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.
Features
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
Applications
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
Parameter | Units | Min. | Typ. | Max. | Test Conditions |
Optical Wavelength | nm | 1100 | - | 1650 |
|
Frequency Range | MHz | 5 | - | 300 |
|
Responsivity | V/W | 750 | - | - | λ = 1310 nm, SC/APC or FC/APC |
Optical Input Return Loss | dB | - | 45 | - | |
Equivalent Noise Input | pA/√Hz | - | 4 | - | 5 - 300 MHz |
Spectral Sensitivity | A/W | 0.85 0.90 | - | - | λ = 1310 ± 20 nm λ = 1550 ± 20 nm |
RF Output Level | dBmV | - | 42 | - | 0 dBm Optical Input |
Flatness | dB | - | - | ±0.25 | 5 - 300 MHz |
Output Return Loss | dB | - | 16 | - | 5 - 300 MHz |
Amplifier Bias Current (DC) | mA | - | 95 | 115 | + 5 V |
Photo Diode Bias Current (DC) | mA |
| 10 |
| + 24 V |
Length of Optical Fiber | mm |
| 1000 |
| Fiber: SM Type; 9/125 µm |
Handling Procedures
Please observe the following precautions to avoid damage:
Fiberglass optical coupling
Maximum tensile strength = 5 N. Minimum bending radius = 35 mm.
Static Sensitivity
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
Parameter | Unit | Rating |
Optical Input Power (Continues) | mW | 5 |
DC Supply Over-Voltage (5 minutes) | V | 6.5 (Amp), 30 (PD) |
Storage Temperature | °C | - 40 to +100 |
Operating Mounting Base Temperature | °C | - 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)
Pinning:
PIN | Description |
1 | Monitor Current |
2 | Common |
3 | Common |
4 | +VB of the amplifier |
5 | +VB of the photo diode |
7 | Common |
8 | Common |
9 | Output |
Simplified Outline
Type | Simplified Outline |
SQOB3042R with SC/APC connector |
|
SQOB3042R with FC/APC connector |
|
Description | Part Number |
SQOB3042R Optical Receiver Block, with SC/APC Connector | 9945000011 |
SQOB3042R Optical Receiver Block, with FC/APC Connector | 9945000012 |
苏公网安备32050902102581号