A high-gain 50-GHz-band monolithic balanced gate mixer with an external IF balun

This paper presents a 90-GHz-band high-gain monolithic balanced gate mixer. IF impedance of the balanced gate mixer is approximated from a small-signal equivalent circuit, and conversion gain of the mixer is improved by using an external IF balun with high impedance-transforming ratio. The maximum c...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1998-06, Vol.46 (6), p.829-833
Main Authors: Kawakami, K., Uehara, N., Matsuo, K., Kashiwa, T., Itoh, K., Isota, Y., Ishida, O.
Format: Article
Language:English
Subjects:
Circuit topology
Filters
HEMTs
Impedance matching
Millimeter wave circuits
Millimeter wave communication
Millimeter wave radar
Millimeter wave technology
Millimeter wave transistors
Schottky diodes
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Summary:This paper presents a 90-GHz-band high-gain monolithic balanced gate mixer. IF impedance of the balanced gate mixer is approximated from a small-signal equivalent circuit, and conversion gain of the mixer is improved by using an external IF balun with high impedance-transforming ratio. The maximum conversion gain of 8.2 dB is achieved at LO power of 0 dBm. Effectiveness of the described mixer is confirmed experimentally.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.681207