GB1405660A - Attenuating circuit - Google Patents

Attenuating circuit

Info

Publication number
GB1405660A
GB1405660A GB5863072A GB5863072A GB1405660A GB 1405660 A GB1405660 A GB 1405660A GB 5863072 A GB5863072 A GB 5863072A GB 5863072 A GB5863072 A GB 5863072A GB 1405660 A GB1405660 A GB 1405660A
Authority
GB
United Kingdom
Prior art keywords
control
diode
current
control device
impedance
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5863072A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1405660A publication Critical patent/GB1405660A/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Amplifiers (AREA)
  • Attenuators (AREA)
  • Networks Using Active Elements (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Exhaust Gas After Treatment (AREA)
GB5863072A 1971-12-20 1972-12-19 Attenuating circuit Expired GB1405660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1627771A SE350891B (enExample) 1971-12-20 1971-12-20

Publications (1)

Publication Number Publication Date
GB1405660A true GB1405660A (en) 1975-09-10

Family

ID=20301979

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5863072A Expired GB1405660A (en) 1971-12-20 1972-12-19 Attenuating circuit

Country Status (7)

Country Link
CH (1) CH547038A (enExample)
DE (1) DE2259991C3 (enExample)
FR (1) FR2165610A5 (enExample)
GB (1) GB1405660A (enExample)
IT (1) IT972640B (enExample)
NL (1) NL184139C (enExample)
SE (1) SE350891B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2037514B (en) * 1978-12-13 1982-11-24 Marconi Instruments Ltd Microwave attenuation

Also Published As

Publication number Publication date
NL184139C (nl) 1989-04-17
CH547038A (de) 1974-03-15
IT972640B (it) 1974-05-31
NL7216846A (enExample) 1973-06-22
SE350891B (enExample) 1972-11-06
DE2259991C3 (de) 1974-10-31
DE2259991A1 (de) 1973-07-05
FR2165610A5 (enExample) 1973-08-03
DE2259991B2 (de) 1974-04-04

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19921217