Modulator Drives 100 Gb/s Systems

Nov. 19, 2009
The model FO-MDA-20-25DD-1 dual-channel DQPSK modulator driver from Narda, an L-3 Communications company, is suitable for 40- and 100-Gb/s lightwave communications systems. It has been tested at data rates as high as 113 Gb/s. It is designed for use with ...

The model FO-MDA-20-25DD-1 dual-channel DQPSK modulator driver from Narda, an L-3 Communications company, is suitable for 40- and 100-Gb/s lightwave communications systems. It has been tested at data rates as high as 113 Gb/s. It is designed for use with a Sierra Monolithics SMI 4025 DQPSK multiplexer/clock multiplier unit on the input and an Avanex Mach-Zehnder lithium-niobate MZ DQPSK modulator at its output, although additional models are available for use with other modulators. The FO-MDA-20-25DD-1 has a maximum data rate of 35 Gb/s, 30 dB of gain per channel, and output of more than 8 Vpp. It is housed in a package measuring 36 x 28 x 8 mm with GPPO connectors.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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