GB1362618A - Controllable four-terminal attenuator - Google Patents

Controllable four-terminal attenuator

Info

Publication number
GB1362618A
GB1362618A GB1607872A GB1607872A GB1362618A GB 1362618 A GB1362618 A GB 1362618A GB 1607872 A GB1607872 A GB 1607872A GB 1607872 A GB1607872 A GB 1607872A GB 1362618 A GB1362618 A GB 1362618A
Authority
GB
United Kingdom
Prior art keywords
attenuator
diodes
arm
series
shunt
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
GB1607872A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1362618A publication Critical patent/GB1362618A/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

Landscapes

  • Electron Tubes For Measurement (AREA)
  • Attenuators (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB1607872A 1971-05-06 1972-04-07 Controllable four-terminal attenuator Expired GB1362618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712122528 DE2122528B2 (de) 1971-05-06 1971-05-06 Dämpfungsvierpol für Wechselspannungen, insbesondere für hochfrequente Spannungen

Publications (1)

Publication Number Publication Date
GB1362618A true GB1362618A (en) 1974-08-07

Family

ID=5807101

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1607872A Expired GB1362618A (en) 1971-05-06 1972-04-07 Controllable four-terminal attenuator

Country Status (3)

Country Link
DE (1) DE2122528B2 (enExample)
FR (1) FR2135656B1 (enExample)
GB (1) GB1362618A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123653A (en) * 1982-05-25 1984-02-01 Sony Corp Remote control apparatus
EP1009163A1 (en) * 1998-12-10 2000-06-14 Alps Electric Co., Ltd. Digital television signal receiving tuner
CN112688653A (zh) * 2020-12-22 2021-04-20 成都美数科技有限公司 一种双极性大功率可调衰减器
EP4187786A1 (en) * 2021-11-30 2023-05-31 Nxp B.V. An attenuation circuit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140200A (en) * 1990-07-17 1992-08-18 General Instrument Corporation Pin diode attenuator
US5656978A (en) * 1995-12-11 1997-08-12 Harmonic Lightwaves Control circuit and method for direct current controlled attenuator
FR2763763B1 (fr) * 1997-05-23 1999-07-30 Trt Lucent Technologies Attenuateur variable a commande electronique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123653A (en) * 1982-05-25 1984-02-01 Sony Corp Remote control apparatus
EP1009163A1 (en) * 1998-12-10 2000-06-14 Alps Electric Co., Ltd. Digital television signal receiving tuner
CN112688653A (zh) * 2020-12-22 2021-04-20 成都美数科技有限公司 一种双极性大功率可调衰减器
CN112688653B (zh) * 2020-12-22 2023-03-24 成都美数科技有限公司 一种双极性大功率可调衰减器
EP4187786A1 (en) * 2021-11-30 2023-05-31 Nxp B.V. An attenuation circuit
US12451857B2 (en) 2021-11-30 2025-10-21 Nxp B.V. Attenuation circuit

Also Published As

Publication number Publication date
DE2122528A1 (de) 1972-11-16
FR2135656A1 (enExample) 1972-12-22
DE2122528B2 (de) 1975-07-03
FR2135656B1 (enExample) 1973-07-13

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees