Delta Electronics LCP-1250A4FSRH Optical Characteristics LCP-1250B4QSR, Transmitter, Receiver

Optical Characteristics (LCP-1250B4QSR)

(VCC=3.135V to 3.465V, Data Rate=1.25Gb/sec, PRBS=27-1 NRZ, 9/125μm SMF)

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Transmitter
Output Optical Power (Avg.)	PO	-9.5		-3	dBm
Optical Extinction Ratio	ER	9			dB
Center Wavelength	λC	1270	1310	1355	nm
Spectral Width	σ			4	nm
Optical Rise/ Fall Time	tr/tf			260	psec	1
Total Jitter (pk-pk)	TJTX			220	psec
Relative Intensity Noise	RIN			-120	dB/Hz
Output Eye	Complies with	the IEEE	802.3z/D2	specification, and is class 1 laser
	eye safety
Receiver
Sensitivity (Avg.)	PIN			-19	dBm	1
Input Optical Wavelength	λ		1310		nm
LOS- De-Asserted (Avg.)	PD			-19	dBm	2
LOS- asserted (Avg.)	PA	-30			dBm	2
LOS-Hysteresis	PD-PA	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 1.25Gb/s, 27-1 PRBS and ER=9dB.

Mask of the eye diagram for the optical transmit signal

4	Nov., 2006
	Rev. 0C
DELTA ELECTRONICS, INC.	www.deltaww.com