC WAVES IN PARTICULAR SHORT WAVES

Info

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
Application number
BR3662/75A
Other languages
Portuguese (pt)
Inventor
B Sommer
Original Assignee
Siemens Ag
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 by Siemens Ag filed Critical Siemens Ag
Publication of BR7502878A publication Critical patent/BR7502878A/en

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)
BR3662/75A 1974-05-10 1975-05-09 ADJUSTABLE ADJUSTABLE ATTENUATOR FOR ELECTROMAGNETIC WAVES IN PARTICULAR SHORT WAVES BR7502878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2422843A DE2422843C3 (en) 1974-05-10 1974-05-10 Adjustable damping element for especially short electromagnetic waves

Publications (1)

Publication Number Publication Date
BR7502878A true BR7502878A (en) 1976-03-16

Family

ID=5915256

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3662/75A BR7502878A (en) 1974-05-10 1975-05-09 ADJUSTABLE ADJUSTABLE ATTENUATOR FOR ELECTROMAGNETIC WAVES IN PARTICULAR SHORT WAVES

Country Status (16)

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

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 (en) * 1991-05-14 1994-03-24 Ant Nachrichtentech Attenuator

Also Published As

Publication number Publication date
SE400434B (en) 1978-03-20
SE7505316L (en) 1975-11-11
LU72421A1 (en) 1975-08-26
FR2270687A1 (en) 1975-12-05
IT1037829B (en) 1979-11-20
NL7505565A (en) 1975-11-12
AU8100175A (en) 1976-11-11
AT349064B (en) 1979-03-26
DE2422843A1 (en) 1975-11-13
AR203915A1 (en) 1975-10-31
GB1510150A (en) 1978-05-10
FR2270687B1 (en) 1978-02-03
JPS5535009B2 (en) 1980-09-11
CH576726A5 (en) 1976-06-15
AT347175B (en) 1978-08-15
IE41291L (en) 1975-11-10
ATA347175A (en) 1978-08-15
DK205675A (en) 1975-11-11
ATA310076A (en) 1978-04-15
DE2422843B2 (en) 1978-02-09
IE41291B1 (en) 1979-12-05
IN142563B (en) 1977-07-30
JPS50156346A (en) 1975-12-17
BE828889A (en) 1975-11-10
DE2422843C3 (en) 1978-09-21

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