10 Base-T Interface Module with

Enhanced Common Mode Attenuation

CSA2852a

Rev. A1

5/21/97

• 10 Base-T Filter Module •

• Available in SMD, DIP and DIL Packages •

• Complies with or exceeds IEEE 802.3, 10 Base-T Requirements •

EPA2852

E L E C T R O N I C S I N C .

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pcainc.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

Dimensions

A

B

C

D

E

F

G

H

I

(J)

K

Dim.

Min.

Max.

Nom.

(Inches)

(Millimeters)

Min.

Max.

Nom.

.910

.400

.435

Typ.

.030

Typ.

.305

.022

.012

Typ.

.140

22.61

10.54

8.38

17.78

.508

2.54

7.37

.406

.203

2.54

3.05

23.11

11.05

8.89

Typ.

.762

Typ.

7.75

.559

3.05

Typ.

3.56

.890

.390

.415

.700

.020

.100

.290

.016

.008

.100

.120

•

Isolation : meets or exceeds 802.3 IEEE Requirements • Characteristic Filter Impedance : 100

Ω •

• Referenced to the Output Level Fundamental Frequency @ 5 MHz •

Insertion

Loss

(dB Max.)

Common Mode

Rejection

(dB Min.)

Crosstalk

(dB Min.)

Return

Loss

(dB Min.)

-1.5

-15

1-10

MHz

@1-100

MHz

-28

-7

-17

-33

-35

@ 1-10

MHz

5-10

MHz

@ 20

MHz

@ 25

MHz

@ 30

MHz

@ 40

MHz

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Rcv

-30

-1.0

-15

-16

-5

-11

-26

Electrical Parameters @ 25° C

Cut-off

Frequency

(MHz)

16.5

Attenuation

(dB Min.)

± 1.0

MHz

Xmit

-30

Package

A

E

B

C

K

Pin 1

I.D.

G

I

F

J

D

PCA

Date Code

EPA2852

H

Receive Channel

12

49.9

Ω

LPF

10

9

16

14

11

49.9

Ω

15

Schematic

Transit Channel

2

LPF

3

5

62

Ω

261

Ω

2.4K

Ω

2.2M

Ω

8

6

2.2M

Ω

7

1

62

Ω

4

261

Ω