BE477233A - - Google Patents

Info

Publication number
BE477233A
BE477233A BE477233DA BE477233A BE 477233 A BE477233 A BE 477233A BE 477233D A BE477233D A BE 477233DA BE 477233 A BE477233 A BE 477233A
Authority
BE
Belgium
Application number
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 BE477233A publication Critical patent/BE477233A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/46—Reflex amplifiers
    • H03F3/48—Reflex amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/66—Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
BE477233D 1944-09-01 BE477233A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB250786X 1944-09-01

Publications (1)

Publication Number Publication Date
BE477233A true BE477233A (en)

Family

ID=10221852

Family Applications (1)

Application Number Title Priority Date Filing Date
BE477233D BE477233A (en) 1944-09-01

Country Status (4)

Country Link
US (1) US2474978A (en)
BE (1) BE477233A (en)
CH (1) CH250786A (en)
FR (1) FR939230A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541818A (en) * 1948-12-18 1951-02-13 Gen Electric Radio receiver
US2684402A (en) * 1949-12-31 1954-07-20 Stromberg Carlson Co Dual-purpose carrier-wave receiver
US2771548A (en) * 1952-07-08 1956-11-20 Polytechnic Res & Dev Co Inc Receiver tunable over v. h. f. and u. h. f. television bands
DE1022275B (en) * 1953-11-14 1958-01-09 Siemens Elektrogeraete Gmbh Method and device for receiving sound transmissions stereophonically transmitted via separate modulated carrier waves
US3080532A (en) * 1960-01-14 1963-03-05 Collins Radio Co Voltage variable gain circuit with gate correction
NL282484A (en) * 1961-08-25

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL38500C (en) * 1932-07-24
US2058512A (en) * 1934-05-28 1936-10-27 Rca Corp Radio receiver
US2201365A (en) * 1938-07-13 1940-05-21 Hazeltine Corp Duplex vacuum-tube repeater
US2189317A (en) * 1938-08-31 1940-02-06 Rca Corp Diversity antenna system
US2257782A (en) * 1939-01-24 1941-10-07 Radio Patents Corp Amplifier
GB538674A (en) * 1940-04-01 1941-08-12 Gen Electric Co Ltd Improvements in electrical oscillators comprising thermionic valves

Also Published As

Publication number Publication date
US2474978A (en) 1949-07-05
CH250786A (en) 1947-09-15
FR939230A (en) 1948-11-08

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