User’s Guide
CDCM7005 QFN Package Evaluation Module Manual
HPA/High Speed Communications
2005
IMPORTANT NOTICE
Products
Applications
EVM IMPORTANT NOTICE
EVM WARNINGS AND RESTRICTIONS
CDCM7005 Data Sheet, SCAS793, Texas Instruments
Read This First
How to Use This Manual
Preface
Contents
6 Parts List, Board Layouts, and Schematics
1 Introduction
2 Quick Start
Figures
Tables
3−1 Filter Configurations
Introduction
Chapter
Topic
Page
1.1 CDCM7005 Functional Block Diagram
CDCM7005 Functional Block Diagram
⎟ ⎟ ⎟ ⎟ ⎟ 6 ⎟
⎟ 4 o
Quick Start
Chapter
EVM Hardware
Page
Topic
Chapter
3.1 Board View and Connector Location
3.2 Hardware Configuration
3.2.1 Power Supply P1, P2
3.2.2 Onboard Switches and Indicators SW1−SW2, D1−D4
Table 3−1. Filter Configurations
3.2.3 Programming Interfaces J30, J31
3.2.4 Loop Filter J32−J34
Default setting Passive Loop Filter
3.2.6 VCXO Inputs and Outputs J16−J18
3.2.7 AC-Coupling at PRIREF C1, R4, R6 and SECREF C5, R13, R15
Serial Peripheral Interface SPI Software
Chapter
Page
Topic
4.2 Software Installation
Follow the steps below in order to install the SPI control software
4.1 Functional Description
Figure 4−1. Screen View
Application Circuit Diagram
This chapter discusses the application circuit diagram
Chapter
Topic
5.1 Application Circuit Diagram
Figure 5−1. CDCM7005 With a Passive Loop Filter Configuration
5.1.1 Passive Loop Filter
5.1.2 External Active Loop Filter Using OPA341
Figure 5−2. CDCM7005 With a External Active Loop Filter Using OPA341
Application Circuit Diagram
Application Circuit Diagram
Parts List, Board Layout, and Schematics
Parts List
Schematics
Chapter
Parts List
Parts List
Footprint
Part Number
Parts List
Parts List, Board Layout, and Schematics
Footprint
Part Number
Parts List
Footprint
Part Number
Designator
6.2 Board Layout
Figure 6−1. Component View and Silkscreen Top View
Parts List
Parts List, Board Layout, and Schematics
Figure 6−2. Component View and Silkscreen Bottom View
Parts List
Figure 6−3. Top Layer View
Parts List
Parts List, Board Layout, and Schematics
Figure 6−4. Bottom Layer View
Parts List
Figure 6−5. Ground Plane View
Parts List
Parts List, Board Layout, and Schematics
6.3 Schematics
Figure 6−6. Power Layer View
Parts List
ve RParts List
Parts List, Board Layout, and Schematics
6-11
Module
List
CDCM7005EVMQFN−SCH
CDCM7005QFN Evaluation Module
Schematics
Passive Filter Default Setting short pin 1 & 3 on J3 2, J33
Parts
PartsList
List
CDCM7005QFN Evaluation Module
CDCM7005EVMQFN−SCH A
Parts List, Board Layout, and Schematics
CDCM7005QFN Evaluation Module
CDCM7005EVMQFN−SCH