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Transient faults have become increasingly observable in combinational logic. This is due to the weakening of some inherent protective mechanisms that logic traditionally holds against such flawed spurious events. One of the aforementioned mechanisms relates to the propagation of transient faults along sensitizable paths. Existing literature that relies on logic simulation under estimates the number...
3D contactless technology based on capacitive coupling represents a promising solution for high-speed and low power signaling in vertically integrated chips. AC coupled interconnects do not suffer from mechanical stress, and the parasitic load is much reduced when compared to standard DC solutions, such as wire bonding and micro bumps. Communication system based on wireless interconnection scheme...
This paper presents a novel low-voltage low-phase-noise LC quadrature voltage controlled oscillator (QVCO) implemented in the TSMC 0.18-μm CMOS process. By using a combination of bottom-series coupling architecture and capacitor tapping technique, the QVCO achieves a zero resonator phase shift (RPS), a high loaded resonator quality factor, and limited phase noise contribution from the current source,...
In this paper a remote control equipment for monitoring and managing a street lighting system is presented. It is composed by a local control, realized by master boards located inside electrical panels and slave boards mounted on each lamppost, and by a remote control realized by a central unit for the remote communication with the local control system. The communication between master and slave boards...
The imaging laser radar is fine measure equipment for TAN with the ability to get the high precision 3D terrain. A 3D terrain matching processor was needed to be designed for the specifical application. In this paper, base on the specialty of the imaging laser radar, the3D terrain matching processor was designed, with scheme of DSP+FPGA calculating engine, multi-level memory system, flexible parallel...
In this paper, the effect of power supply noise imbalance on 900 MHz differential low noise amplifier (LNA) output is investigated. Chip and package (PKG) power distribution network (PDN) are modeled with lumped components to estimate the power supply noise imbalance. Also an equivalent circuit of differential LNA is modeled to estimate the noise voltage at differential LNA output and verified through...
In this paper, we developed a removable PLC module for electricity meter for AMR. The developed PLC module is compatible with Korea standard (KS) 4600-1 and consumes low power under 3 watts. We focused on suppressing noise which can be generated from a power supply, LC components, and several signal mismatches. Thus we can achieve long distance PLC communication with high robustness in terms of noise...
In synchronous rotating frame (SRF), the mathematical mode of a three-phase PWM VSI with LC filter is complex, and the dq components have cross coupling terms. In order to obtain good dynamic and static performance, the controller structure should be inherently based on the systempsilas mathematical model, which means that the decoupling control strategy with feed-forward should be adopted. But this...
In deep submicron era, to prevent larger amount of SRAM from more frequently encountered overheating problems and react accordingly for each possible hotspots, multiple ideal run-time temperature sensors must be closely located and response rapidly to secure system reliability while maintaining core frequency. This paper presented a method to extract run-time temperature information from multiple...
The paper deals with a realization of a dual power supply for serial DC motor. Usually this is achieved with a parallel operation where one power supply is connected directly while the other is coupled through the power converter. The proposed solution is based on Boost converter attached between the DC power supply and motor. The solution is unique due to integration of Boost choke winding on the...
A minute error in workmanship may degrade the performance of the system and will become the cause for coupling of noise in-particularly when the lines carry the transients or surges. The amplitude levels also will vary if the line impedance varies. Power supply and signal cable lengths may raise the conducted and radiated emissions. Curtailing of lengths are most essential. Coupling of emissions can...
As per international EMC standards, conducted electromagnetic interference (CEMI) measurement shall be carried out by providing the power supply to the equipment under test (EUT) through a line impedance stabilization network (LISN) by means of an one-meter length cable and the EUT shall be kept at 40 cm distance from the vertical coupling plane (VCP), to avoid the influence of reflections, due to...
This paper proposes a transformer-coupled series DC active power filter (DCAPF) applied to high performance magnet power supplies with large current and low ripples. In the condition of heavy magnet loads, this type of DCAPF has much better filtering performance compared with the parallel DCAPF. Firstly, the configuration of the magnet power supplies with the series DCAPF is proposed. Then a novel...
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