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This presents a differential outputs divide-by-4 with class-A-C injection-locked frequency divider (ILFD) was implemented in the TSMC standard 0.18 μm CMOS process for biomedical sensor and wearable applications. The ILFD is based on a differential VCO with one injection MOSFET for coupling the external signal to the resonator. The locking range of the ILFD is increased by using a new LC resonator...
The Discrete Fourier Transform (DFT) is still a widely-used tool for analyzing and measuring both stationary and transient signals in power systems. However, the misapplications of DFT can lead to incorrect results caused by some problems such as aliasing effect, spectral leakage and picket-fence effect. A strategy of Piecewise-overlapped Group-harmonic Energy Restoring (PGER) algorithm is developed...
The discrete Fourier transform (DFT) is still a widely used tool for analyzing and measuring both stationary and transient signals in power system harmonics. However, the misapplications of the DFT can lead to incorrect results caused by some problems such as an aliasing effect, spectral leakage, and picket-fence effect. A strategy of recursive group-harmonic power minimizing algorithm is developed...
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