FR1510702A - Circuit à atténuation variable - Google Patents

Circuit à atténuation variable

Info

Publication number
FR1510702A
FR1510702A FR94323A FR94323A FR1510702A FR 1510702 A FR1510702 A FR 1510702A FR 94323 A FR94323 A FR 94323A FR 94323 A FR94323 A FR 94323A FR 1510702 A FR1510702 A FR 1510702A
Authority
FR
France
Prior art keywords
attenuation circuit
variable attenuation
variable
circuit
attenuation
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
FR94323A
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Application granted granted Critical
Publication of FR1510702A publication Critical patent/FR1510702A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
    • 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
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
FR94323A 1966-03-03 1967-02-09 Circuit à atténuation variable Expired FR1510702A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US531626A US3412340A (en) 1966-03-03 1966-03-03 Variable attenuation circuit

Publications (1)

Publication Number Publication Date
FR1510702A true FR1510702A (fr) 1968-01-19

Family

ID=24118403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR94323A Expired FR1510702A (fr) 1966-03-03 1967-02-09 Circuit à atténuation variable

Country Status (4)

Country Link
US (1) US3412340A (fr)
DE (1) DE1512671B1 (fr)
FR (1) FR1510702A (fr)
GB (1) GB1151285A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539826A (en) * 1967-09-01 1970-11-10 Ibm Active variable impedance device for large signal applications
US3617774A (en) * 1970-03-04 1971-11-02 Ibm Automatic phase control circuit
US3763382A (en) * 1972-03-01 1973-10-02 Sony Corp Amplitude control circuit
DE2448446A1 (de) * 1974-10-10 1976-04-22 Budapesti Radiotechnikai Gyar Geraeuscharmer breitband-vorverstaerker fuer tonfrequenzeinrichtungen mit hoher verstaerkungsaenderung, insbesondere zur automatischen pegelregelung
DE2655320C3 (de) * 1976-12-07 1987-02-12 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Steuerbarer elektronischer Widerstand
DE102004012248A1 (de) * 2004-03-12 2005-09-29 Siemens Ag Kernspintomographiegerät mit verbesserter Anbindung von Versorgungsleitungen beim Einsatz von Insert-Gradientenspulen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003801B (de) * 1952-11-19 1957-03-07 Siemens Ag Verstaerker hoher Linearitaet mit Verstaerkungsregelung durch Beeinflussen einer Gegenkopplung
AT188752B (de) * 1953-12-15 1957-02-11 Siemens Ag Aus mehreren Verstärkerstufen bestehende Verstärkereinheit
US2873387A (en) * 1956-12-17 1959-02-10 Rca Corp Controllable transistor clipping circuit
DE1071136B (fr) * 1957-05-24
DE1047844B (de) * 1957-12-09 1958-12-31 Koerting Radio Werke G M B H Niederfrequenzverstaerker mit Dynamikregelung, insbesondere mit Dynamikerweiterung
DE1247405B (de) * 1960-06-09 1967-08-17 Telefunken Patent In einem weiten Bereich regelbarer einstufiger Transistorverstaerker
FR1357880A (fr) * 1962-04-11 1964-04-10 Philips Nv Dispositif de réglage de niveau, en particulier de signaux électriques
US3231755A (en) * 1962-09-10 1966-01-25 Northern Electric Co Remote volume control
US3268828A (en) * 1962-11-02 1966-08-23 Burroughs Corp Amplifier with constant amplitude output
NL132570C (fr) * 1963-03-07

Also Published As

Publication number Publication date
US3412340A (en) 1968-11-19
DE1512671B1 (de) 1971-02-11
GB1151285A (en) 1969-05-07

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