TEC CWDM BOSA with big power
- The transmitter adopts miniature low-power TEC refrigeration and constant temperature control, with a temperature control accuracy of 0.1°C and stable performance
- 1450/1470/1490/1510/1590/1610nm DFB-LD with cooler direct modulation transmission
- Built-in optical isolator at transmitter
- High responsiveness at the receiving end, low dark current, low noise
- High out-of-band wavelength isolation
- Stable product, good consistency
- Single fiber two-way communication, system transmission capacity doubled
Application
- WDM systems
- FTTH(Fiber to home),Communications systems.
- 1550nm downlink reception, 1450/1470/1490/1510/1590/1610nm uplink transmission of single-fiber bidirectional transmission, widely used in fiber optic network upgrades, capacity expansion, and the introduction of new services.
Product Standards
- Match the GR-468 reliability test standard
- Match the ROHS standard
- Match the MIL-STD-883E Method 3015.7 related standards for packaging and testing
- Meet the general requirements of GR-326 single-mode optical connectors and jumpers
Absolute Maximum ratings
| Parameter | Symbol | Ratings | Unit | Note |
| ReverseVoltage（LD） | Vr(LD) | 2 | V | CW |
| Forwardcurrent（LD） | If(LD) | 120 | mA | CW |
| Reversevoltage（MPD） | Vr(PD) | 15 | V | CW |
| Forwardcurrent（MPD） | If(PD) | 2 | mA | CW |
| Storagetemperature | Tstg | -40~+85 | ℃ | |
| Operatingtemperature | Top | -5~+70 | ℃ | |
| LeadSolderingTemperature/Time | Ts | 260/10 | ℃/s | |
| FiberYieldStrength | － | 1 | kgf | |
| FiberBendRadius | － | 60 | mm |
Transmitter[Tx]OpticalAndElectricalCharacteristics(Tc=25℃，CW)
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| ThresholdCurrent | Ith | 4.5 | － | 12 | mA | CW |
| － | － | 50 | CW,Tc=85℃ | |||
| OperatingVoltage | Vf | － | 1.2 | 1.5 | V | |
| OpticalOutputPower | Pf | 2 | － | － | mW | CW,If=Ith+20mA |
| CenterWavelength | λc | 1445 1465 1485 1505 1585 1605 | 1450 1470 1490 1510 1590 1610 | 1455 1475 1495 1515 1595 1615 | nm | CW,Po=Pf |
| Rise/FallTime(20-80%) | Tr/Tf | － | － | 0.2 | ns | If=Ith,Po=Pf,50Ohm |
| MonitorCurrent | Im | 100 | － | 800 | uA | CW,Po=Pf |
| Capacitance | C | － | 10 | 15 | pF | VRD=5V,f=1MHz |
| -3dBBandwidth | BW | 1.25 | － | － | GHz | RL=50Ω，VRD=5V |
| DarkCurrent | Id | － | － | 100 | nA | VRD=5V |
| SpectralWidth(-20dB) | Δλ | － | 0.32 | － | nm | CW,If=Ith+20mA |
| SlopeEfficiency | SE | 0.1 | － | － | W/A | CW,If=Ith+20mA |
| TrackingError | TE | -1.5 | － | +1.5 | dB | CW,Im=Constant&If=Ith+20mA |
| Side Mode Suppression Ratio | SMSR | 30 | 40 | － | dB | CW,If=Ith+20mA |
| Optical Isoation | Iso | 30 | － | － | dB | |
| CSO | CSO | － | － | -55 | dBc | λ=1450/1470/1510/1610 nm,(1*) |
| CTB | CTB | － | － | -60 | dBc | λ=1450/1470/1510/1610 nm,(1*) |
| TEC | Qmax | － | － | 0.6 | W | |
| Imax | － | － | 0.9 | A | ||
| Vmax | － | － | 1.2 | VΩ | ||
| T | 40 | － | － | K | ||
| Thermistor Resistance | Rth | － | 10 | － | K | |
| Relative Intensity Noise | Rth | － | － | -145 | dB/Hz |
Note：(1*)P=2dBm，OMI=40%，Rload=50Ω,Vr=12V,Rx=1450/1470/1490/1510/1590/1610nm,IMD2:f1=450.25MHz，f2=400MHz，f1+f2=850.25MHz,f1-f2=50.25MHz;IMD3:2f1-f2=500.5MHz
Receiver[Rx]OpticalAndElectricalCharacteristics(Tc=25℃)
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Detectionrange | λ | 1535 | 1550 | 1565 | nm | |
| Responsivity | R | 0.8 | 0.85 | — | A/W | Vr=5V，λ=1550nm,T=25℃ |
| Darkcurrent | Id | － | － | 1.0 | nA | Vr=5V |
| Bandwidth(-3dB) | BW | 1.5 | — | — | GHz | 50Ωmatching |
| Saturationpower | P | 3 | — | 3 | dBm | |
| Isolation | Iso | 15 | — | — | dB | λ=1577nm |
| Capacitance | C | － | 0.6 | 1.0 | pF | Vr=5V |
| RiseandFalltime | Tr/Tf | － | 0.1 | － | ns | RL=50Ω |
| CSO | CSO | － | － |