ES344370A1 - Amplificador de senales electricas de ganancia variable. - Google Patents

Amplificador de senales electricas de ganancia variable.

Info

Publication number
ES344370A1
ES344370A1 ES344370A ES344370A ES344370A1 ES 344370 A1 ES344370 A1 ES 344370A1 ES 344370 A ES344370 A ES 344370A ES 344370 A ES344370 A ES 344370A ES 344370 A1 ES344370 A1 ES 344370A1
Authority
ES
Spain
Prior art keywords
resistor
stage
transistor
negative feedback
capacitor
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
ES344370A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES344370A1 publication Critical patent/ES344370A1/es
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
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • H03G3/12—Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
ES344370A 1966-08-23 1967-08-23 Amplificador de senales electricas de ganancia variable. Expired ES344370A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3764466 1966-08-23

Publications (1)

Publication Number Publication Date
ES344370A1 true ES344370A1 (es) 1968-10-01

Family

ID=10397943

Family Applications (1)

Application Number Title Priority Date Filing Date
ES344370A Expired ES344370A1 (es) 1966-08-23 1967-08-23 Amplificador de senales electricas de ganancia variable.

Country Status (5)

Country Link
US (1) US3454890A (es)
DE (1) DE1537616B2 (es)
ES (1) ES344370A1 (es)
GB (1) GB1084349A (es)
NL (1) NL6711572A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2448446A1 (de) * 1974-10-10 1976-04-22 Budapesti Radiotechnikai Gyar Geraeuscharmer breitband-vorverstaerker fuer tonfrequenzeinrichtungen mit hoher verstaerkungsaenderung, insbesondere zur automatischen pegelregelung
CN102364875B (zh) * 2011-11-15 2016-01-13 南京美辰微电子有限公司 一种双环反馈高线性度可变增益放大器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246251A (en) * 1963-10-18 1966-04-12 Ampex Low output impedance feedback power amplifier

Also Published As

Publication number Publication date
NL6711572A (es) 1968-02-26
US3454890A (en) 1969-07-08
DE1537616A1 (de) 1969-10-02
GB1084349A (es)
DE1537616B2 (de) 1972-12-14

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