GB1350745A - Microwave device - Google Patents

Microwave device

Info

Publication number
GB1350745A
GB1350745A GB1005673A GB1005673A GB1350745A GB 1350745 A GB1350745 A GB 1350745A GB 1005673 A GB1005673 A GB 1005673A GB 1005673 A GB1005673 A GB 1005673A GB 1350745 A GB1350745 A GB 1350745A
Authority
GB
United Kingdom
Prior art keywords
absorbing material
cavity
tunnel diodes
energy
conductive
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
GB1005673A
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of GB1350745A publication Critical patent/GB1350745A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/10—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Microwave Amplifiers (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

1350745 Transistor amplifying and oscillator circuits HUGHES AIRCRAFT CO 1 March 1973 [3 March 1972 (2)] 10056/73 Heading H3T A microwave device comprises an elliptical conductive cavity 10 adapted to transmit microwave energy, a plurality of amplifying means being positioned around its periphery, energy being introduced at one focus, e.g. by cable 22, and extracted at the second focus, e.g. by cable 50. In the embodiment the amplifying means comprise tunnel diodes 30b inserted in cavities, e.g. 20b in a conductive ring-shaped member 28 and coupled to the incident energy by means of probes 24b &c. The coupling is adjusted by means of adjustable screws 38b, 40b &c., while each of the cavities 20b is tuned by means of a corresponding adjusting screw 36b &c. Conductive partitions 42b &c. prevent interactions between the tunnel diodes, which may comprise amplifiers or oscillators synoronized to the incoming frequency. Unwanted resonances in the cavity 10 are prevented by means of blocks 52, 54, 56 of absorbing material along its major axis, alternatively a number of metallic vanes may be inserted along this axis, coupled to absorbing material (Figs. 5, 6, not shown). In a modification, tunnel diodes are located around only one half of the perimeter of the cavity, a wedge of absorbing material being placed around the other (Figs, 7, 8, not shown).
GB1005673A 1972-03-03 1973-03-01 Microwave device Expired GB1350745A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23166372A 1972-03-03 1972-03-03
US23166472A 1972-03-03 1972-03-03

Publications (1)

Publication Number Publication Date
GB1350745A true GB1350745A (en) 1974-04-24

Family

ID=26925321

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1005673A Expired GB1350745A (en) 1972-03-03 1973-03-01 Microwave device

Country Status (3)

Country Link
JP (1) JPS5242581B2 (en)
FR (1) FR2174929B1 (en)
GB (1) GB1350745A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190260A (en) * 1986-05-05 1987-11-11 Us Energy Method and apparatus for transferring and injecting rf energy from a generator to a resonant load

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL147672B (en) * 1948-08-17 Hell Rudolf Dr Ing Gmbh DEVICE FOR CONTROLLING THE TRANSPORT OF PHOTO MATERIAL IN AN ELECTRONIC LIGHT SETTING DEVICE AND IN A COOPERATING AUTOMATIC DEVELOPMENT DEVICE.
NL193734A (en) * 1954-01-04
US3582813A (en) * 1969-06-19 1971-06-01 Microwave Ass Negative-resistance multiple-element combiner
US3562666A (en) * 1969-06-23 1971-02-09 Bell Telephone Labor Inc Self-resonant lsa microwave oscillator devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190260A (en) * 1986-05-05 1987-11-11 Us Energy Method and apparatus for transferring and injecting rf energy from a generator to a resonant load
GB2190260B (en) * 1986-05-05 1990-08-15 Us Energy Method and apparatus for transferring and injecting rf energy from a generator to a resonant load

Also Published As

Publication number Publication date
JPS5242581B2 (en) 1977-10-25
JPS48104451A (en) 1973-12-27
FR2174929A1 (en) 1973-10-19
FR2174929B1 (en) 1976-09-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee