Delta Electronics LCP-155A4HSRx manual Optical Characteristics, Dcd, Rin, Pd-Pa

Optical Characteristics

(VCC=3.135V to 3.465V, Data Rate=155Mb/sec, PRBS=223-1 NRZ, 62.5/125µm MMF)

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Transmitter
Output Optical Power (Avg.)	PO	-20		-14	dBm
Optical Extinction Ratio	ER	9			dB
Center Wavelength	λC		1310		nm
Spectral Width (RMS)	σ			200	nm
Optical Rise /Fall Time	tr/tf			3	ns	1
Duty Cycle Distortion	DCD			0.6	ns
Jitter	tJ			1.0	ns
Relative Intensity Noise	RIN			-117	dB/Hz
Output Eye	Compliant with ITU-T recommendation G.957
Receiver
Sensitivity (Avg.)	PIN			-31	dBm	2
Input Optical Wavelength	λ		1310		nm
LOS-Deasserted (Avg.)	PD			-31	dBm
LOS-Asserted (Avg.)	PA	-48			dBm
LOS-Hysteresis	PD-PA	0.5			dB
Overload	PO	-14			dBm

Notes:

1.These are unfiltered 10%~90% values

2.The sensitivity is provided at a BER of 1×10-10or better with an input signal consisting of 155Mb/s, 223-1 PRBS and ER=9dB.

Mask of the eye diagram for the optical transmit signal

3	Sep., 2006
	Rev. 0B
DELTA ELECTRONICS, INC.	www.deltaww.com