Abstract
This paper describes the design and modeling of a quasi-optical monolithic mixer system. An integrated slot-ring element with two Schottky-Barrier diodes acts simultaneously as an antenna, and as a mixer. A nonlinear analysis has been performed of the mixer function. The slot-ring element receives RF and LO power through a hyper-hemispherical lens. This lens is also analyzed and radiation patterns are calculated, which are in good agreement with measurements. The results in this paper indicate that quasi-optical monolithic monopulse systems in the millimeter wave range, based on four slot-ring elements and a hyper-hemispherical lens, should have excellent performance.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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