CA945644A - Electrically controlled attenuator - Google Patents

Electrically controlled attenuator

Info

Publication number
CA945644A
CA945644A CA104,297A CA104297A CA945644A CA 945644 A CA945644 A CA 945644A CA 104297 A CA104297 A CA 104297A CA 945644 A CA945644 A CA 945644A
Authority
CA
Canada
Prior art keywords
electrically controlled
controlled attenuator
attenuator
electrically
controlled
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
CA104,297A
Other languages
English (en)
Other versions
CA104297S (en
Inventor
Henri T. Pichal
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Inc
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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA945644A publication Critical patent/CA945644A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • 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
    • 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
CA104,297A 1970-05-06 1971-02-02 Electrically controlled attenuator Expired CA945644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3493970A 1970-05-06 1970-05-06

Publications (1)

Publication Number Publication Date
CA945644A true CA945644A (en) 1974-04-16

Family

ID=21879594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA104,297A Expired CA945644A (en) 1970-05-06 1971-02-02 Electrically controlled attenuator

Country Status (6)

Country Link
US (1) US3631333A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA945644A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2122490A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2091261A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1344009A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7106128A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL156008B (nl) * 1970-06-06 1978-02-15 Philips Nv Ingangsschakeling van een televisie-afstemeenheid.
US3916353A (en) * 1972-03-27 1975-10-28 Us Navy Electrically controllable microwave bipolar attenuator
US3987375A (en) * 1975-03-25 1976-10-19 Stromberg-Carlson Corporation Transmission bridge exhibiting reduced distortion
US4687947A (en) * 1985-02-08 1987-08-18 Melvin Cobb Electrical power conservation circuit
GB2268345B (en) * 1992-06-26 1996-02-28 Northern Telecom Ltd Weighting network
US6577155B2 (en) * 2001-07-30 2003-06-10 Fischer Custom Communications, Inc. Apparatus and method for impedance control
WO2021255875A1 (ja) * 2020-06-17 2021-12-23 三菱電機株式会社 パルス電源装置
EP4322405A1 (en) * 2022-08-11 2024-02-14 Nxp B.V. Tunable attenuator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881400A (en) * 1956-04-20 1959-04-07 Rca Corp Attenuator circuit
US3150326A (en) * 1961-03-09 1964-09-22 Bell Telephone Labor Inc Variolosser circuits having identical frequency selectivity at all loss settings
US3495193A (en) * 1966-10-17 1970-02-10 Rca Corp Variable radio frequency attenuator

Also Published As

Publication number Publication date
NL7106128A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-11-09
DE2122490A1 (de) 1971-11-25
GB1344009A (en) 1974-01-16
US3631333A (en) 1971-12-28
FR2091261A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-01-14

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