50-GHz IC Components Using Alumina Substrates

This paper discusses the feasibility of employing alumina substrates instead of fused quartz or sapphire substrates in millimeter-wave integrated circuits (IC's), an attractive prospect since alumina boasts considerable advantages over either of the other materials. Millimeter-wave 50-GHz compo...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1983-02, Vol.31 (2), p.121-128
Main Authors: Tokumitsu, Y., Ishizaki, M., Iwakuni, M., Saito, T.
Format: Article
Language:English
Subjects:
Amplitude shift keying
Dielectric materials
Dielectric substrates
Doppler radar
FETs
Gallium arsenide
Millimeter wave integrated circuits
Millimeter wave radar
Oscillators
Submillimeter wave integrated circuits
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Summary:This paper discusses the feasibility of employing alumina substrates instead of fused quartz or sapphire substrates in millimeter-wave integrated circuits (IC's), an attractive prospect since alumina boasts considerable advantages over either of the other materials. Millimeter-wave 50-GHz components were developed on alumina substrates. These included passive components, a mixer, an ASK modulator, and an oscillator. Empirical results for both oscillator stabilization using a dielectric resonator and a new application of a GaAs FET in a millimeter-wave oscillator-doubler are presented. Examples of integrated systems using millimeter-wave IC'S are also presented. These systems include a compact Doppler radar front-end for an automobile ground-speed sensor, and a transmitter/receiver for digital radio equipment. All of them are fabricated on alumina substrates.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1983.1131445