Title :
A negative feedback based substrate coupling noise reduction method
Author :
Liu, Tingyang ; Carothers, Jo Dale ; Holman, W. Timothy
Author_Institution :
Dept. of Electr. & Comput. Eng., Arizona Univ., Tucson, AZ, USA
Abstract :
An innovate negative feedback based active noise reduction method for mixed-signal design is presented in this paper. This negative feedback technique can substantially reduce the substrate coupling noise to 17% of the original noise level. A negative feedback loop is formed by sampling the noise and re-injecting it into the substrate with reversed phase. Test results from a MOSIS 1.2 μm CMOS process chip and SPICE simulations are reported
Keywords :
CMOS integrated circuits; SPICE; circuit simulation; integrated circuit design; integrated circuit noise; mixed analogue-digital integrated circuits; 1.2 micron; CMOS process chip; MOSIS; SPICE simulations; active noise reduction; coupling noise reduction method; mixed-signal design; reversed phase; substrate coupling noise; Active noise reduction; CMOS process; Design methodology; Negative feedback; Negative feedback loops; Noise level; Noise reduction; Phase noise; Sampling methods; Testing;
Conference_Titel :
ASIC/SOC Conference, 1999. Proceedings. Twelfth Annual IEEE International
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-5632-2
DOI :
10.1109/ASIC.1999.806472
