نتایج جستجو برای: circuit switching
تعداد نتایج: 180870 فیلتر نتایج به سال:
In this paper presents new topologies Multilevel DC-DC buck-boost converter which consists of an inductor based boost circuit and a switched capacitor circuit has high voltage gain and flexible output voltage. Operation of these switching devices causes inherently nonlinear characteristic to the DC-DC Converters include buck-boost converter. It is suitable for a low voltage power source such as...
Circuit switching, suited to providing real-time services due to the low and fixed switching delay, is not cost effective for building integrated services networks bursty data traffic because it is based on static allocation of resources which is not efficient with bursty data traffic. Moreover, since current circuit switching technologies handle flows at rates which are integer multiples of 64...
This paper proposes an AC-DC converter with the application of active type soft switching techniques. Boost converter with active snubber is used to achieve power factor correction. Boost converter main switch uses Zero Voltage Transition switching for turn on and Zero Current Transition switching for turn off. The active snubber auxillary switch uses Zero Current Switching for both turn on and...
Many multipoint virtual circuit switching systems have been proposed for use in ATM networks. The inherent exibility of ATM networks and the desire to use them for a wide range of di erent applications makes it impractical to rely upon statistical tra c models, motivating a renewed interest in nonblocking networks. While the various multipoint architectures can all be con gured to be nonblockin...
AbstraceIn this paper, the efficiency of a fully adiabatic logic circuit is compared with its combinational and pipelined static CMOS counterparts. The performance of each circuit is studied in terms of the maximum frequency of operation, the minimum voltage of operation, the circuit energy consumption, and the switching noise generated by the circuit. An 8-bit carry look-ahead adder is designe...
In this communication, the authors propose a current-mode analog circuit solution for the defuzzifying step required for the fuzzyknowledge-based control (FKBC) of switching DC-DC converters. Considering the modulation of pulse widths which is needed for the control of switched power plants, the division operation at the output layer of a fuzzy inference controller takes advantage of the implic...
We have investigated the impact of circuit limitations on the design of an Asynchronous Sigma-Delta Modulator (ASDM). Specifically, the hysteresis, which is normally embedded during the quantization process, can be used to improve the performance of ASDM. A programmable hysteretic element was designed and implemented for the quantizer and tested in an ASDM circuit based on John G. Harris et. al...
In energy supply applications for low-power sensors, there are cases where energy should be transmitted from a low-power battery to an output stage load capacitor. This paper presents an adiabatic charging circuit with a parallel switches approach that connects to a low-power battery and charges the load capacitor using a buck converter which operates in continuous conduction mode (CCM). A gate...
With the widespread application of junction transistors in switching applications, the need for a general method of analysis useful in the region of collector voltage saturation has become apparent. Linear equivalent circuits using lumped elements have long been used for small signal calculations of normally-biased transistors, but a comparable method for saturated transistors has been lacking....
ln this paper, the efficiency of a fully adiabatic logic circuit is compared with its combinational and pipelined static CMOS counterparts. The performance of each circuit is studied in terms of the maximum frequency of operation, the minimum voltage of operation, the circuit energy consumption, and the switching noise generated by the circuit. An 8-bit carry look-ahead adder is designed using ...
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