beautypg.com

Recommended interface circuit (ac coupling) – Delta Electronics SFBD-1250B4Q1R User Manual

Page 5

background image

SFBD-1250B4Q1R

DELTA ELECTRONICS, INC.

5 Revision:

S0

04/12/2007

www.deltaww.com

7. Recommended Interface Circuit (AC Coupling)

Transmitter

100ohm

100nF

100nF

9. TD(p)

10. TD(n)

8. Tx_Dis

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

Tx_Dis

SD

DELTA SFF Module

Z0=50ohm

Z0=50ohm

Z0=50ohm

Z0=50ohm

150ohm

150ohm

RES

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

VccR