Texas Instruments Clock Jitter Cleaner With Dual Cascaded PLLs and Integrated 1.9 GHz VCO LMK04803BEVAL/NOPB LMK04803BEVAL/NOPB Scheda Tecnica
Codici prodotto
LMK04803BEVAL/NOPB
November 2013
LMK040xx Evaluation Board User’s Guide
SNAU045A
33
Copyright © 2013, Texas Instruments Incorporated
www.ti.com
Appendix E: Changing Active On-board Oscillator for PLL1
Changing from Crystal Resonator to VCXO
If the board has been setup to use the crystal-based oscillator with PLL1, the crystal may be
disabled and the VCXO enabled as described on the following pages:
1. Install a zero Ohm resistor in R79 (near the VCXO)