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This paper presents the evaluation of a pad model which is made by using L-2L de-embedding method. The coplanar waveguide transmission line (CPWTL) is used to evaluate the de-embedding method. The pad circuit model is set up after obtaining the results of de-embedding. Two comparisons are carried out to accomplish the evaluation of the pad circuit model. The calculation error in quality factor of...
This paper proposes a de-embedding method for on-chip S-parameter measurements at mm-wave frequency. The proposed method uses only two transmission lines with different length. In the proposed method, a parasitic-component model extracted from two transmission lines can be used for de-embedding for other-type DUTs like transistor, capacitor, inductor, etc. The experimental results show that the error...
Practical characterization of active and passive devices in CMOS technology is presented in this paper for designing millimeter-wave power amplifiers. Detailed modeling strategy for transmission line, T-junction, and transistor is explained with some actually-designed millimeter-wave amplifiers. A 4-stage PA is implemented in 65 nm CMOS process. A 20 dB power gain and a 9.9 dBm 1 dB output compression...
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