Abstract
This paper describes a single-chip CMOS quad-band(850/900/1800/1900 MHz) RF transceiver for GSM/GPRS applications.It is the most important design issue to maximize resourcesharing and reuse in designing the multiband transceivers. Inparticular, reducing the number of voltage-controlled oscillators(VCOs) required for local oscillator (LO) frequency generation isvery important because the VCO and phase-locked loop (PLL) circuitsoccupy a relatively large area.We propose a quad-band GSMtransceiver architecture that employs a direc ....etc

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project report on c-mos full adder for energy efficient arithetic appications ....etc

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import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Choice.*;
//
public class Awte extends Applet implements TextListener,ActionListener
{
int a,b,c;
String s;
TextField f1,f2,f3;
Label l1,l2,l3;
Button Add,Sub,Mul,Div;
public void init()
{
//setBackground(Color.green);
setForeground(Color.red);
l1=new Label(First number);
l2=new Label(Second number);
l3=new Label(Result);
f1=new TextField(10);
f2=new Te ....etc

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want a report on c-mos full adder for energy efficient arithmetic applications ....etc

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To make presentation on the requested topic ....etc

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Abstract
In this paper, we review the logical effort model presented in . Based on the HSPICE simulation results using 0.18/Jm, CMOS technology as applied to logic blocks used in arithmetic circuits; we analyze the efficiency of the model and also present modifications that include modeling of wire delay. We propose a new model for logical effort that will better fit the behavior of these blocks. The results are applicable for evaluation of arithmetic units as well as for development of new arithmetic algorithms. Our ultimate objective is ....etc

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Many cryptography arithmetic operations employ the method of modular multiplication. The underlying binary adders in modular multipliers is targeted in this development. The carry-save adder, carry-lookahead adder and carry-skip adder have been studied and compared. They showed interesting features and trade-offs.improved crypto designs are promised by the beneficial details that the design shows.

MODULAR MULTIPLICATION
Modular multiplication is defined as the computation of P=A×B mod M, which are represented using n bits. ....etc

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High-Speed VLSI Arithmetic Units: Adders and Multipliers


Introduction

Digital computer arithmetic is an aspect of logic design with the objective of developing
appropriate algorithms in order to achieve an efficient utilization of the available hardware .
Given that the hardware can only perform a relatively simple and primitive set of Boolean
operations, arithmetic operations are based on a hierarchy of operations that are built upon the
simple ones. Since ultimately, speed, power and chip area ar ....etc

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Energy-Delay Estimation Technique for High-Performance Microprocessor VLSI Adders

Abstract
In this paper, we motivate the concept of comparing
VLSI adders based on their energy-delay trade-offs and
present a technique for estimating the energy-delay space
of various high-performance VLSI adder topologies.
Further, we show that our estimates accurately represent
tradeoffs in the energy-delay space for high-performance
32-bit and 64-bit processor adders in 0.13μm and 0.10μm
CMOS technologies, with an accuracy of 8% in ....etc

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1. INTRODUCTION
An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU). Some processors contain more than one AU - for example, one for fixed-point operations and another for floating-point operations.
Generally ar ....etc

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