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Pharad Debuts its Ultra-Compact Dither Free Modulator Bias Controller at OFC/NFOEC 2012
Pharad debuted the latest version of its dither-free modulator bias controller circuit board at the recent OFC/NFOEC Exhibition held in Los Angeles, CA.
The Pharad MBC-DF-UC board is continuously tunable via either Ethernet or RS-232 computer control; users can select any desired modulator bias voltage in addition to the more conventional quadrature operating point of the modulator’s transfer characteristic. The controller operates in conjunction with on-board inline optical power monitors that eliminate the need for user supplied external optical couplers or photodetectors;
Pharad’s range of bias controllers can operate with modulators having both periodic and non-periodic transfer functions. Customers are using the OEM boards for stable control of lithium niobate as well as gallium arsenide modulators, and operation with other modulator material technologies is currently being evaluated.
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Located in Glen Burnie, Maryland, Pharad, LLC is a customer focused company and technology leader in the development and manufacture of highly efficient, electrically small antennas and RF over fiber systems for communications and defense applications. Pharad creates innovative solutions for realizing difficult-to-