K-Band Integrated Double-Balanced Mixer

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1980 English Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Microwave Theory and Techniques, volume 28, pages 180-185 (issn: 0018-9480,

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Authors: H. Ogawa; M. Aikawa; K. Morita;

doi: 10.1109/tmtt.1980.1130038

K-Band Integrated Double-Balanced Mixer

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Abstract

A novel microwave integrated circuit (MIC) double-balanced mixer with good isolation between the three ports is described. The mixer is fabricated using a combination of microstrip lines, slotlines, and coupled slotlines, together with four beam-lead Schottky-barrier diodes. The K-band magic-T has been developed for the double-balanced mixer. The minimum conversion loss measured at a signal frecuency of 19.6 GHz is 4.7 dB. Isolation between RF and LO ports is greater than 20 dB from 18 to 21 GHz. The mixer can be expected to have wide applications in MIC receivers and transmitters up to the millimeter-wave band.

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