IT972640B - Dsipositivo per l attenuazione di segnali in corrente alternata - Google Patents

Dsipositivo per l attenuazione di segnali in corrente alternata

Info

Publication number
IT972640B
IT972640B IT3325672A IT3325672A IT972640B IT 972640 B IT972640 B IT 972640B IT 3325672 A IT3325672 A IT 3325672A IT 3325672 A IT3325672 A IT 3325672A IT 972640 B IT972640 B IT 972640B
Authority
IT
Italy
Prior art keywords
dsipositive
attenuation
alternating current
current signals
signals
Prior art date
Application number
IT3325672A
Other languages
English (en)
Inventor
B Lofter
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of IT972640B publication Critical patent/IT972640B/it

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
IT3325672A 1971-12-20 1972-12-20 Dsipositivo per l attenuazione di segnali in corrente alternata IT972640B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT972640B true IT972640B (it) 1974-05-31

Family

ID=20301979

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3325672A IT972640B (it) 1971-12-20 1972-12-20 Dsipositivo per l attenuazione di segnali in corrente alternata

Country Status (7)

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

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
CH547038A (de) 1974-03-15
NL184139C (nl) 1989-04-17
DE2259991A1 (de) 1973-07-05
DE2259991B2 (de) 1974-04-04
NL7216846A (it) 1973-06-22
GB1405660A (en) 1975-09-10
DE2259991C3 (de) 1974-10-31
SE350891B (it) 1972-11-06
FR2165610A5 (it) 1973-08-03

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