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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
BE477233D 1944-09-01 BE477233A (mo)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE477233A true BE477233A (mo)

Family

ID=10221852

Family Applications (1)

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

Country Status (4)

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

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 (de) * 1953-11-14 1958-01-09 Siemens Elektrogeraete Gmbh Verfahren und Einrichtung zum Empfang von ueber getrennte modulierte Traegerwellen stereophonisch uebertragenen Schallsendungen
US3080532A (en) * 1960-01-14 1963-03-05 Collins Radio Co Voltage variable gain circuit with gate correction
NL282484A (mo) * 1961-08-25

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL41232C (mo) * 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
CH250786A (de) 1947-09-15
US2474978A (en) 1949-07-05
FR939230A (fr) 1948-11-08

Similar Documents

Publication Publication Date Title
BE455763A (mo)
FR960336A (mo)
FR892369A (mo)
FR962110A (mo)
NL68051C (mo)
BE455554A (mo)
BE457759A (mo)
BE458233A (mo)
BE457898A (mo)
BE457404A (mo)
BE454925A (mo)
BE458211A (mo)
BE447901A (mo)
BE457290A (mo)
BE455531A (mo)
BE457767A (mo)
BE457405A (mo)
BE454461A (mo)
BE457689A (mo)
BE462328A (mo)
BE457930A (mo)
BE468182A (mo)
BE457977A (mo)
BE457866A (mo)
BE457749A (mo)