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

Package

Schematic

Features

Supports both STP and UTP Transmission

Overvoltage Protection Circuit

Complies with IEEE 802.5 Specifications

QAF-CSO7 8/10/94

DST7010

Rev. A 1/16/95

Unless Otherwise Noted Dimensions in Inches

Tolerances:

Fractional = ± 1/32

.XX = ± .030

.XXX = ± .010

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

TEL: (818) 892-0761

FAX: (818) 894-5791

E L E C T R O N I C S

I N C .

Gnd 1 3

Tx+ 12

Tx- 10

Gnd 2 9

Ph- 14

Rx+ 2

Ph+ 13

Vcc 2 11

Rx- 4

PhRet B 6

Vcc 1 1

PhRet A 5

Transmit

Filter

Impedance

Matching

Network

Common

Mode

Filter

Common

Mode

Filter

17 Tu+

15 Ts+

16 Ts-

18 Tu-

21 Ru+

23 Rs+

22 Rs-

20 Ru-

19 Ch Gnd

Electrical Specifications @ 25°C

Characteristic Impedance

Insertion Loss

Receive

-15 dB Min.

1-17 MHz

Return Loss

Transmit

-10 dB Min.

17-25 MHz

EPT7010M & EPT7010MG

-30 dB Min.

36 MHz

Insertion Loss

Transmit

-.5 dB Max.

8 MHz

-7 dB Max.

32 MHz

-.8 dB Max.

16 MHz

-20 dB Min.

1-17 MHz

-15 dB Min.

17-25 MHz

-0.5 dB Max.

8 MHz

-0.5 dB Max.

24 MHz

-0.5 dB Max.

16 MHz

Return Loss

Receive

150

Ω

PCA Part Number(s)

Common to Common

Rejection Transmit

-80 dB Typ.

8 MHz

-60 dB Typ.

32 MHz

-75 dB Typ.

10 MHz

-70 dB Min.

20 MHz

-42 dB Min.

200 MHz

-45 dB Min.

100 MHz

Crosstalk

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

.635 Typ.

White Dot

Pin 1

.320

Max.

1.30 Max.

.100 Typ.

.125 Min.

.020

Typ.

.585

Max.

PCA

Date Code

EPT7010M

.010

.050

.800 Max.

.320

Max.

.600

SMD PAD LAYOUT

.080

.080

.040