A digital MDLL using switched biasing technique to reduce low-frequency phase noise

Autor: Shen-Iuan Liu, Chang-Cheng Huang, Ting-Kuei Kuan, Chi-Huan Chiang
Rok vydání: 2016
Předmět:
Zdroj: A-SSCC
DOI: 10.1109/asscc.2016.7844145
Popis: A digital multiplying delay-locked loop (DMDLL) is presented to reduce the low-frequency phase noise and lower the power. The main divider is also turned off to reduce the power. The digitally-controlled oscillator uses the switched biasing technique to reduce the low-frequency phase noise. This DMDLL is fabricated in 40-nm CMOS technology and its active area is 0.0088 mm2. The output frequency of the DMDLL ranges from 100 to 1050MHz for a supply voltage of 1.1V. The integrated RMS jitter is 2.68ps and the power consumption is 1.51mW at the output frequency of 1050MHz.
Databáze: OpenAIRE