November 2013 LMK040xx Evaluation Board User’s Guide SNAU045A 13
Copyright © 2013, Texas Instruments Incorporated
www.ti.com
Figure 4. XTAL Oscillator Circuit diagram
CPout1
LMK040xx
OSCin
OSCin*
C
opt
PLL1 Loop Filter
XTAL
C
C1
= 2.2 nF
C
C2
= 2.2 nF
R1 = 4.7k
R3 = 10k
1 nF
R2 = 4.7k
SMV1249-074LF
C
opt
