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Radio and Electronic Engineer

Issue 11.12 • November/December 1982

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Displaying Results 1 - 13 of 13
  • Progress in millimetre wave systems

    Publication Year: 1982, Page(s):495 - 496
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (360 KB)

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  • Millimetric wavelength components and coherent radar systems

    Publication Year: 1982, Page(s):499 - 505
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2080 KB)

    The construction of radar systems operating at millimetric and sub-millimetric wavelengths has necessitated the design and manufacture of a wide range of new microwave components. Manufacturing techniques have been developed for the production of components to operate in the frequency range from 30 GHz to 325 GHz using the fundamental mode in rectangular waveguide. Descriptions of some of these co... View full abstract»

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  • Millimetre-wave E-plane components and subsystems

    Publication Year: 1982, Page(s):506 - 512
    Cited by:  Papers (5)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2520 KB)

    This paper describes a variety of E-plane transmission lines which have been shown to be suitable for realizing microwave circuits for frequencies up to at least 140 GHz. A wide range of components has been developed using E-plane circuit techniques and some of these have been integrated together to form complete r.f. subsystems. Several examples of both components and subsystems are described. View full abstract»

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  • Letter to the Editor: UOSAT spacecraft status report

    Publication Year: 1982
    IEEE is not the copyright holder of this material | PDF file iconPDF (143 KB)
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  • Optimized low-insertion-loss millimetre-wave fin-line and metal insert filters

    Publication Year: 1982, Page(s):513 - 521
    Cited by:  Papers (11)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1011 KB)

    Low passband insertion-loss is achieved (1) by large-gap fin-lines, by which the high-Q potential increasing with gap-width is fully utilized, and (2) by pure metal inserts mounted in the E-plane of rectangular waveguides requiring no supporting dielectrics. This design combines the advantages of low-cost etching techniques and the low-loss performance of usual waveguide circuits. The theory descr... View full abstract»

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  • Dielectric waveguide; a low-cost technology for millimetre wave integrated circuits

    Publication Year: 1982, Page(s):522 - 528
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1521 KB)

    This paper describes the characteristics of two types of dielectric waveguide, the so-called insular and image guide configurations. The relevance of this technology to millimetre-wave integrated circuits is demonstrated and the design and performance of a number of dielectric waveguide components is described. A thick-film printing method for the mass production of dielectric waveguide circuits i... View full abstract»

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  • Indium phosphide transferred electron oscillators for millimetre-wave frequencies

    Publication Year: 1982, Page(s):529 - 533
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (738 KB)

    This paper describes the development of indium phosphide TEOs for use in the millimetre wave frequency range. After presenting a brief theoretical basis for the superiority of indium phosphide over its chief rival gallium arsenide, details are given on the choice of epitaxial material used. Device fabrication is then considered with emphasis placed upon the special demands of mm-wave operation. Os... View full abstract»

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  • The development of millimetre wave mixer diodes

    Publication Year: 1982, Page(s):534 - 542
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1710 KB)

    A new format gallium arsenide beam lead diode has been developed which allows the total capacitance to be reduced sufficiently for applications throughout the millimetre waveband. The design involves the use of low melting point glass and has high mechanical strength for ease of handling. Metal-organic chemical vapour deposition has been used to provide the thin epitaxial layer required to minimiz... View full abstract»

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  • A survey of millimetre-wavelength planar antenna arrays for military applications

    Publication Year: 1982, Page(s):543 - 550
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1186 KB)

    The growing interest in the use of millimetre wavelengths for radar and communication systems stems principally from military requirements. Conventional component technology utilizing waveguides continues to feature but strenuous efforts are being made to devise new fabrication methods that lend themselves to further miniaturization, integration and cost saving. There is also a demand for a new ge... View full abstract»

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  • Design considerations for millimetre wave lens antennas

    Publication Year: 1982, Page(s):551 - 558
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (889 KB)

    The operational background and some of the possible single and dual lens antenna options for use in a millimetric sensor with approximately 3° beamwidth have been examined. A particular single lens antenna design gave a scan of more than ±3 beamwidths and compatibility with conical scan, beam broadening and monopulse operation. A dual lens antenna design was operated both with a single feed horn... View full abstract»

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  • Broadband high-resolution receivers for the sub-millimetre region

    Publication Year: 1982, Page(s):559 - 564
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (807 KB)

    This paper describes the main features of high performance heterodyne receivers for the sub-millimetre frequency range. The great interest in the use of these receivers for scientific observations dictates that high performances in the areas of frequency resolution, sensitivity and tuneability are mandatory. The parallel interest in eventual space application of such receivers due to the high atte... View full abstract»

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  • Dielectric and optical measurements from 30 to 1000 GHz

    Publication Year: 1982, Page(s):565 - 584
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2953 KB)

    A review is presented of current measurement methods for the determination of dielectric and optical properties of materials at frequencies between 30 and 1000 GHz. The methods considered will fall into four main categories based on guided, resonant, free-space and stirred-mode geometries. The main applications of the measurements considered are in the study of materials that are relevant to telec... View full abstract»

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  • Sub-millimetre-wave propagation measurement techniques

    Publication Year: 1982, Page(s):585 - 599
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1614 KB)

    number of propagation measurements have been made in the sub-millimetre (s-mm) wave region (about 1 mm to 10 um wavelengths or frequencies of 300 GHz to 3 THz) using four basic techniques. While those measurements have been reported in the literature, s-mm propagation measurement survey papers to date have concentrated on the reported propagation data. This paper describes measurement techniques u... View full abstract»

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