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Modulator Driver Pushes 100 Gb/s

March 24, 2010

Model TGA4943-SL is a three-stage optical modulator driver from TriQuint Semiconductor that supports 40- and 100-Gb/s systems. With a single-ended input and output and low additive RMS jitter of only 40 fs, this driver features 32 dB gain at 20 GHz. It can transform a 0.4-V peak-to-peak input signal to an 8-V peak-to-peak output signal. It features rise and fall times of better than 12 ps and low power dissipation of 1.7 W at +6 VDC when producing an 8-V peak-to-peak output signal. The driver amplifier is supplied in a surface-mount-technology (SMT) package measuring 14.4 x 7 x 2 mm. According to TriQuint Vice President Brian P. Balut, "TriQuint surface-mount modulator drivers have proven themselves in the market. Since entering the modulator driver market we have shipped nearly 500,000 SMTs; our new 40G and 100G products are designed for the move to higher-speed networks."

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.