beautypg.com

Multi-mode series transceiver – Delta Electronics OPT-1250xxxx Series User Manual

Page 4

background image

OPT-1250xxxx Series

DELTA ELECTRONICS, INC.

4 Jan.,

2008

Rev. 0H

www.deltaww.com

Multi-Mode Series Transceiver

(OPT-1250A1F1x, OPT-1250A2F2x, OPT-1250A4F1x)

(At recommended ambient operating temperature, T

A

and supply voltage, V

CC

; Data Rate=1.25Gb/sec,

PRBS=2

7

-1 NRZ, 62.5/125um MMF)

Parameter Symbol

Min.

Typ.

Max.

Unit

Note

Transmitter

Output Optical Power (Avg.)

P

O

-9.5

-4

dBm

Optical Extinction Ratio

ER

9

dB

Center Wavelength

λ

C

830 850 860 nm

Spectral Width (RMS)

σ

0.85

nm

Optical Rise/Fall time

t

r

/t

f

0.26

ns

1

Relative Intensity Noise

RIN

-117

dB/Hz

Output Eye

Complies with the IEEE 802.3z/D2 specification, and is class 1
laser eye safety

Receiver

Sensitivity (Avg.)

P

IN

-17

dBm

2

Input Optical Wavelength

λ

850 nm

Optical Rise/Fall time

t

r

/t

f

0.36

ns

1

Signal Detect-Asserted (Avg.)

P

A

-17

dBm

Signal Detect-De-asserted (Avg.)

P

D

-30

dBm

Signal Detect-Hysteresis

P

A

-P

D

0.5 dB

Receiver saturation power

P

SAT

-4

dBm


Notes:

1. These are 20%~80% values

2. The sensitivity is provided at a BER of 1×10

-10

or better with an input signal consisting of

1250Mb/s, 2

7

-1 PRBS and ER=9dB.

Mask of the eye diagram for the optical transmit signal