【1】V Y Teplov，A V A Thermostatting System Using a Single-Chip Microcomputer and Thermoelectric Modules Based on the Peltier Effect[J] ，2002 【2】 Yeager BHow to troubleshoot your electronic scale[J] Powder and Bulk E 1995 【3】Meehan Joanne，Muir LSCM in Merseyside SMEs:Benefits and barriers[J] TQM J 2008 [1] Behzad RDesign of Analog CMOS Integrated Circuits[M] 2001 [2] Rhee WDesign of high-performance CMOS charge pumps inphase-locked IEEE International Symposium on Cir-cuits and S 1999 [3] Todd Charles WLow-phase-noise，low-timing-jitter design techniques for delay cell based VCOs and frequency synthesizers[C]//PHD 1998 [4] George Lee，Karina Ng，Edmond KDesign of ring oscillator based voltage controlled Project Final Report[R] 2005 [5] T C Weigandt，B Kim，and P R GAnalysis of Timing Jitter in CMOS Ring O IEEE International Symposium on Circuits and S 1994
