GB619149A - Improvements in or relating to ultra-high-frequency electric circuits - Google Patents

Improvements in or relating to ultra-high-frequency electric circuits

Info

Publication number
GB619149A
GB619149A GB28912/46A GB2891246A GB619149A GB 619149 A GB619149 A GB 619149A GB 28912/46 A GB28912/46 A GB 28912/46A GB 2891246 A GB2891246 A GB 2891246A GB 619149 A GB619149 A GB 619149A
Authority
GB
United Kingdom
Prior art keywords
lines
ultra
relating
frequency electric
electric circuits
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
GB28912/46A
Other languages
English (en)
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 GB619149A publication Critical patent/GB619149A/en
Expired legal-status Critical Current

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
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
    • H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/12—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means
    • H03F1/13—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means in discharge-tube amplifiers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Tubes (AREA)
  • Amplifiers (AREA)
GB28912/46A 1943-03-29 1946-09-27 Improvements in or relating to ultra-high-frequency electric circuits Expired GB619149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL619149X 1943-03-29

Publications (1)

Publication Number Publication Date
GB619149A true GB619149A (en) 1949-03-04

Family

ID=19788378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28912/46A Expired GB619149A (en) 1943-03-29 1946-09-27 Improvements in or relating to ultra-high-frequency electric circuits

Country Status (4)

Country Link
US (1) US2573517A (en:Method)
FR (1) FR903045A (en:Method)
GB (1) GB619149A (en:Method)
NL (1) NL65134C (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735015A (en) * 1956-02-14 Separator
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
NL9000809A (nl) * 1990-04-06 1991-11-01 Philips Nv Plasmagenerator.
TW477104B (en) * 1999-06-16 2002-02-21 Koninkl Philips Electronics Nv Balanced oscillator having a short circuited quarter-wave paired line

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE466831A (en:Method) * 1942-03-03

Also Published As

Publication number Publication date
NL65134C (en:Method)
US2573517A (en) 1951-10-30
FR903045A (fr) 1945-09-21

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