Monolithic rat-race mixers for millimeter waves

In this paper, we report on fully monolithic millimeter-wave Schottky-barrier diode (SBD) down-converters with an IF amplifier using heterojunction bipolar transistors (HBT's). A rat-race circuit is used for the mixer, and is analyzed using a harmonic-balance simulator. The measured conversion...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 1998-06, Vol.46 (6), p.839-841
Hauptverfasser:	Matsuura, H., Tezuka, K., Aoki, I., Yamanaka, M., Kobayashi, S., Fujita, T., Miura, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuit simulation Coplanar waveguides Heterojunction bipolar transistors Millimeter wave circuits Millimeter wave measurements Millimeter wave radar Millimeter wave technology Millimeter wave transistors Radio frequency Schottky diodes
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Beschreibung
Zusammenfassung:	In this paper, we report on fully monolithic millimeter-wave Schottky-barrier diode (SBD) down-converters with an IF amplifier using heterojunction bipolar transistors (HBT's). A rat-race circuit is used for the mixer, and is analyzed using a harmonic-balance simulator. The measured conversion gain and the isolation are 7.1 and 29 dB in the V-band design, and 8.0 and 25 dB in the W-band design, respectively. The conversion gains are matched well with the circuit simulation.
ISSN:	0018-9480 1557-9670
DOI:	10.1109/22.681209