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This study describes the development of a sensitive liquid chromatography-electrospray-tandem mass spectrometry method for the simultaneous determination of benzyl butyl phthalate (BBP) and its major metabolites, monobenzyl phthalate (MBzP) and monobutyl phthalate (MBuP), in rat plasma, urine, and 10 different tissues. The method was validated with regard to the specificity, linearity, precision,...
In this paper, we proposed a low noise amplifier (LNA) for ultra wideband (UWB) application using TSMC 0.18μm CMOS technology. To satisfy the wide input matching, LC high-pass filter matching network is utilized in the first stage. To obtain the low power characteristic, folded-cascode with current reused technique is utilized in the second stage. The designed UWB LNA has the voltage gain of 17.6...
A phase shifter using an artificial magneto-dielectric substrate for array antenna is proposed. The miniaturization was achieved using an artificial magneto-dielectric (AMD) realized by a split ring resonator (SRR). By using an AMD on a T-junction power divider, a phase shift was designed to operate over the Mobile-WiMAX band (2.3 GHz ∼ 2.4 GHz). The proposed AMD is compact in size and yields low...
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