NY15D Series – 1550nm Microwave DFB Laser Module

NY15D series laser module is a directly modulated DFB laser that provides exceptional performance for linear fiber optics communications in very wide bandwidth applications.
NY15D’s linear fiber optic lasers are an excellent alternative to using coaxial cable systems to transmit 12 GHz or 18 GHz signals. They offer significant improvements in the reliability of microwave communications networks by transmitting the RF signal in its original format.
As a result of these properties, laser products provide significant improvements in signal quality for a wide variety of applications including antenna remoting, telemetry, timing and reference signal distribution, measurement, and delay lines.
The NY15D series laser built-in optical isolator, TEC, thermistor, laser diode chip, and monitor photodiode are hermetically sealed in a 7PIN butterfly package.

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Description

Features of 1550nm Microwave DFB Laser Module

High-Dynamic-Range
18 GHz Bandwidth
Low threshold current
High output power
7pin butterfly package with SMA connector
Operating case temperature: -40 to 70℃
High reliability

Applications of 1550nm Microwave DFB Laser Module

Antenna Remoting
Cellular and PCS Networks
Analog RF links transmission
Military Communications

1550nm Microwave DFB Laser Module Performance Specifications

Absolute Maximum Rating
Parameter	Symbol	Min.	Max.	Unit
Laser diode forward current	If	–	120	mA
Laser diode reverse voltage	V	–	1	V
Front power	Pf	–	20	dBm
PD reverse voltage	V	–	15	V
Forward current (PD)	Im	–	2	mA
Operation temperature	To	-40	70	°C
Storage temperature	Ts	-55	85	°C
Storage relative humdity	Sr	–	85	%

Optical and Electrical Specification (Tc=25°C)
Parameter	Symbol	Test Condition	Min	Typ	Max	Units	Note
Wavelength	λ	IF = IOP, T = TOP	–	1550	–	nm
Frequency	–	X Option	0.1	–	12	GHz	–
Frequency	–	Ku option	1	–	18	GHz	–
Optical Output Power	P	IF=Iop	–	10	–	mW	1
Thershold current	Ith	λ=1550nm	–	–	10	mA	–
Operation current	Iop	λ=1550nm	–	55	100	mA	–
Operation voltage	Vop	λ=1550nm	–	1.5	2.5	V	–
Slope efficiency	SE	–	0.2	–	–	W/A	–
Side-mode suppression ratio	SMSR	λ=1550nm ,IF=Iop	30	–	–	dB	–
Rative Intensity Noise	RIN		–	-150	-130	dB/Hz	–
Bandwidth (-3dB,I=60mA)	S21	X Option	–	12	–	GHz	–
Bandwidth (-3dB,I=60mA)	S21	Ku option	–	18	–	GHz	–
Return loss	VSWR	X Option	–	–	2	dB	–
Return loss	VSWR	Ku option	–	–	2.2	dB	–
Input 1 dB Compression		–	15	–	–	dBm	–
Thermistor Resistance	Rth	@25°C	–	10	–	Kohm	–
TEC current	It	–	–	–	1.2	A	2
TEC voltage	Vt		–	–	2.5	V	2
Capacitance (PD)	Ct		–	–	20	pF	–
Monitoring current	Im	–	0.1	–	2	mA	–
Dark current (PD)	Id		–	–	50	nA	–

Notes: All laser chips come from wafers that have been certified using a representative lot of devices that must achieve an acceptable yield for burn-in.

Laser temperature set 25℃, bias current at 55mA
Operation case temperature -40~70℃

Typical Data

(λ=1550nm , TC =25 ℃)

1234371418512023553 — **Fig . 1 X- Band S11 and S22 data**

2 2 — **Fig . 2 Ku- Band S11 and S22 data**

Electrical Schematic

Outline Drawings(Unit: mm[inch])

Ordering Information

NY15D Series - 1550nm Microwave DFB Laser Module

Precautions

The fiber bending radius is no less than 20 mm to avoid fiber damage.
Be sure the fiber coupling facet is clean before connecting it to the Opto-circuit.
Suitable ESD protection is required in storage, transportation, and use.

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