Abstract
ABSTRACTDevelopment of a sensitive Schottky detector using zero‐biased diode (ZBD) for preamplified millimeter‐wave imaging is presented. Low noise amplifier gain and detector responsivity, key parameters to the imaging module, are analyzed to get the sensitivity performance characterization. The detector integrates one ZBD, stripline filtering and matching elements, and finline transition on a thin Rogers substract. Methodology used to detector design is described here, including the determination and optimization of the circuit geometrical and electrical parameters. A relatively good agreement between the simulations and the measurements has been found. At 92 GHz, linearity of 0.998 and detection responsivity of 4000 mV/mW dB are measured, respectively. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2690–2693, 2015
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