Product Description

The DWDM DFB Butterfly analog Laser Diode For CATV Application is a Dense Wavelength-Division Multiplexing (DWDM) laser for analog applications. It features a distributed feedback chip that has been designed specifically for Radio Frequency (RF) applications. The DWDM DFB Butterfly analog Laser Diode has a wide temperature range for reliable performance in harsh node environments and narrow transmitter designs. It also features low adiabatic chirp to maximize signal quality in short and long lengths of fiber. The laser’s excellent inherent linearity minimizes degradation of the broadcast signals caused by quadrature amplitude modulated (QAM) channels. The versatile DWDM DFB Butterfly analog Laser Diode reduces cable network architecture fiber needs and lessens equipment requirements in the hub.

Product Detail

1. Summary of DWDM DFB Butterfly analog Laser Diode For CATV Application

The DWDM DFB Butterfly analog Laser Diode is a Dense Wavelength-Division Multiplexing (DWDM) laser for analog applications. It features a distributed feedback chip that has been designed specifically for Radio Frequency (RF) applications. The DWDM DFB Butterfly analog Laser Diode has a wide temperature range for reliable performance in harsh node environments and narrow transmitter designs. It also features low adiabatic chirp to maximize signal quality in short and long lengths of fiber. The laser’s excellent inherent linearity minimizes degradation of the broadcast signals caused by quadrature amplitude modulated (QAM) channels. The versatile DWDM DFB Butterfly analog Laser Diode reduces cable network architecture fiber needs and lessens equipment requirements in the hub.

2. Introduction of DWDM DFB Butterfly analog Laser Diode For CATV Application

The DWDM DFB Butterfly analog Laser Diode is a Dense Wavelength-Division Multiplexing (DWDM) laser for analog applications. It features a distributed feedback chip that has been designed specifically for Radio Frequency (RF) applications. The DWDM DFB Butterfly analog Laser Diode has a wide temperature range for reliable performance in harsh node environments and narrow transmitter designs. It also features low adiabatic chirp to maximize signal quality in short and long lengths of fiber. The laser’s excellent inherent linearity minimizes degradation of the broadcast signals caused by quadrature amplitude modulated (QAM) channels. The versatile DWDM DFB Butterfly analog Laser Diode reduces cable network architecture fiber needs and lessens equipment requirements in the hub.

3. Features of DWDM DFB Butterfly analog Laser Diode For CATV Application

Standard ITU Grid wavelengths;

Advanced analog chip design;

Reduced equipment requirements in the Hub;

Wide temperature range.

4. Application of DWDM DFB Butterfly analog Laser Diode For CATV Application

CATV Broadcast networks;

Networks with limited fiber.

5. Absolute Maximum Ratings

Parameter Symbol Condition Min. Max. Unit
Laser forward DC current - 60 seconds - 150 mA
Average RF input power - dBmV - 62 dBmV
PD Reverse voltage VRPD CW - 10 V
LD Reverse voltage VRLD CW - 1 V
ESD - HBM: R=1500Ohm, C=100pF -500 500 V
TEC Current ITEC CW -1.5 1.5 A
Operating temperature TOP Case temperature -40 +85
Storage temperature TSTG Ambient temperature -40 +85

6. Electro-Optical Characteristics(T=25℃) of DWDM DFB Butterfly analog Laser Diode For CATV Application

Parameter Symbol Condition Min. Typ. Max. Unit
Center Wavelength λc ITU Grid - See ITU Grid Channel Numbering - nm
Optical Output Power Pf - 6 - 20 mW
Threshold Current ITH 25℃ - - 20 mA
Operating current Iop - - - 120 mA
Operating voltage VOP 25℃ - - 2.5 V
Side-mode Suppression Ratio SMSR - 30 - - dB
Optical return loss LW ORL 40 - - dB
Optical Isolation ISO 25℃ 30 - - dB
MPD Dark current ID IOP =0mA, VRM=5V - - 0.2 μA
MPD Current relative to output power - VRM=5V 10 - 200 mA/W
TEC Voltage VTEC - -2.5 - 3.8 V
Thermistor resistance RTH 25℃ 9.5 10 10.5 kΩ
Thermistor B-value β 25℃/80℃ - 3950 - K
Carrier-to-Noise ratio CNR - 55 - - dB
Composite second-order CSO - - - -55 dBm
Composite triple beat - - - - -66 dBc

7. ITU Grid Channel Numbering

Channel Wavelength(nm) Channel Wavelength(nm) Channel Wavelength(nm)
64 1526.44 47 1539.77 30 1553.33
63 1527.22 46 1540.56 29 1554.13
62 1527.99 45 1541.35 28 1554.94
61 1528.77 44 1542.14 27 1555.75
60 1529.55 43 1542.94 26 1556.56
59 1530.33 42 1543.73 25 1557.36
58 1531.12 41 1544.53 24 1557.17
57 1531.90 40 1545.32 23 1558.98
56 1532.68 39 1546.12 22 1559.79
55 1533.47 38 1546.92 21 1560.61
54 1534.25 37 1547.72 20 1561.42
53 1535.04 36 1548.51 19 1562.23
52 1535.82 35 1549.32 18 1563.05
51 1536.61 34 1550.12 - -
50 1537.40 33 1550.92 - -
49 1538.19 32 1551.72 - -
48 1538.98 31 1552.52 - -

8. Package drawing&PIN-OUT Definition(Unit:mm) of DWDM DFB Butterfly analog Laser Diode For CATV Application

9. Deliver,Shipping And Serving of DWDM DFB Butterfly analog Laser Diode For CATV Application

All products have been tested before shipping out;

All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)

We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);

If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;

If the items are defective, please notify us within 3 days of delivery;

Any items must be returned in their original condition to qualify for a refund or replacement;

The buyer is responsible for all the shipping cost incurred.

10. FAQ

Q: what is the applications and wavelength accuracy?

A: Box optronics can provide many wavelengths corresponding to a variety of gas detection applications.

Q: What is the optical connector you requirement?

A: Box optronics can customize the optical connector according the requirement for free.

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