WXG45231R Series 25GHz Balanced Photodetection Receiver Module

Product Description：The WXG45235R is a high-speed, high-sensitivity balanced-detector photoreceiver module with a monolithic InGaAs balanced-detector chip and integrated internal bias circuitry for a wide range of digital signal applications.

Tags：BPD 25Ghz high-speed high-sensitivity InGaAs

Applications： RF over Fiber (ROF)

Model：WXG45231R

WXG45231R Series 25GHz Balanced Photodetection Receiver Module

Product Features

InGaAs PD Chip Monolithic Integration
Integrated Internal Bias Circuit
DC Coupling
Hermetically Sealed Package, 1.85mm 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	0.8	0.85	—	A/W
3dB Bandwidth f3dB	25	—	—	GHz
Common mode rejection ratio CMRR	20	25	—	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
	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-
4	GND

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