WXG45231R Series 10GHz Balanced Photodetection Receiver Module
Product Description：The GD45231R is a high-speed, high-sensitivity balanced-detector photodetector module that uses a single InGaAs balanced-detector chip with integrated internal bias circuitry for a wide range of digital signal applications.
Tags：BPD 10Ghz high-speed InGaAs
Applications： RF over Fiber (ROF)
Model：WXG45231R
Product Features
- InGaAs PD Chip Monolithic Integration
- Integrated Internal Bias Circuit
- DC Coupling
- Hermetically Sealed Package, SMA Connector Outputs
Applications
- DPSK/ DQPSK Optical Communication Systems
- Doppler Lidar Measurement
- High Speed Test Measurement
- Coherent Optical Systems
Main performance index (Ta=22±3℃)
| Parameter name | Min | Typical | Max | Unit |
| Operating wavelength range λ | 1000 | — | 1650 | nm |
| Response Re | 0.9 | 0.94 | — | A/W |
| 3dB Bandwidth f3dB | 10 | — | — | GHz |
| Common mode rejection ratio CMRR | 20 | 30 | — | dB |
| Saturated input optical power [1]PS | 10 | — | — | dBm |
| Optical Return Loss LO | 25 | — | — | dB |
| PD dark current ID | — | — | 20 | nA |
Note [1]: Saturation input optical power is detector chip saturation optical power;
Note: Test conditions VPD+=5V, VPD-=-5V, VCC=3.3V, λ=1.55μm.
Absolute Maximum Ratings
| Parameter name | Rating | Unit | |
| Storage temperature range Tstg | -45 ~ +85 | ℃ | |
| Operating Temperature Range Tc | -40 ~ +70 | ℃ | |
| PD Bias Voltage | VPD+ | 9 | V |
| VPD- | -9 | ||
| Balanced input optical power Pin_B | 10 | mW | |
| welding temperature Tp | 260（10s） | ℃ | |
| Electrostatic ESD | ≥250 | V | |
| Minimum Bend Rfiber | 20 | mm | |
Typical characteristic curve
Fig. 1 Positive frequency response curve of the detector Fig. 2 Negative frequency response curve of the detector
Package Outline, Dimensions and Pin Definition (Unit: mm)
Lead Definition
| Lead-in number | Function |
| 1 | GND |
| 2 | VPD+ |
| 3 | VPD- |
Precautions
- The device should be grounded before turning on the power, and the light source should be removed before disconnecting the power when the device is not workin