Chapter 491

A robust 10MHz reference clock input protection circuit and distributor for RF systems

Michel Azarian

Abstract

A robust 10MHz reference clock input protection circuit and distributor for RF systems is described.

Keywords

10MHz reference input circuit

LTC6957-3

Introduction

Designing the reference input circuit for an RF system can prove tricky. One challenge is maintaining the phase noise performance of the input clock while meeting the protection, buffering and distribution requirements for the clock. This article shows how to design a 10MHz reference input circuit and optimize its performance.

Design requirements

RF instruments and wireless transceivers often feature an input for an external reference clock, such ...

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