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This paper presents a 1 V 1.25 GS/s current-steering CMOS D/A converter (DAC) for MB-OFDM UWB transceivers fabricated in TSMC 0.13 ??m CMOS technology. To meet the demand of high speed and low power consumption, the DAC dissipates only 8 mW. The measured INL/DNL is better than +/-0.05/0.06 LSB. An SFDR of 47.7 dB and an ENOB of 5.73 are measured with a full-scale input signal of 250 MHz. The 2 active...
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