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A 65 nm CMOS 20 Gb/s transmitter with a low-voltage differential signalling (LVDS) driver is presented. A novel power-efficient pre-emphasis method that eliminates power wasting in conventional pre-emphasis is proposed. The input to the driver is pre-coded so that the pre-emphasis taps only inject current to the output nodes upon voltage level transition of the output signal. Current does not flow...
A 2.56 GHz injection-locked phase-locked loop (ILPLL) cascaded with a delay-locked loop (DLL) for minimising phase noise is presented. Generally, an ILPLL includes an injection-locked voltage-controlled oscillator (ILVCO), which is directly injected with the reference clock phase. However, the proposed scheme connects the output multi-phased clocks of the DLL to the injection node and they can be...
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