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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 333

Maximize the performance of 16-bit, 105Msps ADC with careful IF signal chain design

Clarence Mayott and Derek Redmayne

Abstract

The LTC2274, a 16-bit, 105Msps ADC that provides excellent AC performance with an appropriate IF signal chain, is described.

Keywords

ADC

16-bit converter

LTC2274

Introduction

Modern communication systems require an ADC to receive an analog signal and then convert it into a digital signal that can be processed with an FPGA. The job of a mixed signal engineer is to optimize the signal at the input of the ADC to maximize overall system performance. This usually requires a signal chain comprised of multiple gain and filtering sections. An ADC is only as good as the signal it is measuring.

For instance, ...

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