Design and performance of a planar star mixer

This paper describes the realization of a hybrid star mixer as a planar circuit. The mixer has a minimum conversion loss of 5 dB and, for a conversion loss of less than 9 dB, spans over 2.2 GHz in IF bandwidth and 8 GHz in RF/LO bandwidth. The mixer employs a novel, planar balun structure, similar t...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1993-11, Vol.41 (11), p.2028-2030
Main Authors: Basu, S., Maas, S.A.
Format: Article
Language:English
Subjects:
Applied sciences
Bandwidth
Circuit properties
Conductors
Coplanar waveguides
Coupling circuits
Diodes
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Impedance matching
Inductance
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Phase detection
Prototypes
Radio frequency
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Summary:This paper describes the realization of a hybrid star mixer as a planar circuit. The mixer has a minimum conversion loss of 5 dB and, for a conversion loss of less than 9 dB, spans over 2.2 GHz in IF bandwidth and 8 GHz in RF/LO bandwidth. The mixer employs a novel, planar balun structure, similar to conductor-backed CPW, that is suitable for realization as a monolithic circuit.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.273431