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Analog Circuit Blocks for 80-GHz Bandwidth Frequency-Interleaved, Linear, Large-Swing Front-Ends | IEEE Journals & Magazine | IEEE Xplore

Analog Circuit Blocks for 80-GHz Bandwidth Frequency-Interleaved, Linear, Large-Swing Front-Ends


Abstract:

Critical analog electronic circuits for a possible 80-GHz bandwidth, frequency-interleaved, PAM-4 or discrete-multitone (DMT) linear fiber-optic front-end are implemented...Show More

Abstract:

Critical analog electronic circuits for a possible 80-GHz bandwidth, frequency-interleaved, PAM-4 or discrete-multitone (DMT) linear fiber-optic front-end are implemented in a 90-nm SiGe BiCMOS technology. These include a novel vertically coupled, 40-100-GHz bandpass filter, an 80-GHz bandwidth distributed optical modulator driver with a measured output compression point of 13 dBm per side, corresponding to 7 Vpp output differential swing, and a 125-GHz bandwidth PIN-diode SPST switch with a OP1-dB of 23 dBm, and over 22 dB of isolation up to 160 GHz. The linear modulator driver can also be used as a high linearity (IP1-dB = 5 dBm per side) receiver amplifier in next-generation instrumentation systems.
Published in: IEEE Journal of Solid-State Circuits ( Volume: 51, Issue: 9, September 2016)
Page(s): 1985 - 1993
Date of Publication: 08 August 2016

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