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High Speed And Wide Bandwidth Of Technology

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CHAPTER 1
INTRODUCTION
1.1 Introduction

Analog to digital converters (ADCs) is a mixed signal processing device that converts analog signals which are real world signals to digital signals for processing the information. With the advancement of technology, digital signal processing has progressed prominently in recent years. The aim of design is low power, high speed and wide bandwidth analog-to-digital converter has increased tremendously. Therefore the focus of this thesis is to design low power Flash ADC that operates at high speed. Integration at very large scale a new architectures, and advances in integrated circuit (IC) technology have dramatically changed the design of these systems and created new areas of research and development. By the evolution of technology the transistor size is reduces and the response of transistor is being faster. The evalution of design is deals with a high speed (above 250MHz) but has low resolution (2 to 8 bits) as with small die area which is called System on a chip (SoC). In this trend a large number of transistor is integrated on a single chip, it is a challenge for a developer who designs an analog circuit for high speed applications these are analog to digital and digital to analog converters (ADCs and DACs) that also maintains other desirable attributes like low power consumption and small chip area.
The main objective for the consideration a designed ADCs for the complete SoC are high speed and low power consumption. For a Low

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