DE3518235A1 - Dynamische rauschunterdrueckungsschaltung - Google Patents

Dynamische rauschunterdrueckungsschaltung

Info

Publication number
DE3518235A1
DE3518235A1 DE19853518235 DE3518235A DE3518235A1 DE 3518235 A1 DE3518235 A1 DE 3518235A1 DE 19853518235 DE19853518235 DE 19853518235 DE 3518235 A DE3518235 A DE 3518235A DE 3518235 A1 DE3518235 A1 DE 3518235A1
Authority
DE
Germany
Prior art keywords
field effect
input
effect transistor
pass filter
output
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.)
Granted
Application number
DE19853518235
Other languages
German (de)
English (en)
Other versions
DE3518235C2 (enrdf_load_stackoverflow
Inventor
Vitalij Vasil'evič Andrianov
Il'ja Semenovič Izakson
Vladimir Vasil'evič Kiev Lebedev
Aleksandr Ivanovič Rybalko
Oleg Fedorovič Targonya
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.)
ANDRIANOV VITALIJ VASIL'EVIC
IZAKSON II'JA SEMENOVIC
LEBEDEV VLADIMIR VASIL'EVIC
Original Assignee
ANDRIANOV VITALIJ VASIL'EVIC
IZAKSON II'JA SEMENOVIC
LEBEDEV VLADIMIR VASIL'EVIC
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 ANDRIANOV VITALIJ VASIL'EVIC, IZAKSON II'JA SEMENOVIC, LEBEDEV VLADIMIR VASIL'EVIC filed Critical ANDRIANOV VITALIJ VASIL'EVIC
Priority to DE19853518235 priority Critical patent/DE3518235A1/de
Priority to NL8501477A priority patent/NL8501477A/nl
Publication of DE3518235A1 publication Critical patent/DE3518235A1/de
Application granted granted Critical
Publication of DE3518235C2 publication Critical patent/DE3518235C2/de
Granted 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • 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
    • H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using field-effect transistors [FET]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Networks Using Active Elements (AREA)
DE19853518235 1985-05-21 1985-05-21 Dynamische rauschunterdrueckungsschaltung Granted DE3518235A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19853518235 DE3518235A1 (de) 1985-05-21 1985-05-21 Dynamische rauschunterdrueckungsschaltung
NL8501477A NL8501477A (nl) 1985-05-21 1985-05-23 Dynamische ruisonderdrukker.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853518235 DE3518235A1 (de) 1985-05-21 1985-05-21 Dynamische rauschunterdrueckungsschaltung

Publications (2)

Publication Number Publication Date
DE3518235A1 true DE3518235A1 (de) 1986-11-27
DE3518235C2 DE3518235C2 (enrdf_load_stackoverflow) 1991-08-22

Family

ID=6271256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853518235 Granted DE3518235A1 (de) 1985-05-21 1985-05-21 Dynamische rauschunterdrueckungsschaltung

Country Status (2)

Country Link
DE (1) DE3518235A1 (enrdf_load_stackoverflow)
NL (1) NL8501477A (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638037A (en) * 1970-05-26 1972-01-25 Eastech Automatic tracking filter
DE2352855B2 (de) * 1973-10-22 1979-04-12 Industrie Automation Waege- Und Prozesstechnik Gmbh & Co, 6900 Heidelberg Filteranordnung für Einrichtungen zum elektrischen Messen mechanischer Größen
US4207543A (en) * 1978-07-18 1980-06-10 Izakson Ilya S Adaptive filter network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638037A (en) * 1970-05-26 1972-01-25 Eastech Automatic tracking filter
DE2352855B2 (de) * 1973-10-22 1979-04-12 Industrie Automation Waege- Und Prozesstechnik Gmbh & Co, 6900 Heidelberg Filteranordnung für Einrichtungen zum elektrischen Messen mechanischer Größen
US4207543A (en) * 1978-07-18 1980-06-10 Izakson Ilya S Adaptive filter network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z.: "Elektor", H.2, 1982, S.46-51 *

Also Published As

Publication number Publication date
NL8501477A (nl) 1986-12-16
DE3518235C2 (enrdf_load_stackoverflow) 1991-08-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee