Modem bias point controller
The bias controller is a device used to ensure that the modem operates in a stable manner in various operating environments. The controller injects low-frequency, low-intensity dithering signals into the modem with a bias voltage; reads constantly the output from the modem; determines the error in the modem ' s current and target state; is then based on the measurement results; imposes a compensatory bias on the transducer ' s Bias tube foot; and ensures that the modem works under the appropriat
Specification Snapshot
Power supply
min: 500; typ: 1000; max: 2000
Enter light wavelength
min: 800; typ: 1550; max: 1700
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Overview
The bias controller is a device used to ensure that the modem operates in a stable manner in various operating environments. The controller injects low-frequency, low-intensity dithering signals into the modem with a bias voltage; reads constantly the output from the modem; determines the error in the modem ' s current and target state; is then based on the measurement results; imposes a compensatory bias on the transducer ' s Bias tube foot; and ensures that the modem works under the appropriate bias voltage. The controller is based on its fully digitized signal processing method; it provides ultra-stabilized performance; it is compact; it is fast and accurate to lock; and it is suitable for modern communication systems. Automatically fast locks on the double oscillation IQ modem to the modem supported by the offset voltage format; SSB, QPSK, QAM, OFDM I/Q; stabilizes to Null point, Peak point, ±Quad point; of which Null point wave suppresses to a maximum of 50dB P; stabilizes to Null point, Peak point, ± Quad point; of which ±Quad point accuracy < ±1° bias tracking and locking time < 3s small size; 41mm x 50 mm
Specifications
| Parameter | Value |
|---|---|
| Lightning ratio | typ: MER1; max: 50dB |
| Set Time | min: 03; typ: 25; max: 3 |
| Output positive voltage | min: 9.76; typ: 10; max: 10.02 |
| Output positive current | min: 05; typ: 1.25; max: s |
| Output negative voltage | min: -1002; typ: -10; max: 4.76 |
| Output negative current | min: 05; typ: 1.25; max: 5 |
| Channel range | typ: 0.375%V |
| Electricity voltage | min: 45; typ: s; max: 5.5 |
| Power supply | min: 500; typ: 1000; max: 2000 |
| Enter light power | min: -35; typ: -15 |
| Enter light wavelength | min: 800; typ: 1550; max: 1700 |
Datasheet
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Supplier Information
Wuhan OVLink Interconnection Technology Co., Ltd. (abbreviated as "OVLink") is located in Future Science City, East Lake National Independent Innovation Demonstration Zone, Wuhan, China. With a registered capital of 10 million RMB, it was founded in 2013 by a technical team from Huazhong University of Science and Technology. The company is an enterprise of Optics Valley "3551 Talents", a gazelle enterprise, a specialized and innovative enterprise in Hubei Province, and a national high-tech enterprise. Through continuous technological innovation, the company provides cost-effective test instruments and services for optical communication and optical sensing users. Its products cover high-speed optical module testing, high-speed coherent optical communication, fiber grating processing and testing, semiconductor laser control and light sources, distributed optical fiber sensing components and systems, etc. It not only provides cost-effective test instruments, but also provides module-level and system-level customized development services.
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