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偏壓控制器 Ultra High Precision MZM bias controller on Q point
    發(fā)布時(shí)間: 2016-06-20 23:23    

PlugTech Precision Systems’ modulator bias controller is specially designed for Mach-Zehnder modulators to ensure stable operations in various operating environments. Based on its fully digitized signal processing method, the controller can provide ultra stable performance.

偏壓控制器 Ultra High Precision MZM bias controller on Q point
Description
PlugTech Precision Systems’ modulator bias controller is specially designed for Mach-Zehnder modulators to ensure stable operations in various operating environments. Based on its fully digitized signal processing method, the controller can provide ultra stable performance.
The controller injects a low frequency, low amplitude dither signal together with a bias voltage into the modulator. It keeps reading the output from the modulator and determines the condition of the bias voltage and the related error. A compensate bias voltage will be applied afterwards according to the previous measurements. In this way, the modulator is ensured to work under a proper bias voltage.
The controller is very compact in volume, and is suitable for modern communication systems. 

Features
  • MZM bias control on Q+ and Q- modes
  • Typical Second Order Distortion: -60dB
  • Low dither amplitude: 2% Vπ
  • High stability: with fully digital implementation
  • Easy to use:
    Manual operation with mini jumper
    Flexible OEM operations through UART

Application 
  • LiNbO3 and other IQ modulations
  • Digital NRZ, RZ
  • CATV Transmitter
  • Analog Link, RoF transmitter

Specification