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A discrete time single loop 2nd order 5-bit ΔΣ modulator is implemented in 65nm CMOS for digital audio and sensor applications. We propose a power efficient integrator based on periodical-reset dynamic amplifier without static current consumption. A passive inter-stage sampling method is proposed which prevents active buffer. A 3-D capacitance layout implementation method is employed to saving the...
ESD sensitive test was performed to verify the design of circuit protection unit. The failure ICs were analyzed by OBIRCH technique. Three anomalous thermally sensitive sites were localized including I/O and VCCIOs. OBIRCH analysis confirmed the failure sites were directly connect to the pads, mostly ESD protection units, decoupling capacitor and internal inverter. Physical failure analysis confirmed...
The optimal parameters of gated nanowire field emitters for field emission display application were studied. The device parameters such as geometric parameters of the nanowire, distance between gate electrode and cathode, the cathode to anode distance were simulated. It is found the nanowire height has an optimal value due to the combined effects of geometric field enhancement and gate induced electric...
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