The SQOB3042R is a high dynamic range optical reverse receiver block with amplifier circuits. It has a single-mode optical input suitable for 1100 to 1650 nm wavelengths, a terminal to monitor the photo diode current and an electrical output having a characteristic impedance of 75 Ω.
The device is ideally suited for use in CATV return path applications, including DOCSIS 3.1 systems where low distortions and low noise figure are required.
The device package is complied with standard SOT-115 where the non-jacketed fiber has an SC/APC or FC/APC connector.
l 42dBmV Output Level @ 0dBm Optical Input
l +5 V Amp Bias, +24 V PD Bias
l Wide Bandwidth for DOCSIS 3.1
l Extremely Low noise
l Excellent flatness
l Standard CATV outline
l Rugged construction
l Gold metallization ensures excellent reliability
l High optical input power range
l Cable TV optical transmission systems operating in the 5 to 300 MHz reverse path.
Specifications: T = +25 °C, Vamp = +5 V, VPD = +24 V, Z = 75 Ω
λ = 1310 nm, SC/APC or FC/APC
Optical Input Return Loss
Equivalent Noise Input
5 - 300 MHz
λ = 1310 ± 20 nm
λ = 1550 ± 20 nm
RF Output Level
0 dBm Optical Input
5 - 300 MHz
Output Return Loss
5 - 300 MHz
Amplifier Bias Current (DC)
+ 5 V
Photo Diode Bias Current (DC)
+ 24 V
Length of Optical Fiber
Fiber: SM Type; 9/125 µm
Please observe the following precautions to avoid damage:
Fiberglass optical coupling
Maximum tensile strength = 5 N. Minimum bending radius = 35 mm.
Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices.
Absolute Maximum Ratings
Optical Input Power (Continues)
DC Supply Over-Voltage (5 minutes)
6.5 (Amp), 30 (PD)
- 40 to +100
Operating Mounting Base Temperature
- 30 to +85
Caution! ESD sensitive device. RoHS
Alarm: Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied.
Package Drawing (Dimensions in millimeters)
+VB of the amplifier
+VB of the photo diode
SQOB3042R with SC/APC connector
SQOB3042R with FC/APC connector
SQOB3042R Optical Receiver Block, with SC/APC Connector
SQOB3042R Optical Receiver Block, with FC/APC Connector
Shanghai Qianjin Electronic equipment Co., LTD was founded in 1991. It is a scale and specialized CATV equipment manufacturer with research, development and production. Our company has been identified as high-tech enterprises, strict compliance with international standards and pass GB / T 9001 quality management system certification.
Our good reputation and perfect product service system has won praise from customers. Products are sold to Europe, America, Asia and other countries and regions, as OEM / ODM supplier.
Address: 4/F,Budliding No.2,401 Caobao Road Shanghai China