Delta Electronics LCP-1250A4FDRx specifications Optical Characteristics

Optical Characteristics

(VCC=3.3V ± 5%, Data Rate=1250Mb/sec, PRBS=27-1 NRZ)

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Transmitter
Output Optical Power (Avg.)	PO	-9.5		-4	dBm
Optical Extinction Ratio	ER	9			dB
Center Wavelength	λC	830	850	860	nm
Spectral Width (RMS)	σ			0.85	nm
Optical Rise/ Fall Time	tr/tf			260	pec	1
Receiver
Sensitivity (Avg.)	PIN			-17	dBm	2
Input Optical Wavelength	λ		850		nm
LOS-Deasserted (Avg.)	PA			-17	dBm
LOS-Asserted (Avg.)	PD	-30			dBm
LOS-Hysteresis	PA-PD	0.5			dB
Overload	PO	-3			dBm

Notes:

1.These are unfiltered 20%~80% values

2.The sensitivity is provided at a BER of 1×10-12or better with an input signal consisting of 1250Mb/s, 27-1 PRBS and ER=9dB.

Mask of the eye diagram for the optical transmit signal

3	Oct., 2006
	Rev. 6F
DELTA ELECTRONICS, INC.	www.deltaww.com