October 2006
rev 1.6
P2781/82/84
Loop Filter Selection Table VDD 3.3V
Contact PulseCore for loop values that are not listed in the table and for
component selection values for industrial and automotive temperatures.
BW = ±0.50%1
C2
BW = ±0.75%1
C2
BW = ±1.00%1
C2
BW = ±1.25%1
C2 R1
Input
MHz
FS1 FS0
C1
(pF)
R1
C1
R1
C1
R1
C1
(pF)
(ohm) (pF)
(pF)
(ohm) (pF)
(pF)
(ohm)
(pF)
(pF)
(ohm)
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
270 330,000 220
270 100,000 270
270 100,000 390
270 100,000 510
270 100,000 620
270 100,000 820
270 330,000 300
270 100,000 390
270 100,000 560
270 100,000 750
270 100,000
270 100,000
270 100,000
390
560
560
560
560
680
330
680
270
560
100,000
100,000
100,000
6,800
510
4
680
5
750
910
6
270
10,000
5,600
1,000
1,200
2,200
2,200
750
1,200
1,200
2,200
2,200
910
7
270 100,000 1,000 270
270 100,000 1,200 270
3,300
8
12,000
5,600
6,800
2,700
9
270 100,000 1,000 270 100,000 1,500 270
10
270 100,000 330
270 100,000 390
270 100,000 510
270 100,000 560
270 100,000 620
270 100,000 750
270 100,000 820
270 100,000 910
270 100,000 510
270 100,000 560
270 100,000 750
270 100,000 820
270 100,000
100,000
100,000
6,800
11
270 100,000 866(1%) 560
1,100
1,200
1,200
1,200
1,500
2,200
2,200
2,200
2,700
910
1,100
1,200
1,200
1,200
1,500
2,200
2,200
2,200
2,700
910
1,100
1,200
1,200
1,200
1,500
2,200
2,200
2,200
2,700
12
270
270
10,000
12,000
5,600
1,000
1,200
1,200
1,200
2,200
2,200
2,200
2,200
750
680
470
330
330
680
390
270
270
560
13
4,700
14
270 100,000 1,000 270
270 100,000 1,100 270
270 100,000 1,200 270
270 100,000 1,300 270
3,300
15
3,900
3,300
16
12,000
10,000
5,600
6,800
17
3,900
18
270 100,000 1,000 270 100,000 1,500 270
270 100,000 1,200 270 100,000 1,600 270
2,700
19
3,300
2,700
20
270 100,000 330
270 100,000 390
270 100,000 510
270 100,000 560
270 100,000 620
270 100,000 750
270 100,000 820
270 100,000 910
270 100,000 560
270 100,000 620
270 100,000 750
270 100,000 820
270 100,000 1,000 270
270 100,000 1,100 270
270 100,000 1,200 270
270 100,000 1,300 270
270 100,000
100,000
100,000
6,800
21-22
23-24
25-26
27-28
29-30
31-32
33-34
35-36
37-38
39-42
43-46
47-50
51-54
55-58
59-62
63-66
67-70
71-74
75-78
270 100,000 866 (1%) 560
270
270
10,000
12,000
6,800
1,000
1,200
1,200
1,200
2,200
2,200
2,200
2,200
750
680
470
330
330
680
390
270
270
560
4,700
3,300
3,900
3,300
12,000
10,000
5,600
6,800
3,900
270 100,000 1,000 270 100,000 1,500 270
270 100,000 1,200 270 100,000 1,600 270
2,700
3,300
2,700
270 100,000 330
270 100,000 390
270 100,000 510
270 100,000 560
270 100,000 620
270 100,000 750
270 100,000 820
270 100,000 910
270 100,000 560
270 100,000 620
270 100,000 750
270 100,000 820
270 100,000 1,000 270
270 100,000 1,100 270
270 100,000 1,200 270
270 100,000 1,300 270
270 100,000
100,000
100,000
6,800
270 100,000 866 (1%) 560
270
270
10,000
12,000
6,800
3,900
12,000
8,200
5,600
3,300
1,000
1,200
1,200
1,200
2,200
2,200
2,200
2,200
680
470
330
330
680
390
270
270
4,700
3,300
3,300
6,800
3,900
270 100,000 1,000 270 100,000 1,600 270
270 100,000 1,200 270 100,000 1,800 270
2,700
2,700
1 The BW value is representative of typical conditions
General Purpose EMI Reduction IC
3 of 11
Notice: The information in this document is subject to change without notice.
PULSECORE [ PulseCore Semiconductor ]
