10Base T Low Pass Filter
Model no. 20LF021C
Specifications: at 25 degree C.
1. Insertion Loss(1-10MHz): -4.5dB max.
2. Return Loss(1-10MHz): -15dB min.
3. Cut-Off frequency, -3dB : 17MHz+/-0.7MHz.
4. Attenuation:
Frequency
Transmitter
Receiver
20
7
6
25
19
14
30
32
20
40
35
31
50
40
35
MHz
dB
dB
YCL
5. Group Delay(5-10MHz): 4ns max.
6. Cross Talk(1-10MHz): -45dB min.
7. Common Mode Rejection Ratio: -45dB min @ 70-100Mhz.
8. Isolation Voltage for 1 minute: 1,500Vrms.
Dimension: mm(inch)
+/-0.25(0.010)
25.40(1.000)
10.16(0.400)
6.35(0.250)
3.30(0.130)
0.50X0.25+/-0.05
7.62(0.300)
2.54(0.100)
17.78(0.700)
Schematics:
1
2
3
4
5
6
7
8
61.9
422
61.9
422
1.2K
16
50
50
15
14
12
11
10
9
Prepared: Dennis Hsieh
Drawing no.: 20LF021C
Approved: Jess Kuo
REV: 1
Date: Mar 12, 1997.
Page: 1/ 1
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