نتایج جستجو برای: low power adder circuit
تعداد نتایج: 1689202 فیلتر نتایج به سال:
Recent advances in mobile computing and multimedia applications demand high-performance and lowpower VLSI Digital Signal Processing (DSP) systems. One of the most widely used operations in DSP is Finite-Impulse Response (FIR) filtering. In the existing method FIR filter is designed using array multiplier, which is having higher delay and power dissipation. The proposed method presents a program...
Practical issues in the design of power clock generators needed by adiabatic logic circuits are explained. Synchronous and asynchronous power clock generators are designed for an 8-bit adiabatic carry look-ahead adder and the more energy efficient circuit for the power clock generation is determined to be the 2N synchronous power clock generator that exhibits conversion efficiency of 77% at 1 o...
Based on the ASIC layout level simulation of 7 types of adder structures each of four different sizes, i.e. a total of 28 adders, we propose expressions for the width of each of the three regions of the final Carry Propagate Adder (CPA) to be used in parallel multipliers. We also propose the types of adders to be used in each region that would lead to the optimal performance of the hybrid final...
A complex digital circuit comprises of adder as a basic unit. The performance of the circuit depends on the design of this basic adder unit. The speed of operation of a circuit is one of the important performance criteria of many digital circuits which ultimately depends on the delay of the basic adder unit. Many research works have been devoted in improving the delay of the adder circuit. In t...
This paper presents the design consideration of high order digital AZ modulators used as modulus controller for fractional-N frequency synthesizer. A third-order MASH structure (MASH 1-2) is designed and implemented which allows for the input to operate over 75% of the input adder capacity. The number of the output levels is reduced to two bits. The circuit was verified through simulation, ASIC...
With the growing importance of electronic products in day-to-day life, the need for portable electronic products with low power consumption largely increases. In this paper, an area efficient high speed and low power Multiply Accumulator unit (MAC) with carry look-ahead adder (CLA) as final adder is being designed. In the same MAC architecture design in final adder stage of partial product unit...
This paper describes the speed of the design is limited by size of the transistors, parasitic capacitance and delay in the critical path. Power consumption and speed are two important but conflicting design aspects; hence a better metric to evaluate circuit performance is power delay product (PDP).The driving capability of a full adder is very important, because, full adders are mostly used in ...
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