ES295716A1 - Dispositivo amplificador - Google Patents

Dispositivo amplificador

Info

Publication number
ES295716A1
ES295716A1 ES0295716A ES295716A ES295716A1 ES 295716 A1 ES295716 A1 ES 295716A1 ES 0295716 A ES0295716 A ES 0295716A ES 295716 A ES295716 A ES 295716A ES 295716 A1 ES295716 A1 ES 295716A1
Authority
ES
Spain
Prior art keywords
input impedance
equivalent
impedance amplifier
adjustable input
coupled
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
ES0295716A
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
Standard Electrica 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, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES295716A1 publication Critical patent/ES295716A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/62—Two-way amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/16—Control of transmission; Equalising characterised by the negative-impedance network used
    • H04B3/18—Control of transmission; Equalising characterised by the negative-impedance network used wherein the network comprises semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
ES0295716A 1963-02-07 1964-01-25 Dispositivo amplificador Expired ES295716A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US256918A US3271528A (en) 1963-02-07 1963-02-07 Adjustable input impedance amplifier

Publications (1)

Publication Number Publication Date
ES295716A1 true ES295716A1 (es) 1964-03-01

Family

ID=22974142

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0295716A Expired ES295716A1 (es) 1963-02-07 1964-01-25 Dispositivo amplificador

Country Status (6)

Country Link
US (1) US3271528A (es)
CH (1) CH428863A (es)
ES (1) ES295716A1 (es)
FR (2) FR1381188A (es)
GB (1) GB1018834A (es)
SE (1) SE300452B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504197A (en) * 1965-08-20 1970-03-31 Nippon Electric Co Gate controlled switch and transistor responsive to unipolar input pulses
US3508081A (en) * 1966-08-17 1970-04-21 Honeywell Inc Circuit arrangement for supplying a current signal to one or two loads
US3544816A (en) * 1967-09-18 1970-12-01 Honeywell Inc Electric current converting circuit
US3544815A (en) * 1967-09-18 1970-12-01 Honeywell Inc Electric current converting circuit
US3573504A (en) * 1968-01-16 1971-04-06 Trw Inc Temperature compensated current source
US3568081A (en) * 1968-09-09 1971-03-02 Honeywell Inc Differential amplifier with predetermined deadband
US3573635A (en) * 1968-11-18 1971-04-06 Ibm Pulse transfer system
US3581119A (en) * 1969-04-08 1971-05-25 Us Air Force Photo-current diverter
US3612780A (en) * 1969-10-08 1971-10-12 Bell Telephone Labor Inc Active four-port
US3825770A (en) * 1972-10-10 1974-07-23 Rca Corp Multi-function logic gate
US4163878A (en) * 1977-09-07 1979-08-07 Wescom, Inc. Electronic hybrid and hybrid repeater with bridge circuit
GB2502256B (en) 2012-04-23 2018-08-15 Brian Lewis Ian Apparatus for the Drying of Particulate Material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2585078A (en) * 1948-11-06 1952-02-12 Bell Telephone Labor Inc Negative resistance device utilizing semiconductor amplifier

Also Published As

Publication number Publication date
FR86291E (fr) 1966-01-07
US3271528A (en) 1966-09-06
SE300452B (es) 1968-04-29
FR1381188A (fr) 1964-12-04
GB1018834A (en) 1966-02-02
CH428863A (de) 1967-01-31

Similar Documents

Publication Publication Date Title
ES295716A1 (es) Dispositivo amplificador
ES389354A1 (es) Perfeccionamientos en la construccion de amplificadores de transistores de varias etapas para audifonos con regulacion de amplificacion automatica.
ES402652A1 (es) Un circuito de amplificador.
ES363454A1 (es) Un aparato controlador de un proceso para controlar un ele-mento de carga dependiendo de los valores de senales de en- trada primera y segunda.
GB1008238A (en) Improvements in micro-microammeters
GB1242859A (en) Gain controlled field effect transistor amplifier
GB1013452A (en) Transistor amplifier of variable gain
GB1161002A (en) Improvements in and relating to Hearing Aids
GB849316A (en) Improvements in or relating to transistor amplifier circuits
ES438109A1 (es) Circuito de control de ganancia.
GB737249A (en) Electric signal translating circuits employing transistors
GB757669A (en) Amplifier with mismatched interstage networks
GB765398A (en) Improvements in or relating to transistor circuits having variable amplification
GB1165930A (en) Amplifier System Employing a Field-Effect Transistor
GB584475A (en) Improvements in or relating to electrical amplifiers
GB1212342A (en) Improvements in differential amplifiers
JPS5599812A (en) Broad band balanced amplifier having gain selection function
GB1211776A (en) An arrangement for varying the feedback of an amplifier
GB1155076A (en) Amplifier For Electric Signals
GB708299A (en) High-stability d.c. amplifier circuit arrangement
GB848921A (en) Improvements in or relating to amplitude limited amplifiers
GB954156A (en) Improvements in or relating to pulse amplitude analysing circuits
GB803098A (en) Improvements in or relating to audio frequency transistor amplifiers
JPS52149415A (en) Bidirectional amplifier
GB696827A (en) Improvements relating to negative feedback amplifiers