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This paper concentrates on the modeling of an in-line MEMS (microelectromechanical systems) frequency discriminator which is applied to the RF (radio frequency) receiver front-ends. In addition to the frequency detection of the RF signal, the resonant frequency of the VCO (voltage controlled oscillator) can be tuned through the output dc thermal voltage generated by the in-line MEMS frequency discriminator...
This paper presents a developed integrated study of the design, measurement and the application potential in phase locked loop (PLL) of a wideband MEMS phase detector. Cascaded transmission lines are adopted to realize wideband performance. Design equations are derived based on even/odd-mode analysis. Optimized structure is obtained by ANSYS simulation. The measurements focus on phase detection for...
This paper focuses on a computer-aided equivalent circuit model of a MEMS phase detector and applies it in a phase locked loop (PLL). Low-pass filter which is essential in a traditional PLL is omitted for the output of the MEMS phase detector is dc voltage. The electric-thermal-electric conversion inside the phase detector is illustrated in circuit terms and is realized in the incorporation in PLL...
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