10 BASE-T LOW PASS FILTER TRANSMITTER & RECEIVER WITH COMMON CHOKES

P/N:FB2021 APPLY TO GENERIC IC

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462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434

A0(12/01)

Feature

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IEEE 802.3 and IEEE 802.5 compatible.

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Designed to meet AMD AM79C98, AT & T T7220 & NS

DP83922 chip sets requirements.

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Integrated filter and isolation transformers in single 16 Pin

DIP package.

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Low insertion loss characteristics.

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Cost effective designs.

Electrical Specifications @ 25°C

Turns Ratio

(±5%)

Part

Number

TX

RX

CUT- OFF Frequency

Voltage Isolation

(Vrms)

FB2021

1CT:1CT

1CT:1CT

17 MHz ± 1.5MHz

1500

Continue

Insertion Loss

TX/RX(dB Max)

Attenuation

TX/RX(dB Min)

Return Loss

TX/RX(dB Min)

Cross talk

Attenuation

(dB Min)

Part

Number

1–10MHz

20MHz

25MHz

30MHz

40MHz

1-10MHz

1-10 MHz

FB2021

-1.0

-7/- 6

-19/-14

-28/-20

-32/-31

-20/-20

-30

Schematic