BOTHHAND FB2021

Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhand.com
10 BASE-T LOW PASS FILTER TRANSMITTER & RECEIVER WITH COMMON CHOKES
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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)