10B-2001 データシートの表示（PDF） - Pulse Electronics

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10B-2001

MILITARY GRADE 10BASE-T INTERFACE MODULE

Pulse Electronics 

MILITARY GRADE 10BASE-T

INTERFACE MODULE

Application Notes

The module contains low pass filters, isolation

transformers, and common mode chokes. These

components provide impedance matching,

equipment isolation, and EMI compression to

comply with IEEE requirements. User

compliance with FCC/CSPR class B requirements

can be achieved by applying rigorous design

guidelines to suppress noise mechanisms.

Attention to high frequency signal paths, proper

PCB grounding techniques, and component

placement is critical. Pins 5 and 12, when

grounded, provide noise return paths. At

Electronics

least one of these (typically pin 12) must be

coupled with bypass capacitor. Recommended

module orientation with respect to RJ45

connector is illustrated in the application circuit.

Output pins 6 through 11 should be routed with

short, matched traces to the connector for

optimum EMI performance. The robust mechanical

package withstands IR reflow temperatures up to

235°C. Compliant leads provide excellent

solder-joint reliability with K.002 coplanarity.

Modules are shipped in tubes.

Schematic

CHIP SIDE

TRANSMIT

CHANNEL

1

LOW PASS

FILTER

5

7

3

LOW PASS

FILTER

UTP SIDE

8

100Ω

6

CHIP SIDE

RECEIVE

CHANNEL

16

LOW PASS

FILTER

12

10

14

LOW PASS

FILTER

UTP SIDE

9

100Ω

11

2

pulseelectronics.com

M156.A (04/11)

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