Low Phase Noise Clock Evaluation Board User's Guide

Contents
1 General Description ..................................................................................................... 5
2 Signal Path and Control Circuitry .................................................................................. 6
3 Block Description ........................................................................................................ 7
3.1 Block A ............................................................................................................ 7
3.2 Block B ............................................................................................................ 7
3.3 Block C ............................................................................................................ 7
3.4 Block D ............................................................................................................ 7
4 Software-Selectable Options ........................................................................................ 7
5 Installing the Software GUI and USB Driver .................................................................... 8
6 ChronosGUI ............................................................................................................... 9
6.1 Using Software-Enabled Automatic PLL Selection .......................................................... 9
6.2 Manual PLL Block Selection (Advanced Control) .......................................................... 11
7 Configuring the Board ............................................................................................... 13
7.1 Programming and Testing Configuration (USB Cable Attached)—Default Configuration............. 13
7.2 Programming Configuration (USB Cable Attached) ........................................................ 13
7.3 Testing Configuration from a Saved Configuration (with USB Cable Removed After
Programming) ................................................................................................... 13
8 Schematics and Layout .............................................................................................. 14
Important Notices ............................................................................................................... 20
SCAU020 – March 2007 Table of Contents 3
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