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P/N:PFS2028 DATA SHEET

Feature

!

IEEE 802.3 and IEEE 802.5 compatible.

!

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

DP83922 chip sets requirements.

!

Integrated filter and isolation transformers in single 16 Pin

SMD package.

!

Low insertion loss characteristics.

!

Cost effective designs.

!

Operating temperature range: 0℃ to +70℃.

!

Storage temperature range: -25℃ to +125℃.

Electrical Specifications @ 25°C

Turns Ratio

(±5%)

Part

Number

TX

RX

CUT-OFF Frequency

HI-POT

(Vrms)

PFS2028

1 CT:1.41CT

1CT:1CT

17 MHz ± 1.5MHz

1500

Continue

Insertion Loss

(dB Max)

Attenuation

(dB Min) TX/RX

Return Loss

(dB Min)

Cross talk

Attenuation

(dB Min)

CMR

(dB Min)

Part

Number

1–10MHz 5-10MHz

20MHz

25MHz

30MHz

40MHz

5-10MHz

1-10 MHz

30-100MHz

PFS2028

-1.0/RX

-1.2/TX

-7/-6

-19/-14

-30/-20

-32/-31

-15

-30

-24

Schematic

Mechanica

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Bothhandusa.com

10 BASE-T LOW PASS FILTER TRANSMITTER

& RECEIVER WITH COMMON CHOKES

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