A. Emami-Neyestanak, A. Varzaghani, J. Bulzacchelli, A. Rylyakov, C. Yang, D. Friedman
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A Low-Power Receiver with Switched-Capacitor Summation DFE
A low power receiver with a one tap DFE was fabricated in 90nm CMOS technology. The speculative equalization is performed using switched-capacitor-based addition directly at the front-end sample-hold circuit. In order to further reduce the power consumption, an analog multiplexer is used in the speculation technique implementation. A quarter-rate-clocking scheme facilitates the use of low-power front-end circuitry and CMOS clock buffers. At 10Gb/s data rate, the receiver consumes less than 6.0mW from a 1.0V supply