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Delta Electronics OPT-1250xxxx Series User Manual

Page 6

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OPT-1250xxxx Series

DELTA ELECTRONICS, INC.

6 Jan.,

2008

Rev. 0H

www.deltaww.com

Recommend Circuit Schematic for Internal DC Coupled Transceivers

R1=R3=82 ohm (3.3V),68 ohm(5V)

R2=R4=130 ohm (3.3V),191 ohm (5V)
R5=R6=150 ohm (3.3V),270 ohm (5V)
R7=130 ohm (3.3V PECL),82 ohm(5V),NC (TTL)
R8=82 ohm (3.3V PECL),130 ohm(5V),NC (TTL)
C1=C2=C3=C4=C5=C6=C7=100 nF
C8=C9=10uF

L1=L2=1uH