A 0.5-5-GHz wide-range multiphase DLL with a calibrated charge pump

作者：Chuang Chi Nan^*; Liu Shen Iuan

来源：IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, 2007, 54(11): 939-943.

DOI：10.1109/TCSII.2007.904155

• calibration
• charge pump
• delay-locked loop
• multiperiod-locked technique

A 0.5-5 GHz wide-range multiphase delay-locked loop (MDLL) with a calibrated charge pump is presented. A multiperiod-locked technique is used to enhance the input frequency range of a MDLL and avoid the harmonic-locked problem. The charge pump current is also calibrated to reduce the static phase error. This MDLL has been fabricated in 0.13-mu m CMOS process. The measured root-mean-square and peak-to-peak jitters are 1.06 and 8 ps at 5 GHz, respectively. The power dissipation at 5 GHz is 36 mW for a supply voltage of 1.2 V.

• 出版日期2007-11
• 单位中国科学院电工研究所