GB1258388A - - Google Patents

Info

Publication number
GB1258388A
GB1258388A GB1258388DA GB1258388A GB 1258388 A GB1258388 A GB 1258388A GB 1258388D A GB1258388D A GB 1258388DA GB 1258388 A GB1258388 A GB 1258388A
Authority
GB
United Kingdom
Prior art keywords
circuit
feedback
amplifier
bridge
input
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
Other languages
English (en)
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 filed Critical
Publication of GB1258388A publication Critical patent/GB1258388A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB1258388D 1970-04-10 1970-09-25 Expired GB1258388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1721270 1970-04-10
GB4591970 1970-09-25

Publications (1)

Publication Number Publication Date
GB1258388A true GB1258388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-12-30

Family

ID=26252545

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258388D Expired GB1258388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-04-10 1970-09-25

Country Status (1)

Country Link
GB (1) GB1258388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
GB1389560A (en) Active two-wire to four-wire coupling circuit
GB1447694A (en) Conference bridge circuits
GB1018834A (en) Amplifier
ES384413A1 (es) Un dispositivo amplificador.
GB1256240A (en) Improvements in or relating to hybrid circuits
GB1258388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES384624A1 (es) Un circuito de conversion de dos a cuatro hilos, para un centro de conmutacion de datos.
GB1338896A (en) Hybrid networks
GB1254608A (en) Multiunit loudspeaker
GB1515510A (en) Transmission networks for telephone system
GB1390664A (en) Circuits utilizing gyrators
GB1493869A (en) Circuit arrangements including amplifiers
ES8204893A1 (es) Una disposicion amplificadora de senales
GB1333920A (en) Signal combining unit
GB635305A (en) Mounting arrangements for discharge tubes
JPS5528616A (en) Drive system for transmission line
GB1340863A (en) Variable equaliser
GB1219933A (en) Improvements in or relating to electric filter circuits
GB592259A (en) Improvements in or relating to thermionic amplifiers and modulators
ES384060A1 (es) Equipo de operadora a cuatro hilos.
GR16448B (el) Μετατροπευς χωρητικης συνθετου αντιστασεως.
GB1353367A (en) 4-wire telephone interconnection network
GB1036985A (en) Amplifier terminating network
GB1241037A (en) A circuit arrangement
GB1257878A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee