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For millimeter-wave CMOS circuit design, accurate device models are necessary. Especially an accurate de-embedding method is very important. Hence, precise deembedding of pad parasitics is the first and valuable step to achieve accurate device models. In this work, a new pad modeling based on an L-2L de-embedding is proposed. The pad model is derived with an assumption that characteristic impedance...
This paper presents small-area 60 GHz amplifiers using narrow transmission line. All the circuits presented by the authors were designed using narrow transmission line with a 6 µm signal line width. Because the phase constant of a narrow transmission line is larger, impedance matching is achieved using a much shorter line length compared with matching using a wider transmission line. Single-stage...
This paper discusses about device characterization for mmW transceiver design. Especially, the de-embedding error is evaluated with a 60 GHz 4-stage amplifier and measured data of transmission line. According to a comparison of characteristic impedances of transmission line which are derived by Thru-only and L-2L de-embedding methods, there are about 5.9% error at 60GHz in Thru-only one and less than...
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