CDCE62005 Datasheet, PDF (62/76 Pages) Texas Instruments – Five/Ten Output Clock Generator/Jitter Cleaner With Integrated Dual VCOs

CDCE62005
SCAS862 – NOVEMBER 2008........................................................................................................................................................................................... www.ti.com
Bit Name →
Resistor Value →
Register.Bit →
Table 42. CDCE62005 Internal Loop Filter – R3 Settings
EXLFSEL
—
6.26
1
0
0
0
0
R3 SETTINGS
LFRCSEL20
10 k
7.20
X
0
0
1
1
LFRCSEL19
5k
7.19
X
0
1
0
1
Resistor Value (kΩ)
External Loop Filter
20
15
10
5
External Loop Filter Component Configuration
To implement an external loop filter, set EXLFSEL bit (6.26) high. Setting all of the control switches low that
control capacitors C1 and C2 (see Table 40) remove them from the loop filter circuit. This is necessary for an
external loop filter implementation.
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