Prepared: Dennis Hsieh
Approved: Jess Kuo
Date: Mar 12, 1997.
Drawing no.: 20LF021C
REV: 1
Page: 1/ 1
10Base T Low Pass Filter
YCL
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
20 25
30
40
50
MHz
Transmitter
7
19
32
35
40
dB
Receiver
6
14
20
31
35
dB
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)
7.62(0.300)
2.54(0.100)
17.78(0.700)
Schematics:
10.16(0.400)
3.30(0.130)
25.40(1.000)
0.50X0.25+/-0.05
6.35(0.250)
16
15
14
12
11
10
9
1
2
3
4
5
6
7
8
61.9
422
61.9
422
50
50
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