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)
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61.9
422
61.9
422
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