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A 0.18-μm SiGe BiCMOS receiver and transmitter chipset for SONET OC-768 transmission systems

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5 Author(s)
Meghelli, M. ; IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA ; Rylyakov, A.V. ; Zier, S.J. ; Sorna, M.
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A 43-Gb/s receiver (Rx) and transmitter (Tx) chip set for SONET OC-768 transmission systems is reported. Both ICs are implemented in a 0.18-μm SiGe BiCMOS technology featuring 120-GHz fT and 100 GHz fmax. The Rx includes a limiting amplifier, a half-rate clock and data recovery unit, a 1:4 demultiplexer, a frequency acquisition aid, and a frequency lock detector. Input sensitivity for a bit-error rate less than 10-9 is 40 mV and jitter generation better than 230 fs rms. The IC dissipates 2.4 W from a -3.6-V supply voltage. The Tx integrates a half-rate clock multiplier unit with a 4:1 multiplexer. Measured clock jitter generation is better than 170 fs rms. The IC consumes 2.3 W from a -3.6-V supply voltage.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:38 ,  Issue: 12 )