GB643671A - Improvements in circuits for the transmission of ultra-high frequency oscillations - Google Patents

Improvements in circuits for the transmission of ultra-high frequency oscillations

Info

Publication number
GB643671A
GB643671A GB8443/47A GB844347A GB643671A GB 643671 A GB643671 A GB 643671A GB 8443/47 A GB8443/47 A GB 8443/47A GB 844347 A GB844347 A GB 844347A GB 643671 A GB643671 A GB 643671A
Authority
GB
United Kingdom
Prior art keywords
group
ultra
circuits
transmission
high frequency
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
GB8443/47A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB643671A publication Critical patent/GB643671A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • 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
    • 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
    • H04B1/163—Special arrangements for the reduction of the damping of resonant circuits of receivers
    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transmitters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

643,671. Electric resonators. PHILIPS LAMPS, Ltd. March 28, 1947, No. 8443. Convention date, Aug. 8, 1944. [Class 40 (viii)] [Also in Group XL (c)] A cavity resonator for a transmitting and receiving circuit (see Group XL (c)) comprises two conductors 10<SP>1</SP>, 10<SP>11</SP> within a metal enclosure 9 and is used to tune both push-pull and parallel modes of operation of the circuit. Capacitor 11 adjusts the tuning of the pushpull mode and capacitor 13 that of the parallel mode, while capacitors 121 and 12<SP>11</SP> balance the two conductors with respect to earth. Specifications 609,542, 623,069 and 632,658, [all in Group XL (c)], are referred to.
GB8443/47A 1944-08-08 1947-03-28 Improvements in circuits for the transmission of ultra-high frequency oscillations Expired GB643671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL643671X 1944-08-08

Publications (1)

Publication Number Publication Date
GB643671A true GB643671A (en) 1950-09-27

Family

ID=19791848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8443/47A Expired GB643671A (en) 1944-08-08 1947-03-28 Improvements in circuits for the transmission of ultra-high frequency oscillations

Country Status (6)

Country Link
US (1) US2475064A (en)
BE (1) BE467878A (en)
DE (1) DE807400C (en)
FR (1) FR942905A (en)
GB (1) GB643671A (en)
NL (1) NL69394C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505670A (en) * 1947-11-28 1950-04-25 Raytheon Mfg Co Transceiver for multichannel radio communication systems
US4348773A (en) * 1980-01-15 1982-09-07 Ignazio Caroli Microwave receiver converters having a hybrid waveguide structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE387351A (en) * 1931-03-23
US2128422A (en) * 1933-01-26 1938-08-30 Rca Corp Ultrashort wave circuit
BE406777A (en) * 1933-12-13
NL43144C (en) * 1934-10-04
US2125969A (en) * 1935-08-29 1938-08-09 Rca Corp Ultrahigh frequency oscillator
US2406371A (en) * 1938-07-08 1946-08-27 Univ Leland Stanford Junior Object detecting apparatus and method
US2250096A (en) * 1939-07-05 1941-07-22 Telefunken Gmbh Resonant system for ultra short waves
GB537518A (en) * 1939-12-22 1941-06-25 Standard Telephones Cables Ltd Improvements in or relating to electron discharge apparatus of the velocity modulated type
BE444311A (en) * 1941-01-31

Also Published As

Publication number Publication date
DE807400C (en) 1951-06-28
US2475064A (en) 1949-07-05
FR942905A (en) 1949-02-22
NL69394C (en)
BE467878A (en)

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