Bothhand USA. e-mail: [email protected] http://www.bothhand.com 10 BASE-T LOW PASS FILTER TRANSMITTER & RECEIVER WITH COMMON CHOKES Page : 1/1 P/N:FB2021 APPLY TO GENERIC IC Feature l IEEE 802.3 and IEEE 802.5 compatible. l Designed to meet AMD AM79C98, AT & T T7220 & NS DP83922 chip sets requirements. l Integrated filter and isolation transformers in single 16 Pin DIP package. l Low insertion loss characteristics. l Cost effective designs. Electrical Specifications @ 25°C Part Turns Ratio (±5%) Number FB2021 Voltage Isolation CUT- OFF Frequency TX RX 1CT:1CT 1CT:1CT (Vrms) 17 MHz ± 1.5MHz 1500 Continue Part Number FB2021 Insertion Loss Attenuation Return Loss TX/RX(dB Max) TX/RX(dB Min) TX/RX(dB Min) Cross talk Attenuation (dB Min) 1–10MHz 20MHz 25MHz 30MHz 40MHz -1.0 -7/- 6 -19/-14 -28/-20 -32/-31 Schematic 1-10MHz 1-10 MHz -20/-20 -30 Mechanical 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 A0(12/01)