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Texas Instruments Read This First, CDCM7005 Data Sheet, SCAS793, Texas Instruments, Preface

Models: CDCM7005

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Preface

Preface

Read This First

About This Manual

This manual explains how to use the CDCM7005 evaluation module (EVM) and provides guidelines to build the customer’s own systems. The manual includes schematics, layout, bill of materials, and a software description.

How to Use This Manual

This document contains the following chapters:

-Chapter 1—Introduction

-Chapter 2—Quick Start

-Chapter 3—EVM Hardware

-Chapter 4—Serial Peripheral Interface (SPI) Software

-Chapter 5—Schematics, Board Layout, and Parts List

Related Documentation From Texas Instruments

-CDCM7005 Data Sheet, SCAS793, Texas Instruments

FCC Warning

This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference.

If You Need Assistance. . .

If you need assitance with this device, please email clocks_apps@list.ti.com

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Texas Instruments manual Read This First, CDCM7005 Data Sheet, SCAS793, Texas Instruments, Preface, About This Manual

Contents

CDCM7005 QFN Package Evaluation Module Manual User’s GuideHPA/High Speed Communications 2005Applications IMPORTANT NOTICEProducts EVM IMPORTANT NOTICE EVM WARNINGS AND RESTRICTIONS Read This First CDCM7005 Data Sheet, SCAS793, Texas InstrumentsHow to Use This Manual Preface6 Parts List, Board Layouts, and Schematics Contents1 Introduction 2 Quick Start3−1 Filter Configurations FiguresTables Chapter IntroductionTopic PageCDCM7005 Functional Block Diagram 1.1 CDCM7005 Functional Block Diagram⎟ ⎟ ⎟ ⎟ ⎟ 6 ⎟ ⎟ 4 oChapter Quick StartPage EVM HardwareTopic Chapter3.2 Hardware Configuration 3.1 Board View and Connector Location3.2.1 Power Supply P1, P2 3.2.2 Onboard Switches and Indicators SW1−SW2, D1−D43.2.3 Programming Interfaces J30, J31 Table 3−1. Filter Configurations3.2.4 Loop Filter J32−J34 Default setting Passive Loop Filter3.2.7 AC-Coupling at PRIREF C1, R4, R6 and SECREF C5, R13, R15 3.2.6 VCXO Inputs and Outputs J16−J18Chapter Serial Peripheral Interface SPI SoftwarePage TopicFollow the steps below in order to install the SPI control software 4.2 Software Installation4.1 Functional Description Figure 4−1. Screen ViewThis chapter discusses the application circuit diagram Application Circuit DiagramChapter Topic5.1.1 Passive Loop Filter 5.1 Application Circuit DiagramFigure 5−1. CDCM7005 With a Passive Loop Filter Configuration Figure 5−2. CDCM7005 With a External Active Loop Filter Using OPA341 5.1.2 External Active Loop Filter Using OPA341Application Circuit Diagram Application Circuit DiagramParts List Parts List, Board Layout, and SchematicsSchematics ChapterParts List Parts ListFootprint Part NumberParts List, Board Layout, and Schematics Parts ListFootprint Part NumberFootprint Parts ListPart Number DesignatorFigure 6−1. Component View and Silkscreen Top View 6.2 Board LayoutParts List Parts List, Board Layout, and SchematicsParts List Figure 6−2. Component View and Silkscreen Bottom ViewParts List, Board Layout, and Schematics Figure 6−3. Top Layer ViewParts List Parts List Figure 6−4. Bottom Layer ViewParts List, Board Layout, and Schematics Figure 6−5. Ground Plane ViewParts List Parts List 6.3 SchematicsFigure 6−6. Power Layer View Parts List, Board Layout, and Schematics ve RParts List6-11 ModuleCDCM7005QFN Evaluation Module ListCDCM7005EVMQFN−SCH Passive Filter Default Setting short pin 1 & 3 on J3 2, J33 SchematicsParts PartsListCDCM7005EVMQFN−SCH A ListCDCM7005QFN Evaluation Module CDCM7005EVMQFN−SCH Parts List, Board Layout, and SchematicsCDCM7005QFN Evaluation Module