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M2004-01-669.3266 View Datasheet(PDF) - Integrated Circuit Systems

Part Name
Description
Manufacturer
M2004-01-669.3266
ICST
Integrated Circuit Systems ICST
M2004-01-669.3266 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Micro Networks
An Integrated Circuit Systems Company
M2004-01
Preliminary Specifications
FUNCTIONAL DESCRIPTION
LOOP FILTER
The M2004-01 requires the use of an external loop
filter via the provided filter pins. Due to the
differential design, the implementation requires two
identical RC filters as shown in Figure 2.
FIGURE 2
OP_IN
Rloop
Cloop
Rpost
nOP_OUT
OP_OUT
nOP_IN
Rloop Cloop
Rpost
nVc
Cpost
Cpost
Vc
TABLE 1. RECOMMENDED LOOP FILTER VALUES
REF_CLK
Frequency
19.44MHz
VCSO
Frequency
622.0800MHz
MN
FOUT Rloop
32 1 622.0800MHz 5k
Cloop
1MF
Rpost
50k
Cpost
100pf
Micro Networks 324 Clark Street Worcester, MA 01606 tel: 508-852-5400 fax: 508-852-8456 www.micronetworks.com
3
 

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