GB1519069A - Ciruit arrangement for the control of gain - Google Patents

Ciruit arrangement for the control of gain

Info

Publication number
GB1519069A
GB1519069A GB4570976A GB4570976A GB1519069A GB 1519069 A GB1519069 A GB 1519069A GB 4570976 A GB4570976 A GB 4570976A GB 4570976 A GB4570976 A GB 4570976A GB 1519069 A GB1519069 A GB 1519069A
Authority
GB
United Kingdom
Prior art keywords
input
control
gain
transistors
antiphase
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
GB4570976A
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.)
RFT MESSELEKTRONIK DRESDEN VEB
Original Assignee
RFT MESSELEKTRONIK DRESDEN VEB
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 RFT MESSELEKTRONIK DRESDEN VEB filed Critical RFT MESSELEKTRONIK DRESDEN VEB
Publication of GB1519069A publication Critical patent/GB1519069A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
    • 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
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements in emitter-coupled or cascode amplifiers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
GB4570976A 1975-11-04 1976-11-03 Ciruit arrangement for the control of gain Expired GB1519069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18921975A DD126612A1 (enrdf_load_stackoverflow) 1975-11-04 1975-11-04

Publications (1)

Publication Number Publication Date
GB1519069A true GB1519069A (en) 1978-07-26

Family

ID=5502218

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4570976A Expired GB1519069A (en) 1975-11-04 1976-11-03 Ciruit arrangement for the control of gain

Country Status (5)

Country Link
CS (1) CS194995B1 (enrdf_load_stackoverflow)
DD (1) DD126612A1 (enrdf_load_stackoverflow)
DE (1) DE2646954A1 (enrdf_load_stackoverflow)
DK (1) DK494176A (enrdf_load_stackoverflow)
GB (1) GB1519069A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329663A1 (de) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn Mehrstufiges signaluebertragungssystem
US5006815A (en) * 1988-10-26 1991-04-09 U.S. Philips Corporation Linear-gain amplifier arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329663A1 (de) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn Mehrstufiges signaluebertragungssystem
US4613823A (en) * 1983-08-17 1986-09-23 Telefunken Electronic Gmbh Multi-stage signal transmitting system
US5006815A (en) * 1988-10-26 1991-04-09 U.S. Philips Corporation Linear-gain amplifier arrangement

Also Published As

Publication number Publication date
DK494176A (da) 1977-05-05
DE2646954A1 (de) 1977-05-12
CS194995B1 (en) 1979-12-31
DD126612A1 (enrdf_load_stackoverflow) 1977-08-03

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed