The influence of technological variation of parameters of device design and their nonlinear elements on technological variation of frequency mixer assignment indicators has been investigated using the stochastic model of frequency mixers based resonant-tunnel diodes developed by the authors. The influence of various stages of the diodes' manufacturing process on the scatter of the mixer assignment indicators has been assessed. The total contribution of technological scatters of the resonant-tunneling diodes' design parameters to the technological scatters of the studied mixers' performance indices (conversion losses, the level of unwanted combinational components of the output spectrum of the signal, the upper limit of the dynamic range by 1dB compression and intermodulation) is about 90%, and the largest contribution to the technological dispersion of the mixers' performance indices is caused by technological errors of the diodes' active region forming operations; the second place belongs to technological errors of the diodes' topology forming operations.
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Cherkasov et al. (2024) studied this question.
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