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Horizontal probe station poses challenges in determining performance of vertical interposers for test socket. In this paper, a PCB test structure has been proposed for measurement of our designed interposers up to 20 GHz. A new test structure is further proposed and simulated with HFSS to achieve a higher operating frequency. By converting the S-parameters of test structures to T-parameters and splitting...
This paper describes a D-band on-chip rat-race coupler using a novel phase inverter and developed in a standard CMOS process. The simple structural phase inverter which is based on the characteristic impedance and phase difference analysis has demonstrated its potential for wideband and compact millimeter-wave frequency range applications. The developed rat-race coupler using the proposed phase inverter,...
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