Delta Electronics LCP-2125 Manual do Utilizador descarregar pdf (Página 3)

Deluxe LCP-1250xxxDM Series

DELTA ELECTRONICS, INC.

3 2004/10

Rev. 0A

www.deltaww.com

Optical Characteristics (LCP-1250A4FDM)

(T

A

=0 ºC to 70 ºC, V

CC

=3.135V to 3.465V, Data Rate=1.25Gb/sec, PRBS=2

7

-1 NRZ, 50/125µm MMF)

Parameter Symbol Min. Typ. Max. Unit Note

Transmitter

Output Optical Power (Avg.) Po -9.5 -4 dBm

Optical Extinction Ratio 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

260 psec 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

LOS- De-Asserted (Avg.) PD -17 dBm

LOS- asserted (Avg.) PA -30 dBm

LOS-Hysteresis PD-PA 0.5 dB

Overload P

O

-4 dBm

Notes:

1. These are 20%~80% values

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

-12

or better with an input signal consisting of 1.25Gb/s,

2

7

-1 PRBS.

Mask of the eye diagram for the optical transmit signal

1 2 3 4 5 6 7 8 ... 19 20

Deluxe LCP-1250xxxDM Series 1

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