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

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1817Generation 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
    • H03B5/1835Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/12Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means
    • H03F1/13Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means in discharge-tube amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54Amplifiers 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 (enrdf_load_stackoverflow)
FR (1) FR903045A (enrdf_load_stackoverflow)
GB (1) GB619149A (enrdf_load_stackoverflow)
NL (1) NL65134C (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) * 1942-03-03

Also Published As

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

Similar Documents

Publication Publication Date Title
GB533939A (en) Improvements in high frequency electric apparatus
GB619149A (en) Improvements in or relating to ultra-high-frequency electric circuits
GB454077A (en) Improvements in or relating to variable tuned circuits
GB615841A (en) Improvements in and relating to piezo-electric resonators
GB591397A (en) High-frequency tuning device
GB635619A (en) Improvement in coupling arrangements for electrical resonators
US2666183A (en) Variable attenuator
GB591486A (en) High-frequency tuning device
US2406364A (en) Oscillation generator
GB641489A (en) Improvements in and relating to magnetrons
US2102805A (en) Electrical tuned circuit
GB625197A (en) Improvements in or relating to networks for the transmission of electrical oscillations
GB587576A (en) High-frequency attenuator and divider circuits
GB766612A (en) Resonant cavity arrangement
US2246534A (en) Alternating current wave production
GB500996A (en) Improvements in or relating to apparatus for mechanically and electrically connecting conductors carrying high frequency currents
GB1213687A (en) Improvements in or relating to radio frequency heating apparatus
GB591870A (en) Protective device
GB616045A (en) Improvements in and relating to distortion reducing circuits for frequency modulatedoscillation systems
GB633609A (en) Improvements in or relating to devices for measuring ultra-high-frequency electric power
GB597575A (en) Improvements in and relating to phase inversion circuits
GB1034925A (en) Improvements in or relating to bridge circuit arrangements
GB616226A (en) Improvements in or relating to attenuators
GB173220A (en) Improvements relating to the production of high-frequency electric oscillations
GB583954A (en) Mounting device for an electrical circuit element