CH219821A - Zweipol-Netzwerk mit konstanter Impedanz bei teilweise veränderlichen Zweigimpedanzen. - Google Patents

Zweipol-Netzwerk mit konstanter Impedanz bei teilweise veränderlichen Zweigimpedanzen.

Info

Publication number
CH219821A
CH219821A CH219821DA CH219821A CH 219821 A CH219821 A CH 219821A CH 219821D A CH219821D A CH 219821DA CH 219821 A CH219821 A CH 219821A
Authority
CH
Switzerland
Prior art keywords
constant impedance
variable branch
pole network
branch impedances
partly variable
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
America Radio Corporation Of
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of CH219821A publication Critical patent/CH219821A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/08—Amplitude modulation by means of variable impedance element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H7/40—Automatic matching of load impedance to source impedance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transmitters (AREA)
  • Plasma Technology (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
CH219821D 1939-05-24 1941-01-13 Zweipol-Netzwerk mit konstanter Impedanz bei teilweise veränderlichen Zweigimpedanzen. CH219821A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US275370A US2295351A (en) 1939-05-24 1939-05-24 Modulating system

Publications (1)

Publication Number Publication Date
CH219821A true CH219821A (de) 1942-02-28

Family

ID=23051996

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219821D CH219821A (de) 1939-05-24 1941-01-13 Zweipol-Netzwerk mit konstanter Impedanz bei teilweise veränderlichen Zweigimpedanzen.

Country Status (4)

Country Link
US (1) US2295351A (d)
CH (1) CH219821A (d)
GB (1) GB540804A (d)
NL (1) NL58726C (d)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498059A (en) * 1947-12-11 1950-02-21 Bell Telephone Labor Inc Modulation of high-frequency generators
US2543827A (en) * 1948-12-30 1951-03-06 Rca Corp Percentage modulation control network
US2623993A (en) * 1950-09-12 1952-12-30 Westinghouse Electric Corp Amplitude modulator with double yield
US4661993A (en) * 1984-10-12 1987-04-28 At&T Company Technique for improving radio system performance during fading

Also Published As

Publication number Publication date
US2295351A (en) 1942-09-08
GB540804A (en) 1941-10-30
NL58726C (d)

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