NL85464C - - Google Patents

Info

Publication number
NL85464C
NL85464C NL85464DA NL85464C NL 85464 C NL85464 C NL 85464C NL 85464D A NL85464D A NL 85464DA NL 85464 C NL85464 C NL 85464C
Authority
NL
Netherlands
Prior art keywords
channel
quadripole
series
impedances
terminals
Prior art date
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.)
Publication of NL85464C publication Critical patent/NL85464C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/08Arrangements for combining channels
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38Impedance-matching networks
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/21Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a set of bandfilters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175Series LC in series path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1783Combined LC in series path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1791Combined LC in shunt or branch path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Filters And Equalizers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
NL85464D 1951-03-13 NL85464C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL705628X 1951-03-13

Publications (1)

Publication Number Publication Date
NL85464C true NL85464C (en:Method)

Family

ID=19812054

Family Applications (1)

Application Number Title Priority Date Filing Date
NL85464D NL85464C (en:Method) 1951-03-13

Country Status (4)

Country Link
DE (1) DE1123058B (en:Method)
FR (1) FR1073910A (en:Method)
GB (1) GB705628A (en:Method)
NL (1) NL85464C (en:Method)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB420255A (en) * 1933-10-27 1934-11-28 Gen Electric Co Ltd Improvements in or relating to electrical filter circuits
US2076248A (en) * 1934-08-16 1937-04-06 Bell Telephone Labor Inc Wave filter
BE427065A (en:Method) * 1937-03-22
GB572846A (en) * 1943-07-19 1945-10-25 Gen Electric Co Ltd Improvements in electrical selective network

Also Published As

Publication number Publication date
FR1073910A (fr) 1954-09-30
DE1123058B (de) 1962-02-01
GB705628A (en) 1954-03-17

Similar Documents

Publication Publication Date Title
ES484855A1 (es) Perfeccionamientos en impedancias equilibradas de circuitos hibridos para un par de cable telefonico
NL85464C (en:Method)
GB541380A (en) Improvements in or relating to electric transmission networks
GB517052A (en) High frequency transmission networks
GB770166A (en) Microwave radio receiver
GB550912A (en) Reduction of cross-talk
GB729405A (en) Improvements in or relating to electric wave filters employing waveguides
US2946861A (en) Vacuum tube hybrid
US1721567A (en) Multiplex radio transmitting system
GB600254A (en) Improvements in or relating to multiplex electric pulse communication systems
US1928720A (en) Coupling arrangement
GB856030A (en) Hybrid type impedance network
GB643162A (en) Coupling arrangements for use in wave transmission systems
US2031528A (en) Wire broadcasting system
US1813775A (en) Means for preventing retroactive effects in audion amplifier circuits
GB844072A (en) Improvements in and relating to electrical networks
GB700871A (en) Improvements in or relating to bandpass electrical filter circuits for use at high frequencies
GB1493030A (en) Hybrid coupler circuits
GB705717A (en) Improvements in electric signalling systems
GB753886A (en) Improvements in or relating to multi-channel high frequency communication systems
GB734346A (en) Improvements relating to electrical crossover filters
GB457280A (en) Improvements in or relating to electric communication cables
GB631742A (en) Improvements in or relating to radio and like high frequency transmission lines
GB524550A (en) Wide band amplifier sytems for electrical carrier-wave signals
GB798245A (en) Improvements in or relating to channel branching arrangements in carrier communication systems