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Opep-33-a4q1r, Recommended interface circuit, Transmitter – Delta Electronics GE-PON ONU Transceiver OPEP-33-A4Q1R User Manual

Page 6: Receiver, Protocol ic serdes ic, Delta gepon onu module, Coupled interface

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OPEP-33-A4Q1R

DELTA ELECTRONICS, INC.

6 Revision:

S2

02/02/2007

www.deltaww.com

8. Recommended Interface Circuit

Transmitter

9. TD(p)

10. TD(n)

8. BiasCNT

6. VccT

7. VeeT

Receiver

100nF

100nF

1. VeeR

5. RD(p)

4. RD(n)

3. SD

2. VccR

100nF

10uF

100nF

10uF

100nF

1uH

1uH

3.3V

Protocol IC

SerDes IC

100ohm

BiasCNT

SD

DELTA GEPON ONU Module

Z0=50ohm

Z0=50ohm

RES

VccR

* RES is the internal 4.7K to 10K Ohms pull-up resistor.

Coupled

interface

82ohm

130ohm

3.3V

130ohm

3.3V

82ohm

100ohm

100nF

100nF

DELTA

ONU

Host

Board

DELTA

ONU

Host

Board

Z0=50ohm

Z0=50ohm

150ohm

150ohm

Z0=50ohm

Z0=50ohm

DC - Coupled interface

AC - Coupled interface

Coupled

interface