This article discusses recent advances in CMOS-based mm-wave receivers for both passive and active mm-wave applications. System level configurations including scanning and array configurations are discussed as well as the advantages of pre-amplification vs. simple detection for active and passive imaging applications. Finally, several recent mm-wave receviers implemented in CMOS technology for both passive and active imaging applications are reviewed in detail.
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Tang et al. (2011) studied this question.
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