Design of Low Power CMOS Crystal Oscillator with Tuning Capacitors.

Shun Yao Hengfang Zhu Xiaobo Wu Design of Low Power CMOS Crystal Oscillator with Tuning Capacitors. 40-44 2007 14 Engineering Letters 1 http://www.engineeringletters.com/issues_v14/issue_1/EL_14_1_8.pdf db/journals/engl/engl14.html#YaoZW07