4/16 Mbps Token Ring 24 Pin Module for Transmit and Receive

QAF-CSO7 8/10/94

DST7020

12/6/94

Electrical Specifications @ 25°C

Characteristic Impedance

Common to Common

Mode Rejection

-20 dB Min.

1-5 MHz

-8 dB Min.

24 MHz

Return Loss

-15 dB Min.

10-16 MHz

EPT7002

-7.0 dB Min.

32 MHz

Insertion Loss

-3.0 dBMax.

12 KHz

-1.7 dB Max.

24 MHz

-0.8 dB Max.

16 MHz

-70 dB Min.

100 KHz

-25 dB Min.

100 MHz

-55 dB Min.

10 MHz

-65 dB Min.

100 KHz

-20 dB Min.

200 MHz

-30 dB Min.

20 MHz

Common to Differential

Rejection

Supports both STP and UTP Transmission

PCA Part Number

Block Diagram for Receiver Interface Unit

Block Diagram for Transmit Interface Unit

SMD Package

.635 Typ.

White Dot

Pin 1

.350

Max.

1.30 Max.

.100 Typ.

.125 Min.

.020

Typ.

.585

Max.

PCA

Date Code

EPT7002

Leads : .018 Typ. x .008/.012

Signal Isolation

Matching Transformer

Phantom Drive

Signal Insertion

Filter

EMI Filtering

5 Phantom A

6 Phantom B

4

1

20 Gnd

Signal Isolation

Matching Transformer

Phantom Drive

Signal Return

Filter

EMI Filtering

7 Gnd

8 Gnd

10

9

17 Gnd

23 (3)

21 B

2

Vcc

3

24 (6)

22

13 (5)

15 G

12

Load

11

14 (4)

16 R

100

Ω UTP

100

Ω UTP

150

Ω STP

Unless Otherwise Noted

Dimensions in Inches

Tolerances: Fractional = ± 1/32

.XX = ± .030

.XXX = ± .010

TEL: (818) 892-0761

FAX: (818) 894-5791

WEB: http://www.pcainc. com

E L E C T R O N I C S

I N C .

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343