Abstract
In millimeter wave space communications packaged devices are usually involved for environmental and EMI protection reasons. Therefore, distributed and parasitic effect considerations become an important issue for the design and performance evaluation of space qualified frequency translating devices. Indeed, the accuracy of the usually adapted exponential I/V curve of an ideal (distributed and parasitic effects-free) diode, is considered to be not adequate for the prediction of spurious-response suppressions related to such millimeter wave diode mixers. In this paper the effects of parasitic [Cp] and distributed [Cj(ν)] diode capacitance in a single-tone spurious products evaluation of a commercially available Schottky-barrier based single-ended mixer, are investigated for frequencies up to 120 GHz. The reported results accurately demonstrate that the suppression of 3th and 5th order spurious products is strongly related to the variation of Cp and Cj(ν) with frequency.
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Kosmopoulos, S.A., Cornacchini, C. Spurious-response suppression evaluation of space qualified millimeter wave mixers: A distributed and parasitic effects approach. Int J Infrared Milli Waves 13, 197–206 (1992). https://doi.org/10.1007/BF01010653
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DOI: https://doi.org/10.1007/BF01010653