20LF021C

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